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	<front>
		<journal-meta>
			<journal-id journal-id-type="publisher-id">EGEOL</journal-id>
			<journal-title-group>
				<journal-title>Estudios Geol&#xf3;gicos</journal-title>
				<abbrev-journal-title abbrev-type="publisher">Estud. geol.</abbrev-journal-title>
			</journal-title-group>
			<issn publication-format="print">0367-0449</issn>
			<issn publication-format="electronic">1988-3250</issn>
			<publisher>
				<publisher-name>Consejo Superior de Investigaciones Cient&#xed;ficas</publisher-name>
			</publisher>
		</journal-meta>
		<article-meta>
			<article-id pub-id-type="publisher-id">egeol.45038.1054</article-id>
			<article-id pub-id-type="doi">10.3989/egeol.45038.1054</article-id>
			<article-categories>
				<subj-group subj-group-type="heading">
					<subject>Art&#xed;culos</subject>
				</subj-group>
			</article-categories>
			<title-group>
				<article-title>Min&#xe9;ralisation du district aurif&#xe8;re d&#x2019;In Ate&#xef; (Hoggar central, Sud Alg&#xe9;rien)</article-title>
				<trans-title-group xml:lang="en">
					<trans-title>Mineralization of the In Ate&#xef; gold district (Central Hoggar, South Algeria)</trans-title>
				</trans-title-group>
			</title-group>
			<contrib-group>
				<contrib contrib-type="author" corresp="yes">
					<contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6960-5855</contrib-id>
					<name>
						<surname>Boutrika</surname>
						<given-names>Rabah</given-names>
					</name>
					<email xlink:href="boutrika.rabah@yahoo.fr">boutrika.rabah@yahoo.fr</email>
					<aff id="aff1"><institution content-type="laboratory">Laboratoire de M&#xe9;tallog&#xe9;nie</institution>, <institution content-type="department">D&#xe9;partement de G&#xe9;ologie</institution>, <institution content-type="faculty">Facult&#xe9; des Sciences de la Terre</institution>, <institution content-type="university">Universit&#xe9; des Sciences et Technologies Houari Boumediene (USTHB)</institution>, <addr-line>BP 32, Bab-Ezzouar 16111, Alger</addr-line>, <country>Alg&#xe9;rie</country>.</aff>
				</contrib>
			</contrib-group>
			<pub-date pub-type="epub">
				<day>01</day>
				<month>12</month>
				<year>2023</year>
			</pub-date>
			<pub-date pub-type="collection">
				<month>12</month>
				<year>2023</year>
			</pub-date>
			<volume>79</volume>
			<issue>2</issue>
			<elocation-id>e158</elocation-id>
			<history>
				<date date-type="received">
					<day>22</day>
					<month>04</month>
					<year>2023</year>
				</date>
				<date date-type="accepted">
					<day>28</day>
					<month>07</month>
					<year>2023</year>
				</date>
				<date date-type="pub">
					<day>26</day>
					<month>10</month>
					<year>2023</year>
				</date>
			</history>
			<permissions>
				<copyright-statement>&#xa9; 2023 CSIC</copyright-statement>
				<copyright-year>2023</copyright-year>
				<license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by-nc/4.0/">
					<license-p>Este es un art&#xed;culo de acceso abierto distribuido bajo los t&#xe9;rminos de la licencia de uso y distribuci&#xf3;n Creative Commons Reconocimiento 4.0 Internacional (CC BY 4.0).</license-p>
				</license>
			</permissions>
			<self-uri xlink:href="http://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/XXXX/XXXX"/>
			<abstract>
				<title>R&#xe9;sum&#xe9;</title>
				<p>Le district aurif&#xe8;re d&#x2019;In Ate&#xef; est situ&#xe9; dans la partie orientale du terrane du Laouni &#x201c;LATEA&#x201d; (acronyme de <bold>L</bold>aouni, <bold>A</bold>zrou-n-Fad, <bold>T</bold>efedeset, <bold>E</bold>g&#xe9;r&#xe9;-<bold>A</bold>leksod) (Hoggar central, sud alg&#xe9;rien). En fait, durant la p&#xe9;riode post-collisionnelle de l&#x2019;orogen&#xe8;se panafricaine (600 et 570 Ma), ce microcontinent fut en partie d&#xe9;stabilis&#xe9; jusqu&#x2019;&#xe0; correspondre &#xe0; un m&#xe9;ta-craton.</p>
				<p>Le gisement d&#x2019;or d&#x2019;In Abeggui fait partie du district d&#x2019;In Ate&#xef; et est situ&#xe9; &#xe0; 210 km, au sud-est de la ville de Tamanrasset. Il est situ&#xe9; dans un important massif de gabbro-diorite de la s&#xe9;rie volcano-s&#xe9;dimentaire du N&#xe9;o-prot&#xe9;rozo&#xef;que.</p>
				<p>Le gisement d&#x2019;In Abeggui montre deux types morphologiques de filons aurif&#xe8;res et une paragen&#xe8;se min&#xe9;rale diff&#xe9;rente du reste du Hoggar.</p>
				<p>Dans le gisement d&#x2019;In Abeggui un pluton granitique &#xe0; biotite comprenant des corps de gabbro-diorite contemporains est intrusif dans la s&#xe9;rie volcano-s&#xe9;dimentaire du N&#xe9;o-prot&#xe9;rozo&#xef;que. Les veines min&#xe9;ralis&#xe9;es sont principalement encaiss&#xe9;es dans l&#x2019;un de ces corps mafiques. De nombreux dykes de roches mafiques et felsiques recoupent &#xe0; la fois le granite &#xe0; biotite et le massif de gabbro-diorite. Les dykes felsiques comprennent des granites, des microgranites, des aplo-pegmatites roses et des aplites.</p>
				<p>L&#x2019;objectif principale de ce travaille est d&#x2019;&#xe9;tudi&#xe9; les types de min&#xe9;ralisations aurif&#xe8;res exprim&#xe9;es dans le terrane de Laouni (Hoggar central) en nous se basant plus particuli&#xe8;rement sur celles de la r&#xe9;gion d&#x2019;In Ate&#xef;.</p>
				<p>On distingue deux g&#xe9;n&#xe9;rations de quartz aurif&#xe8;res du gisement d&#x2019;In Abeggui: Veines 1: Filons de quartz &#xe0; tourmaline &#xe0; dominante N30&#xb0; encaiss&#xe9; dans le massif de gabbro, et Veines 2: Stockwerk et veinules de quartz, encaiss&#xe9;es dans des dykes d&#x2019;aplites recouvrant le syst&#xe8;me filonien1</p>
			</abstract>
			<trans-abstract xml:lang="en">
				<title>Abstract</title>
				<p>The In Ate&#xef; gold district is located in the eastern part of the Laouni &#x201c;LATEA&#x201d; terrane (acronym of Laouni, Azrou-n-Fad, Tefedeset, Eg&#xe9;r&#xe9;-Aleksod) (central Hoggar, southern Algeria). In fact, during the post-collision period of the Pan-African orogeny (600 and 570 Ma), this microcontinent was partly destabilized until it corresponded to a meta-craton.</p>
				<p>The In Abeggui gold deposit is part of the In Ate&#xef; district and is located 210 km southeast of the town of Tamanrasset. It is located in a large gabbro-diorite massif of the Neoproterozoic volcano-sedimentary series.</p>
				<p>The In Abeggui deposit shows two morphological types of gold veins and a mineral paragenesis different from the rest of the Hoggar.</p>
				<p>In the In Abeggui deposit, a biotite granite pluton comprising contemporary gabbro-diorite bodies is intrusive in the Neoproterozoic volcano-sedimentary series. The mineralized veins are mainly hosted in one of these mafic bodies. Numerous dykes of mafic and felsic rocks cut both the biotite granite and the gabbro-diorite massif. Felsic dikes include granites, microgranites, pink aplo-pegmatites and aplites.</p>
				<p>The main objective of this work is to study the types of gold mineralization expressed in the Laouni terrane (central Hoggar) based more particularly on those of the In Atei region.</p>
				<p>Two generations of gold-bearing quartz from the In Abeggui deposit can be distinguished: Veins 1: Tourmaline quartz veins predominantly N30&#xb0; embedded in the gabbro massif, and Veins 2: Stockwork and quartz veinlets, hosted in aplite dykes covering the vein system1</p>
			</trans-abstract>
			<kwd-group>
				<kwd>In Abeggui</kwd>
				<kwd>Min&#xe9;ralisation aurif&#xe8;re</kwd>
				<kwd>Filons de quartz &#xe0; tourmaline</kwd>
				<kwd>Deux g&#xe9;n&#xe9;rations d&#x2019;or</kwd>
				<kwd>Massif de gabbro</kwd>
				<kwd>Dyke d&#x2019;aplite</kwd>
			</kwd-group>
			<kwd-group xml:lang="en">
				<kwd>In Abeggui</kwd>
				<kwd>Gold mineralization</kwd>
				<kwd>Tourmaline quartz veins</kwd>
				<kwd>Two golden generations</kwd>
				<kwd>Gabbro massif</kwd>
				<kwd>Aplite dyke</kwd>
			</kwd-group>
			<counts>
				<fig-count count="16"/>
				<table-count count="10"/>
				<equation-count count="0"/>
				<ref-count count="24"/>
				<page-count count="23"/>
			</counts>
		</article-meta>
	</front>
	<body>
		<sec id="sec1" sec-type="intro">
			<title>Introduction</title>
			<p>Le Hoggar est le noyau du Bouclier touareg, une ceinture panafricaine qui s&#x2019;est form&#xe9;e entre 750 et 550 Ma par collision continentale entre le craton convergent d&#x2019;Afrique de l&#x2019;Ouest, le craton du Congo et le m&#xe9;tacraton saharien (<xref ref-type="bibr" rid="B14">Caby, 1996</xref>; <xref ref-type="bibr" rid="B20">Li&#xe9;geois et al., 2003</xref>, <xref ref-type="bibr" rid="B21">2013</xref>) (<xref ref-type="fig" rid="f1">Fig. 1</xref>).</p>
			<fig id="f1">
				<label>Figure 1</label>
				<caption>
					<title>Localisation du district aurif&#xe8;re d&#x2019;In Ate&#xef; (Terrane Laouni, Hoggar central).</title>
				</caption>
				<graphic id="gra-1" xlink:href="EGEOL-79-02-e158-gf1.png"/>
				<attrib>(<xref ref-type="bibr" rid="B20">Li&#xe9;geois et al., 2003</xref>)</attrib>
			</fig>
			<p>Le Bouclier touareg est un collage de 23 terranes (<xref ref-type="bibr" rid="B9">Black et al., 1994</xref>; <xref ref-type="bibr" rid="B20">Liegeois et al., 2003</xref>), comprenant des cratons et des micro-cratons remani&#xe9;s &#xe0; cro&#xfb;te arch&#xe9;enne &#xe0; pal&#xe9;o-prot&#xe9;rozo&#xef;que (terranes d&#x2019;In Ouzzal, LATEA et terranes d&#x2019;Assode-Issalane) ainsi que des Terranes N&#xe9;o-prot&#xe9;rozo&#xef;ques, oc&#xe9;aniques (par exemple, terrane de Serrouenout) ou des arcs insulaires (par exemple, terranes d&#x2019;Iskel et d&#x2019;Aouzegueur). &#xc0; la fin de la collision panafricaine (environ 600 Ma), certaines limites de terrane ont &#xe9;volu&#xe9; en m&#xe9;ga zones de cisaillement N-S, avec un d&#xe9;placement lat&#xe9;ral jusqu&#x2019;&#xe0; 1000 km (<xref ref-type="bibr" rid="B17">Henry et al., 2007</xref>).</p>
			<p>Les min&#xe9;ralisations aurif&#xe8;res du Hoggar sont diverses et vari&#xe9;es; seul le type dit &#xab; shear zone &#xbb; a &#xe9;t&#xe9; &#xe9;tudi&#xe9; par <xref ref-type="bibr" rid="B15">Ferkous et al (1995</xref>; <xref ref-type="bibr" rid="B16">2002)</xref>; <xref ref-type="bibr" rid="B23">Marignac et <italic>al</italic> 1996</xref>; <xref ref-type="bibr" rid="B1">A&#xef;ssa et al., 2002</xref>; <xref ref-type="bibr" rid="B2">2005</xref>; <xref ref-type="bibr" rid="B3">2006</xref>; <xref ref-type="bibr" rid="B5">A&#xef;ssa et al., 2017</xref>). Dans ce type classique contr&#xf4;l&#xe9; directement par les grands accidents lithosph&#xe9;riques subm&#xe9;ridiens (2&#xb0;30&#x2019; et 8&#xb0;30&#x2019;) du Hoggar, les paragen&#xe8;ses min&#xe9;rales sont simples et monotones. Les autres types de min&#xe9;ralisations aurif&#xe8;res restent encore peu connus.</p>
			<p>Le gisement d&#x2019;or d&#x2019;In Abeggui fait partie du district d&#x2019;In Ate&#xef; est situ&#xe9; &#xe0; 210 km en ligne droite au sud-est de la ville de Tamanrasset (<xref ref-type="fig" rid="f1">Fig. 1</xref>), qui est situ&#xe9; dans la partie orientale du terrane du Laouni &#x201c;LATEA&#x201d;.</p>
			<p>Ce gisement est encaiss&#xe9; dans un grand massif de gabbro-diorite et montre deux types morphologiques de veines aurif&#xe8;res et une paragen&#xe8;se min&#xe9;rale diff&#xe9;rente (<xref ref-type="bibr" rid="B10">Boutrika, 2006</xref>; <xref ref-type="bibr" rid="B13">2019</xref>; <xref ref-type="bibr" rid="B12">Boutrika et al. 2019</xref>).</p>
			<p>Les roches encaissantes sont affect&#xe9;es par des failles orient&#xe9;es E-O et subm&#xe9;ridiennes, ayant rejou&#xe9; successivement &#xe0; plusieurs reprises. Une fracturation secondaire intense d&#x2019;orientation NE-SO constitue le pi&#xe8;ge favorable pour le d&#xe9;p&#xf4;t des min&#xe9;ralisations &#xe0; quartz, tourmaline, sulfures et or natif.</p>
			<p>La morphologie des filons de quartz &#xe0; tourmaline et sulfures est complexe; ceux-ci constituent essentiellement des filons lenticulaires en relais et se caract&#xe9;risent par des r&#xe9;tr&#xe9;cissements r&#xe9;guliers tous les 80-100 m (<xref ref-type="bibr" rid="B11">Boutrika, et al 2018</xref>).</p>
			<p>Dans les zones d&#x2019;intersection avec les directions m&#xe9;ridiennes, la direction des filons de quartz aurif&#xe8;re subit une r&#xe9;orientation, en formant des renflements de 3 &#xe0; 5 m, tandis que leur puissance moyenne varie entre quelques dizaines de centim&#xe8;tres &#xe0; 1 m.</p>
			<p>Dans les zones tectoniques m&#xe9;ridiennes, certaines parties atteignent une puissance de 30-40 m, les filons sont r&#xe9;partis en relais. Dans certains cas, ils s&#x2019;unissent en formant un seul corps min&#xe9;ralis&#xe9;.</p>
			<p>Les min&#xe9;ralisations aurif&#xe8;res s&#x2019;expriment dans des filons de quartz &#xe0; tourmaline, et dans les zones d&#x2019;alt&#xe9;rations hydrothermales (secteur central) de premi&#xe8;re g&#xe9;n&#xe9;ration. Elles se manifestent le long des fractures de cisaillement orient&#xe9;es pr&#xe9;f&#xe9;rentiellement NNE-SSO. Elles sont surtout concentr&#xe9;es sur la bordure nord du massif de gabbro, l&#xe0;, o&#xf9; la fracturation et les alt&#xe9;rations hydrothermales se r&#xe9;partissent sur une superficie de 2.5 km<sup>2</sup> (<xref ref-type="bibr" rid="B6">Alexandrov, 1972</xref>; <xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>).</p>
			<p>Un autre type de min&#xe9;ralisation aurif&#xe8;re li&#xe9; aux microgranites-aplites est rencontr&#xe9; dans la partie sud du secteur central (secteur interm&#xe9;diaire) repr&#xe9;sent&#xe9;s par des zones de stockwerk et veinules de quartz de deuxi&#xe8;me g&#xe9;n&#xe9;ration r&#xe9;partis en relais de direction NE-SO et de longueur variant de 0.1 &#xe0; 0.6 m, les r&#xe9;sultats d&#x2019;analyse de quelques &#xe9;chantillons des saign&#xe9;es de surface ont donn&#xe9;s des teneurs variant de 0.4 &#xe0; 23.5 g/t avec une teneur moyenne de 8.9 g/t sur 11 m de puissance.</p>
			<p>Ce pr&#xe9;sent travail a pour objectif d&#x2019;&#xe9;tude les types de min&#xe9;ralisations aurif&#xe8;res exprim&#xe9;es dans le terrane de Laouni (Hoggar central) en nous se basant plus particuli&#xe8;rement sur celles de la r&#xe9;gion d&#x2019;In Atei. Le choix de cette r&#xe9;gion est guid&#xe9; par le fait que les min&#xe9;ralisations ne sont pas li&#xe9;es aux grands accidents lithosph&#xe9;riques subm&#xe9;ridiens, et par l&#x2019;existence d&#x2019;une grande vari&#xe9;t&#xe9; de corps min&#xe9;ralis&#xe9;s et des roches encaissantes.</p>
		</sec>
		<sec id="sec2">
			<title>Mat&#xe9;riels et m&#xe9;thodes</title>
			<p>Les mat&#xe9;riels et m&#xe9;thodes utilis&#xe9;s pour atteindre cet objectif reposent sur:</p>
			<list list-type="bullet">
				<list-item>
					<p>Etudes g&#xe9;ologiques et structurales sur le terrain suite aux travaux de terrain r&#xe9;alis&#xe9;s par le groupe de g&#xe9;ologues de l&#x2019;Office National des Mines et de la G&#xe9;ologie d&#x2019;Alg&#xe9;rie (O.R.G.M) (<xref ref-type="bibr" rid="B6">Alexandrov et al., 1972</xref>) et aux deux missions de terrain r&#xe9;alis&#xe9;es au cours des ann&#xe9;es 2008 et 2009.</p>
				</list-item>
				<list-item>
					<p>La composition chimique des min&#xe9;raux a &#xe9;t&#xe9; d&#xe9;termin&#xe9;e &#xe0; l&#x2019;aide du dispositif de microsonde &#xe9;lectronique (EPMA; JEOL Jxa-8530f) install&#xe9; &#xe0; l&#x2019;Universit&#xe9; de Kyushu au Japon. Les conditions analytiques sont r&#xe9;alis&#xe9;es avec une tension d&#x2019;acc&#xe9;l&#xe9;ration de 15 kilovolts et avec un diam&#xe8;tre de sonde de 02 &#xb5;m. Le temps de comptage pour les pics et les points m&#xe9;dians &#xe9;taient de 10 secondes et 5 secondes, respectivement, sauf F (90 s et 45 s) et Cl (30 s et 15 s). Les oxydes et les m&#xe9;taux naturels sont utilis&#xe9;s selon des normes naturelles et utilis&#xe9;s comme normes d&#x2019;&#xe9;talonnage. Les &#xe9;chantillons pr&#xe9;par&#xe9;s sous forme de lames minces polies ont &#xe9;t&#xe9; recouverts d&#x2019;une fine couche de carbone (environ 50 mm) et d&#xe9;pos&#xe9;s par &#xe9;vaporation avec un &#xe9;vaporateur &#xe0; charbon Edwards (type auto 306).</p>
				</list-item>
				<list-item>
					<p>&#xc9;tude des lames polies: Quatorze &#xe9;chantillons (un &#xe9;chantillon de gabbro S27-1, un &#xe9;chantillon de diorite K 2/16, deux &#xe9;chantillons de carbonate (calcite et dolomie), dix &#xe9;chantillons de quartz tourmaline (S27/7-1, S27/ 7-2, S27/7-3, S25/11-1, S25/11-2, S25/13, S25/5-4-1, S25/5-4-2, S25/5-5 et S25/5-6 ont &#xe9;t&#xe9; s&#xe9;lectionn&#xe9;s pour pr&#xe9;parer des lames polies et envoy&#xe9;s au laboratoire de l&#x2019;Universit&#xe9; de Kyushu (Japon) pour d&#xe9;terminer et confirmer les diff&#xe9;rents types de roches et de min&#xe9;raux.</p>
				</list-item>
			</list>
		</sec>
		<sec id="sec3">
			<title>Cadre g&#xe9;ologique</title>
			<p>Le gisement d&#x2019;In Abeggui est situ&#xe9; dans la partie central du district d&#x2019;In Ate&#xef; (Terrane de laouni - Hoggar central). Il est essentiellement compos&#xe9;e par des formations volcano-s&#xe9;dimentaires intens&#xe9;ment m&#xe9;tamorphis&#xe9;es d&#x2019;&#xe2;ge N&#xe9;o-prot&#xe9;rozo&#xef;que (schistes, volcanites, gneiss, granito-gneiss) qui sont recoup&#xe9;es par de nombreux massifs intrusifs (gabbros, gabbro-diorites, diorites, granites), ainsi que les granito&#xef;des et les d&#xe9;p&#xf4;ts actuels (<xref ref-type="fig" rid="f2">Fig. 2</xref>).</p>
			<fig id="f2">
				<label>Figure 2</label>
				<caption>
					<title>Carte g&#xe9;ologique de la zone d&#x2019;In-Abeggui</title>
				</caption>
				<graphic id="gra-2" xlink:href="EGEOL-79-02-e158-gf2.png"/>
				<attrib>(<xref ref-type="bibr" rid="B10">Boutrika, 2006</xref>; <xref ref-type="bibr" rid="B13">2019</xref>; <xref ref-type="bibr" rid="B12">Boutrika et al. 2019</xref>)</attrib>
			</fig>
			<p>Les structures g&#xe9;ologiques du gisement d&#x2019;In-Abeggui sont constitu&#xe9;es par des roches du pal&#xe9;o-prot&#xe9;rozo&#xef;que et du n&#xe9;o-prot&#xe9;rozo&#xef;que ainsi que par des formations de Tassili (Cambro-ordovicien) et du Quaternaire. Les formations les plus anciennes sont les granites du pal&#xe9;o-prot&#xe9;rozo&#xef;que (<xref ref-type="bibr" rid="B6">Alexandrov et al, 1972</xref>; <xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>) (<xref ref-type="fig" rid="f2">Fig. 2</xref>).</p>
			<p>Le gisement d&#x2019;In Abeggui est form&#xe9; de filons de quartz &#xe0; tourmaline encaiss&#xe9;s dans un grand massif de gabbro-diorite qui recoupent un batholite de granite. L&#x2019;ensemble recoupe les formations volcano-s&#xe9;dimentaires du N&#xe9;o-prot&#xe9;roz&#xef;que. Le massif de gabbro-diorites est lui-m&#xea;me recoup&#xe9; par des dykes de microgranite-aplites (<xref ref-type="bibr" rid="B10">Boutrika, 2006</xref>, <xref ref-type="bibr" rid="B13">2019</xref>).</p>
			<p>Une importante faille N-S passe par le centre du gisement d&#x2019;In Abeggui et recoupe en deux le massif de gabbros-diorite. Cette faille, d&#xe9;crochant, aurait rejou&#xe9; &#xe0; plusieurs reprises et repr&#xe9;sente vraisemblablement la structure tectonique principale qui contr&#xf4;le la mise en place des min&#xe9;ralisations du gisement d&#x2019;In Abeggui (<xref ref-type="bibr" rid="B6">Alexandrov et al, 1972</xref>). Ce dernier est repr&#xe9;sent&#xe9; par un syst&#xe8;me de filons de quartz &#xe0; tourmaline d&#x2019;orientation NNE-SSO et NE-SO et des zones d&#x2019;alt&#xe9;rations hydrothermales bien d&#xe9;velopp&#xe9;es (<xref ref-type="bibr" rid="B10">Boutrika, 2006</xref>, <xref ref-type="bibr" rid="B13">2019</xref>).</p>
			<p>De nombreux dykes de roches mafiques et felsiques recoupent le pluton de granite &#xe0; biotite du massif de gabbro-diorite, ainsi que la zone de cisaillement N10&#xba;. Les dykes felsiques sont constitu&#xe9;s de granites et de microgranites &#xe0; grain fin, des pegmatites roses et d&#x2019;aplites.</p>
			<p>Les directions des veines sont coh&#xe9;rentes avec le mod&#xe8;le de contrainte r&#xe9;gional, les directions N10&#xba; et N50&#xba; &#xe9;tant interpr&#xe9;t&#xe9;es comme des cisaillements conjugu&#xe9;s et les directions N30&#xb0; &#xe9;tant interpr&#xe9;t&#xe9;es comme des fentes de tension (<xref ref-type="bibr" rid="B10">Boutrika, 2006</xref>; <xref ref-type="bibr" rid="B13">2019</xref>; <xref ref-type="bibr" rid="B12">Boutrika et al. 2019</xref>).</p>
		</sec>
		<sec id="sec4">
			<title>Gitologie</title>
			<p>Le gisement d&#x2019;In Abeggui est repr&#xe9;sent&#xe9; par un syst&#xe8;me des filons de quartz &#xe0; tourmaline et de zones d&#x2019;alt&#xe9;rations hydrothermales &#xe9;tendu sur une superficie de 2.5 Km&#xb2; environ, et recoupant les formations du N&#xe9;o-prot&#xe9;rozo&#xef;que, encaiss&#xe9;s dans un massif gabbro&#xef;que, lui-m&#xea;me cern&#xe9; par une formation volcano-s&#xe9;dimentaire du Prot&#xe9;rozo&#xef;que sup&#xe9;rieur. Ce massif de gabbro pr&#xe9;sente une certaine zonalit&#xe9;: la partie centrale est un gabbro &#xe0; olivine, tandis que la p&#xe9;riph&#xe9;rie est un gabbro-diorite. De nombreux dykes de composition diverse (aplites, microgranites, diabases) recoupent sous diff&#xe9;rentes directions ce massif.</p>
			<p>Les roches les plus anciennes qui forment les structures g&#xe9;ologiques dans la partie NE du gisement, sont celles de la s&#xe9;rie volcano-s&#xe9;dimentaire d&#x2019;&#xe2;ge N&#xe9;o-prot&#xe9;rozo&#xef;que. Ce sont des s&#xe9;ricito-schistes porphyriques m&#xe9;tamorphis&#xe9;s dans le faci&#xe8;s des schistes verts. </p>
			<p>La position du gisement sur le plan structural est influenc&#xe9;e essentiellement par les grands accidents subm&#xe9;ridiens qui ont jou&#xe9; un r&#xf4;le important dans la mise en place des filons d&#x2019;aplites.</p>
			<p>Les mouvements tectoniques ont favoris&#xe9;s la formation de plusieurs blocs et failles diagonales (40-45&#xb0; par rapport aux failles principales). Celles-ci repr&#xe9;sentent les &#xe9;l&#xe9;ments structuraux essentiels qui renferment les min&#xe9;ralisations de ce gisement. Elles montrent aussi que le champ minier du gisement est caract&#xe9;ris&#xe9; par une structure tectonique en blocs dont l&#x2019;unit&#xe9; la plus &#xe9;lev&#xe9;e est celle du NO.</p>
			<p>Les traits caract&#xe9;ristiques des accidents tectoniques consistent dans leur orientation essentiellement subm&#xe9;ridienne et leur nature de failles d&#xe9;crochantes. Par exemple, la zone faill&#xe9;e qui passe par le centre de la r&#xe9;gion d&#x2019;In Abeggui recoupe en deux le massif de gabbro-diorites. Cette faille d&#xe9;crochante ayant rejou&#xe9; &#xe0; plusieurs reprises, repr&#xe9;sente vraisemblablement une structure qui contr&#xf4;le la mise en place des min&#xe9;ralisations du champ minier d&#x2019;In Abeggui.</p>
			<p>Des fentes de tension en liaison avec les grands cisaillements d&#xe9;crochants sont &#xe9;galement le si&#xe8;ge de min&#xe9;ralisations.</p>
			<p>Ces filons de microgranites et d&#x2019;aplites localis&#xe9;s dans une zone subm&#xe9;ridienne de 2 Km de longueur et 30 m de puissance, pr&#xe9;sentent une morphologie tr&#xe8;s complexe et tr&#xe8;s variable, avec de nombreuses courbures et ramifications. Les roches sont de couleur blanche ou ros&#xe2;tre, &#xe0; grain fin et sont tr&#xe8;s compactes. Elles pr&#xe9;sentent une composition min&#xe9;ralogique typiquement granitique avec une texture souvent aplitique. Cependant, on note la pr&#xe9;sence de la muscovite.</p>
			<p>Le gisement d&#x2019;In Abeggui est situ&#xe9; dans un contexte d&#x2019;un grand bassin volcano-s&#xe9;dimentaire d&#x2019;&#xe2;ge n&#xe9;o-prot&#xe9;rozo&#xef;que, dans lequel s&#x2019;installe un massif de gabbros-diorite. Ce dernier est ensuite recoup&#xe9; par un batholite granitique. Tardivement, on note la mise en place d&#x2019;un cort&#xe8;ge d&#x2019;aplites, de microgranites et de pegmatites.</p>
			<p>La min&#xe9;ralisation aurif&#xe8;re est surtout concentr&#xe9;e sur la bordure nord du massif de gabbros-diorites l&#xe0;, o&#xf9; la fracturation et les alt&#xe9;rations hydrothermales sont particuli&#xe8;rement intenses marqu&#xe9;es sur une superficie de 2,5 km<sup>2</sup>. Elle est repr&#xe9;sent&#xe9;e par des filons de quartz &#xe0; tourmaline &#xe0; dominante N30&#xb0; (veines1) de premi&#xe8;re g&#xe9;n&#xe9;ration (i) et sous forme d&#x2019;un Stockwerk et veinules de quartz (veines 2), encaiss&#xe9;es dans des dykes d&#x2019;aplites recouvrant le syst&#xe8;me filonien 1, ces veines de quartz remplissent des fentes de tension (N30&#xb0; E) de deuxi&#xe8;me g&#xe9;n&#xe9;ration (ii).</p>
			<p>Les aplites se transformant en un assemblage quartz-tourmaline-muscovite-pyrite (greisen). La topaze, la cassit&#xe9;rite, la molybd&#xe9;nite et la wolframite sont souvent pr&#xe9;sentes dans le greisen ainsi que dans les filons de quartz.</p>
			<p>La partie sud de ce massif est tr&#xe8;s peu min&#xe9;ralis&#xe9;e (<xref ref-type="fig" rid="f3">Fig. 3</xref>). Les grands filons, et lentilles de quartz min&#xe9;ralis&#xe9; (une centaine) qui constituent le gisement, sont r&#xe9;partis en relais selon une direction moyenne NE-SO. Parfois, ils apparaissent selon une direction m&#xe9;ridienne.</p>
			<fig id="f3">
				<label>Figure 3</label>
				<caption>
					<title>
						<bold>a.</bold> Carte g&#xe9;ologique sch&#xe9;matique des secteurs d&#x2019;&#xe9;tudes d&#x2019;In-Abeggui <bold>b:</bold> D&#xe9;tail qui montre que les veinules de quartz aurif&#xe8;re encaiss&#xe9;es dans les dykes (ou flons felsiques) recoupent les flons de quartz aurif&#xe8;re.</title>
				</caption>
				<graphic id="gra-3" xlink:href="EGEOL-79-02-e158-gf3.png"/>
				<attrib>(<xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>)</attrib>
			</fig>
			<p>Les filons pr&#xe9;sentent des pendages assez accus&#xe9;s (70-85&#xb0; NO). Les longueurs des filons encaiss&#xe9;s dans les gabbros-diorites varient de quelques m&#xe8;tres &#xe0; une centaine de m&#xe8;tres et leurs puissances varient de quelques centim&#xe8;tres (10 cm) &#xe0; quelques m&#xe8;tres (6m). Les &#xe9;pontes sont nettes. La caisse filonienne montre un remplissage massif &#xe0; quartz et tourmaline o&#xf9; &#xe0; quartz-tourmaline et sulfures.</p>
			<p>Le min&#xe9;ral le plus important est l&#x2019;or natif qui est accumul&#xe9; dans des agr&#xe9;gats de pyrite, de quartz et de tourmaline remplissant de petites fissures. D&#x2019;autres min&#xe9;raux importants repr&#xe9;sent&#xe9;s dans ces minerais, sont ceux de bismuth et de bore (tourmaline). C&#x2019;est &#xe0; teneur moyenne de 6.2 g/t Au les r&#xe9;serves du gisement sont estim&#xe9;s &#xe0; 10-12 tonnes.</p>
			<p>L&#x2019;observation de terrain montre une tendance &#xe0; un regroupement de filons en secteurs. C&#x2019;est ainsi que plusieurs secteurs ont &#xe9;t&#xe9; d&#xe9;finis (<xref ref-type="bibr" rid="B6">Alexandrov et al., 1972</xref>; <xref ref-type="bibr" rid="B18">Kalabachkine et al., 1993</xref>; <xref ref-type="bibr" rid="B19">Kalabachkine et al., 1994</xref>) &#xe0; savoir le secteur central, le secteur sud, le secteur sud-ouest et le secteur interm&#xe9;diaire. Les secteurs les plus int&#xe9;ressants qui montrent de bons affleurements sont le secteur central et le secteur interm&#xe9;diaire (<xref ref-type="fig" rid="f3">Fig. 3</xref>).</p>
			<sec id="sec4.1">
				<title>Le secteur central</title>
				<p>Ce secteur (600x370 m) occupe essentiellement la partie NE du massif de gabbros. Il comprend la plupart des zones &#xe9;tudi&#xe9;es en d&#xe9;tail par l&#x2019;O.R.G.M est repr&#xe9;sent&#xe9; par un syst&#xe8;me de filons de quartz &#xe0; tourmaline recoupant les formations d&#x2019;&#xe2;ge N&#xe9;o-prot&#xe9;rozo&#xef;que (<xref ref-type="bibr" rid="B6">Alexandrov et al., 1972</xref>; <xref ref-type="bibr" rid="B10">Boutrika, 2006</xref>; <xref ref-type="bibr" rid="B13">2019</xref>; <xref ref-type="bibr" rid="B12">Boutrika et al. 2019</xref>) (<xref ref-type="fig" rid="f4">Fig. 4</xref>).</p>
				<fig id="f4">
					<label>Figure 4</label>
					<caption>
						<title>
							<bold>a.</bold> Carte g&#xe9;ologique du secteur central du gisement d&#x2019;In-Abegui, <bold>b:</bold> Coupe g&#xe9;ologique dans les zones N&#xb0;1 et 3 (Secteur Central).</title>
					</caption>
					<graphic id="gra-4" xlink:href="EGEOL-79-02-e158-gf4.png"/>
					<attrib>(<xref ref-type="bibr" rid="B6">Alexandrov, et al 1972</xref>; <xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>)</attrib>
				</fig>
				<p>Les filons du quartz &#xe0; tourmaline, en nombre de quelques centaines, qui constituent le corps du minerai (<xref ref-type="fig" rid="f3">Fig. 3</xref>), sont r&#xe9;partis en relais dont la direction essentielle NE-SO ou parfois subm&#xe9;ridienne. Leur pendage est vers le NO (70&#xb0;-90&#xb0;), la longueur varie de quelques m&#xe8;tres &#xe0; une centaine, la puissance de 1-3 cm &#xe0; 5-6 m. Souvent les filons resserr&#xe9;s se groupent par zones longues de 500-600 m et larges de quelques dizaines de m&#xe8;tres.</p>
				<p>La morphologie et la r&#xe9;partition des corps du minerai d&#x2019;une part sont tr&#xe8;s complexes. G&#xe9;n&#xe9;ralement ils sont influenc&#xe9;s par les structures tectoniques, zones faill&#xe9;es subm&#xe9;ridiennes et fissures diagonales en particulier. D&#x2019;autre part, dans certains cas, il se manifeste &#xe9;galement un contr&#xf4;le lithologique d&#xfb; vraisemblablement &#xe0; l&#x2019;existence des roches aux propri&#xe9;t&#xe9;s physico-chimiques diff&#xe9;rentes, &#xe0; savoir le recoupement des filons par les dykes d&#x2019;aplite (<xref ref-type="bibr" rid="B11">Boutrika, et al 2018</xref>).</p>
			</sec>
			<sec id="sec4.2">
				<title>Secteur Interm&#xe9;diaire</title>
				<p>Ce secteur situ&#xe9; entre le secteur Central et le secteur Sud-ouest, est repr&#xe9;sent&#xe9; par un filon d&#x2019;aplite orient&#xe9; N 150&#xb0;, avec une longueur de ~ 300 m et une puissance variant de 02 &#xe0; 13 m. En surface, le filon d&#x2019;aplite a &#xe9;t&#xe9; &#xe9;tudi&#xe9; par trois tranch&#xe9;es (N&#xb0; 49, 51 et 2), la teneur moyenne de l&#x2019;or est de 3 g/t sur une &#xe9;paisseur de 13 m. Dans la partie central du filon d&#x2019;aplite, la teneur atteint 8.9 g/t sur une &#xe9;paisseur de 11 m (<xref ref-type="fig" rid="f5">Fig. 5a</xref>).</p>
				<fig id="f5">
					<label>Figure 5</label>
					<caption>
						<title>a: Carte g&#xe9;ologique du secteur Interm&#xe9;diaire, b: Coupe g&#xe9;ologique passant par le flon d&#x2019;aplite (Secteur Interm&#xe9;diaire)</title>
					</caption>
					<graphic id="gra-5" xlink:href="EGEOL-79-02-e158-gf5.png"/>
					<attrib>(<xref ref-type="bibr" rid="B6">Alexandrov, et al 1972</xref>; <xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>)</attrib>
				</fig>
				<p>En profondeur (70 m), le sondage S12 a confirm&#xe9; la pr&#xe9;sence de la min&#xe9;ralisation (6.9 g/t sur 2 m) (<xref ref-type="fig" rid="f5">Fig. 5b</xref>). </p>
				<p>L&#x2019;observation de terrain montre la pr&#xe9;sence d&#x2019;un faci&#xe8;s plus clair qui contraste avec un complexe d&#x2019;affleurement de couleur sombre (<xref ref-type="fig" rid="f6">Fig. 6</xref>). Il s&#x2019;agit d&#x2019;un corps sous forme de filon orient&#xe9; N 150&#xb0;, avec un pendage sub-vertical &#xe0; 85&#xb0; O et d&#x2019;&#xe9;paisseur m&#xe9;trique.</p>
				<fig id="f6">
					<label>Figure 6</label>
					<caption>
						<title>Flanc nord du flon (secteur Interm&#xe9;diaire)</title>
					</caption>
					<graphic id="gra-6" xlink:href="EGEOL-79-02-e158-gf6.png"/>
				</fig>
				<p>L&#x2019;&#xe9;tude macroscopique des &#xe9;chantillons pr&#xe9;lev&#xe9;s au niveau du ce faci&#xe8;s (<xref ref-type="fig" rid="f7">Fig. 7</xref>) montre qu&#x2019;il correspond &#xe0; une roche de couleur blanch&#xe2;tre ou ros&#xe2;tre, compacte et &#xe0; grain fin, d&#xe9;pourvue de min&#xe9;ralisation, elle est constitu&#xe9;e essentiellement de quartz blanc vitreux et de feldspaths blanc laiteux. Le quartz se pr&#xe9;sente sous forme d&#x2019;individus bien de cristaux de taille millim&#xe9;trique, avec de formes particuli&#xe8;res, g&#xe9;n&#xe9;ralement allong&#xe9;es, rappelant une texture microgrenue.</p>
				<fig id="f7">
					<label>Figure 7</label>
					<caption>
						<title>Stokwerk de veinules de quartz &#xe0; tourmaline dans le flon d&#x2019;aplite.</title>
					</caption>
					<graphic id="gra-7" xlink:href="EGEOL-79-02-e158-gf7.png"/>
					<attrib>(<xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>)</attrib>
				</fig>
			</sec>
		</sec>
		<sec id="sec5">
			<title>Min&#xe9;ralisation</title>
			<p>Le minerai est caract&#xe9;ris&#xe9; par l&#x2019;association min&#xe9;ralogique suivante:</p>
			<list list-type="alpha-lower">
				<list-item>
					<p>Min&#xe9;raux de gangue: Quartz - tourmaline - barytine</p>
					<p>Les min&#xe9;raux de gangue sont essentiellement le quartz et la tourmaline. La tourmaline semble nettement dominer dans les filons encaiss&#xe9;s dans les formations volcano-s&#xe9;dimentaires du N&#xe9;o-prot&#xe9;rozo&#xef;que.</p> 
					<list list-type="bullet">
						<list-item>
							<p>Le quartz est repr&#xe9;sent&#xe9; par des agr&#xe9;gats a grain fin &#xe0; moyen, et de texture granulaire, se pressentant souvent en puzzle.</p>
						</list-item>
						<list-item>
							<p>La tourmaline forme de petits agr&#xe9;gats (3-5 mm) ou des cristaux idiomorphes individualis&#xe9;s, en lames minces. La tourmaline est d&#x2019;habitude de couleur vert-brun&#xe2;tre, incolore ou brun&#xe2;tre. La tourmaline plus fonc&#xe9;e se rencontre dans les filons de quartz aux contacts ext&#xe9;rieurs des gabbros. </p>
						</list-item>
					</list>
				</list-item>
				<list-item>
					<p>Les min&#xe9;raux m&#xe9;tallif&#xe8;res sont repr&#xe9;sent&#xe9;s par des sulfures (pyrite - ars&#xe9;nopyrite - pyrrhotite - chalcopyrite - gal&#xe8;ne - sphal&#xe9;rite), de l&#x2019;or, du bismuth et du bismuth natif.</p>
				</list-item>
			</list>
			<sec id="sec5.1">
				<title>Pyrite (FeS<sub>2</sub>)</title>
				<p>La pyrite repr&#xe9;sente un min&#xe9;ral essentiel des filons de quartz &#xe0; tourmaline (5 &#xe0; 30 %). On note la pr&#xe9;sence de deux types de pyrite. Pour le premier, les formes de pyrite les plus caract&#xe9;ristiques sont cubiques, de taille de 1-3 mm &#xe0; 1-2 cm. La pyrite de deuxi&#xe8;me type est x&#xe9;nomorphe. Ses grains ont des contours sinueux, irr&#xe9;guliers, et ils contiennent beaucoup d&#x2019;inclusions de quartz et de tourmaline. Par endroit, on observe des veinules de pyrite d&#x2019;&#xe9;paisseur de 2 cm, qui recoupent les grains de la pyrite de premi&#xe8;re g&#xe9;n&#xe9;ration (<xref ref-type="fig" rid="f8">Figures. 8</xref>, <xref ref-type="fig" rid="f9">9</xref> et <xref ref-type="fig" rid="f10">10</xref>) (<xref ref-type="table" rid="t1">Tableaux 1</xref>, <xref ref-type="table" rid="t2">1 suite</xref> et <xref ref-type="table" rid="t4">2</xref>).</p>
				<fig id="f8">
					<label>Figure 8</label>
					<caption>
						<title>Les min&#xe9;raux de pyrite (Py) diss&#xe9;min&#xe9;s dans les gabbros (Secteur Central)</title>
					</caption>
					<graphic id="gra-8" xlink:href="EGEOL-79-02-e158-gf8.png"/>
				</fig>
				<fig id="f9">
					<label>Figure 9</label>
					<caption>
						<title>
							<bold>Photo a.</bold> Pyrite (Py) cristaux automorphes de grands cristaux LN GX5. &#xc9;ch. 25/13. <bold>Photo b.</bold> Deux g&#xe9;n&#xe9;rations de pyrite (Py1 et Py2) plus jaune brun&#xe2;tre tardives. LN GX5. &#xc9;ch. 25/2</title>
					</caption>
					<graphic id="gra-9" xlink:href="EGEOL-79-02-e158-gf9.png"/>
					<attrib>(<xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>)</attrib>
				</fig>
				<fig id="f10">
					<label>Figure 10</label>
					<caption>
						<title>
							<bold>a-d:</bold> Cristaux de Pyrite &#xe9;tudi&#xe9;s par la microsonde &#xe9;lectronique (EPMA; JEOL Jxa-8530f) (Universit&#xe9; de Kyushu - Fukuoka Japon) Echantillon S25/5 (Analyses 261-283), S25/8 (Analyses 146-211) et S25/11 (Analyses 156-170)</title>
					</caption>
					<graphic id="gra-10" xlink:href="EGEOL-79-02-e158-gf10.png"/>
				</fig>
				<table-wrap id="t1">
					<label>Tableau 1</label>
					<caption>
						<title>R&#xe9;sultats des analyses microsondes de la pyrite (S25/8 Analyses 146-169)</title>
					</caption>
					<table>
						<colgroup>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
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							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
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							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="justify">Echantillons</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
								<th align="justify">s25_8</th>
							</tr>
							<tr>
								<th align="justify">analyses No.</th>
								<th align="center">146</th>
								<th align="center">147</th>
								<th align="center">148</th>
								<th align="center">149</th>
								<th align="center">150</th>
								<th align="center">151</th>
								<th align="center">152</th>
								<th align="center">153</th>
								<th align="center">154</th>
								<th align="center">155</th>
								<th align="center">156</th>
								<th align="center">157</th>
								<th align="center">158</th>
								<th align="center">159</th>
								<th align="center">160</th>
								<th align="center">161</th>
								<th align="center">162</th>
								<th align="center">163</th>
								<th align="center">164</th>
								<th align="center">165</th>
								<th align="center">166</th>
								<th align="center">167</th>
								<th align="center">168</th>
								<th align="center">169</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td align="justify">Lester %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="justify"> S </td>
								<td align="center">52,52</td>
								<td align="center">52,72</td>
								<td align="center">52,18</td>
								<td align="center">52,57</td>
								<td align="center">52,71</td>
								<td align="center">52,56</td>
								<td align="center">52,52</td>
								<td align="center">52,71</td>
								<td align="center">52,56</td>
								<td align="center">52,82</td>
								<td align="center">52,78</td>
								<td align="center">52,51</td>
								<td align="center">52,27</td>
								<td align="center">52,86</td>
								<td align="center">52,29</td>
								<td align="center">52,32</td>
								<td align="center">52,05</td>
								<td align="center">52,24</td>
								<td align="center">52,50</td>
								<td align="center">52,40</td>
								<td align="center">52,50</td>
								<td align="center">52,68</td>
								<td align="center">52,03</td>
								<td align="center">52,46</td>
							</tr>
							<tr>
								<td align="justify"> Fe </td>
								<td align="center">48,30</td>
								<td align="center">49,19</td>
								<td align="center">48,98</td>
								<td align="center">48,30</td>
								<td align="center">49,88</td>
								<td align="center">48,20</td>
								<td align="center">48,45</td>
								<td align="center">48,94</td>
								<td align="center">48,81</td>
								<td align="center">48,42</td>
								<td align="center">48,55</td>
								<td align="center">49,25</td>
								<td align="center">48,73</td>
								<td align="center">49,45</td>
								<td align="center">48,39</td>
								<td align="center">48,08</td>
								<td align="center">48,04</td>
								<td align="center">48,00</td>
								<td align="center">47,93</td>
								<td align="center">48,31</td>
								<td align="center">48,23</td>
								<td align="center">49,05</td>
								<td align="center">48,42</td>
								<td align="center">48,78</td>
							</tr>
							<tr>
								<td align="justify"> Co </td>
								<td align="center">0,09</td>
								<td align="center">0,02</td>
								<td align="center">0,05</td>
								<td align="center">0,12</td>
								<td align="center">0,08</td>
								<td align="center">0,09</td>
								<td align="center">0,12</td>
								<td align="center">0,13</td>
								<td align="center">0,08</td>
								<td align="center">0,12</td>
								<td align="center">0,08</td>
								<td align="center">0,07</td>
								<td align="center">0,11</td>
								<td align="center">0,13</td>
								<td align="center">0,11</td>
								<td align="center">0,06</td>
								<td align="center">0,06</td>
								<td align="center">0,13</td>
								<td align="center">0,08</td>
								<td align="center">0,13</td>
								<td align="center">0,10</td>
								<td align="center">0,08</td>
								<td align="center">0,09</td>
								<td align="center">0,14</td>
							</tr>
							<tr>
								<td align="justify"> Ni </td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,03</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">0,06</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,01</td>
							</tr>
							<tr>
								<td align="justify"> Cu </td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,07</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">0,05</td>
								<td align="center">0,05</td>
								<td align="center">0,00</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,07</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,10</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
							</tr>
							<tr>
								<td align="justify"> Zn </td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,06</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">0,07</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,09</td>
								<td align="center">0,08</td>
								<td align="center">0,08</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> As </td>
								<td align="center">0,02</td>
								<td align="center">0,05</td>
								<td align="center">0,21</td>
								<td align="center">0,13</td>
								<td align="center">0,35</td>
								<td align="center">0,13</td>
								<td align="center">0,35</td>
								<td align="center">-</td>
								<td align="center">0,21</td>
								<td align="center">0,40</td>
								<td align="center">0,08</td>
								<td align="center">0,30</td>
								<td align="center">0,13</td>
								<td align="center">0,14</td>
								<td align="center">0,21</td>
								<td align="center">0,23</td>
								<td align="center">0,31</td>
								<td align="center">0,14</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">0,17</td>
								<td align="center">0,25</td>
								<td align="center">0,27</td>
							</tr>
							<tr>
								<td align="justify"> Ag </td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
							</tr>
							<tr>
								<td align="justify"> Sb </td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> Sn </td>
								<td align="center">-</td>
								<td align="center">0,08</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,18</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,09</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> W </td>
								<td align="center">0,06</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,07</td>
								<td align="center">-</td>
								<td align="center">0,06</td>
								<td align="center">0,04</td>
								<td align="center">0,07</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
							</tr>
							<tr>
								<td align="justify"> Au </td>
								<td align="center">-</td>
								<td align="center">0,07</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,04</td>
								<td align="center">0,03</td>
								<td align="center">0,09</td>
								<td align="center">0,12</td>
								<td align="center">0,09</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,11</td>
								<td align="center">0,11</td>
								<td align="center">0,07</td>
								<td align="center">0,02</td>
							</tr>
							<tr>
								<td align="justify"> Hg </td>
								<td align="center">0,80</td>
								<td align="center">0,59</td>
								<td align="center">0,73</td>
								<td align="center">0,59</td>
								<td align="center">0,70</td>
								<td align="center">0,73</td>
								<td align="center">0,88</td>
								<td align="center">0,67</td>
								<td align="center">0,84</td>
								<td align="center">0,47</td>
								<td align="center">0,67</td>
								<td align="center">0,53</td>
								<td align="center">0,66</td>
								<td align="center">0,79</td>
								<td align="center">0,78</td>
								<td align="center">0,59</td>
								<td align="center">0,63</td>
								<td align="center">0,86</td>
								<td align="center">0,54</td>
								<td align="center">0,63</td>
								<td align="center">0,72</td>
								<td align="center">0,66</td>
								<td align="center">0,62</td>
								<td align="center">0,64</td>
							</tr>
							<tr>
								<td align="justify"> Pb </td>
								<td align="center">0,43</td>
								<td align="center">0,59</td>
								<td align="center">0,45</td>
								<td align="center">0,56</td>
								<td align="center">0,43</td>
								<td align="center">0,54</td>
								<td align="center">0,54</td>
								<td align="center">0,52</td>
								<td align="center">0,61</td>
								<td align="center">0,78</td>
								<td align="center">0,56</td>
								<td align="center">0,53</td>
								<td align="center">0,65</td>
								<td align="center">0,39</td>
								<td align="center">0,58</td>
								<td align="center">0,46</td>
								<td align="center">0,67</td>
								<td align="center">0,59</td>
								<td align="center">0,60</td>
								<td align="center">0,40</td>
								<td align="center">0,49</td>
								<td align="center">0,38</td>
								<td align="center">0,44</td>
								<td align="center">0,48</td>
							</tr>
							<tr>
								<td align="justify"> Total </td>
								<td align="center">102,30</td>
								<td align="center">103,38</td>
								<td align="center">102,69</td>
								<td align="center">102,36</td>
								<td align="center">104,31</td>
								<td align="center">102,51</td>
								<td align="center">102,99</td>
								<td align="center">103,15</td>
								<td align="center">103,38</td>
								<td align="center">103,22</td>
								<td align="center">102,85</td>
								<td align="center">103,30</td>
								<td align="center">102,70</td>
								<td align="center">103,87</td>
								<td align="center">102,39</td>
								<td align="center">101,97</td>
								<td align="center">01,85</td>
								<td align="center">102,08</td>
								<td align="center">101,70</td>
								<td align="center">101,88</td>
								<td align="center">102,21</td>
								<td align="center">103,24</td>
								<td align="center">101,94</td>
								<td align="center">102,82</td>
							</tr>
							<tr>
								<td align="justify">Atome %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="justify"> S </td>
								<td align="center">65,21</td>
								<td align="center">64,90</td>
								<td align="center">64,71</td>
								<td align="center">65,19</td>
								<td align="center">64,45</td>
								<td align="center">65,21</td>
								<td align="center">64,99</td>
								<td align="center">64,98</td>
								<td align="center">64,87</td>
								<td align="center">65,14</td>
								<td align="center">65,20</td>
								<td align="center">64,69</td>
								<td align="center">64,83</td>
								<td align="center">64,77</td>
								<td align="center">65,00</td>
								<td align="center">65,16</td>
								<td align="center">65,04</td>
								<td align="center">65,14</td>
								<td align="center">65,42</td>
								<td align="center">65,20</td>
								<td align="center">65,24</td>
								<td align="center">64,89</td>
								<td align="center">64,89</td>
								<td align="center">64,88</td>
							</tr>
							<tr>
								<td align="justify"> Fe </td>
								<td align="center">34,42</td>
								<td align="center">34,76</td>
								<td align="center">34,87</td>
								<td align="center">34,39</td>
								<td align="center">35,01</td>
								<td align="center">34,33</td>
								<td align="center">34,42</td>
								<td align="center">34,63</td>
								<td align="center">34,58</td>
								<td align="center">34,28</td>
								<td align="center">34,42</td>
								<td align="center">34,83</td>
								<td align="center">34,69</td>
								<td align="center">34,78</td>
								<td align="center">34,53</td>
								<td align="center">34,37</td>
								<td align="center">34,46</td>
								<td align="center">34,36</td>
								<td align="center">34,29</td>
								<td align="center">34,50</td>
								<td align="center">34,40</td>
								<td align="center">34,68</td>
								<td align="center">34,67</td>
								<td align="center">34,63</td>
							</tr>
							<tr>
								<td align="justify"> Co </td>
								<td align="center">0,06</td>
								<td align="center">0,01</td>
								<td align="center">0,04</td>
								<td align="center">0,08</td>
								<td align="center">0,05</td>
								<td align="center">0,06</td>
								<td align="center">0,08</td>
								<td align="center">0,08</td>
								<td align="center">0,06</td>
								<td align="center">0,08</td>
								<td align="center">0,06</td>
								<td align="center">0,04</td>
								<td align="center">0,07</td>
								<td align="center">0,09</td>
								<td align="center">0,07</td>
								<td align="center">0,04</td>
								<td align="center">0,04</td>
								<td align="center">0,09</td>
								<td align="center">0,05</td>
								<td align="center">0,09</td>
								<td align="center">0,07</td>
								<td align="center">0,05</td>
								<td align="center">0,06</td>
								<td align="center">0,10</td>
							</tr>
							<tr>
								<td align="justify"> Ni </td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,04</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
							</tr>
							<tr>
								<td align="justify"> Cu </td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,03</td>
								<td align="center">0,03</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
							</tr>
							<tr>
								<td align="justify"> Zn </td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,04</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,06</td>
								<td align="center">0,05</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> As </td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">0,11</td>
								<td align="center">0,07</td>
								<td align="center">0,18</td>
								<td align="center">0,07</td>
								<td align="center">0,19</td>
								<td align="center">-</td>
								<td align="center">0,11</td>
								<td align="center">0,21</td>
								<td align="center">0,04</td>
								<td align="center">0,16</td>
								<td align="center">0,07</td>
								<td align="center">0,07</td>
								<td align="center">0,11</td>
								<td align="center">0,12</td>
								<td align="center">0,17</td>
								<td align="center">0,07</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,09</td>
								<td align="center">0,13</td>
								<td align="center">0,14</td>
							</tr>
							<tr>
								<td align="justify"> Ag </td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
							</tr>
							<tr>
								<td align="justify"> Sb </td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> Sn </td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> W </td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
							</tr>
							<tr>
								<td align="justify"> Au </td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
							</tr>
							<tr>
								<td align="justify"> Hg </td>
								<td align="center">0,16</td>
								<td align="center">0,12</td>
								<td align="center">0,14</td>
								<td align="center">0,12</td>
								<td align="center">0,14</td>
								<td align="center">0,15</td>
								<td align="center">0,17</td>
								<td align="center">0,13</td>
								<td align="center">0,17</td>
								<td align="center">0,09</td>
								<td align="center">0,13</td>
								<td align="center">0,10</td>
								<td align="center">0,13</td>
								<td align="center">0,16</td>
								<td align="center">0,15</td>
								<td align="center">0,12</td>
								<td align="center">0,13</td>
								<td align="center">0,17</td>
								<td align="center">0,11</td>
								<td align="center">0,12</td>
								<td align="center">0,14</td>
								<td align="center">0,13</td>
								<td align="center">0,12</td>
								<td align="center">0,13</td>
							</tr>
							<tr>
								<td align="justify"> Pb </td>
								<td align="center">0,08</td>
								<td align="center">0,11</td>
								<td align="center">0,09</td>
								<td align="center">0,11</td>
								<td align="center">0,08</td>
								<td align="center">0,10</td>
								<td align="center">0,10</td>
								<td align="center">0,10</td>
								<td align="center">0,12</td>
								<td align="center">0,15</td>
								<td align="center">0,11</td>
								<td align="center">0,10</td>
								<td align="center">0,12</td>
								<td align="center">0,07</td>
								<td align="center">0,11</td>
								<td align="center">0,09</td>
								<td align="center">0,13</td>
								<td align="center">0,11</td>
								<td align="center">0,12</td>
								<td align="center">0,08</td>
								<td align="center">0,09</td>
								<td align="center">0,07</td>
								<td align="center">0,08</td>
								<td align="center">0,09</td>
							</tr>
							<tr>
								<td align="justify"> Total </td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
							</tr>
							<tr>
								<td align="justify">Min&#xe9;ral</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
							</tr>
						</tbody>
					</table>
				</table-wrap>
				<table-wrap id="t2">
					<label>Tableau 1 (Suite)</label>
					<caption>
						<title>R&#xe9;sultats des analyses microsondes de la pyrite (S25/8 Analyses 170-195)</title>
					</caption>
					<table>
						<colgroup>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="center">Echantillons</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
							</tr>
							<tr>
								<th align="center">analyses No.</th>
								<th align="center">170</th>
								<th align="center">171</th>
								<th align="center">172</th>
								<th align="center">173</th>
								<th align="center">174</th>
								<th align="center">175</th>
								<th align="center">176</th>
								<th align="center">177</th>
								<th align="center">178</th>
								<th align="center">179</th>
								<th align="center">180</th>
								<th align="center">181</th>
								<th align="center">182</th>
								<th align="center">183</th>
								<th align="center">184</th>
								<th align="center">185</th>
								<th align="center">186</th>
								<th align="center">187</th>
								<th align="center">188</th>
								<th align="center">189</th>
								<th align="center">190</th>
								<th align="center">191</th>
								<th align="center">192</th>
								<th align="center">193</th>
								<th align="center">194</th>
								<th align="center">195</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td align="justify">Lester %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="justify"> S </td>
								<td align="center">52,34</td>
								<td align="center">52,55</td>
								<td align="center">52,45</td>
								<td align="center">52,52</td>
								<td align="center">52,81</td>
								<td align="center">52,64</td>
								<td align="center">52,90</td>
								<td align="center">53,24</td>
								<td align="center">52,97</td>
								<td align="center">52,97</td>
								<td align="center">52,72</td>
								<td align="center">52,29</td>
								<td align="center">52,51</td>
								<td align="center">52,55</td>
								<td align="center">52,65</td>
								<td align="center">52,77</td>
								<td align="center">53,49</td>
								<td align="center">53,00</td>
								<td align="center">52,48</td>
								<td align="center">52,60</td>
								<td align="center">52,60</td>
								<td align="center">53,08</td>
								<td align="center">52,87</td>
								<td align="center">52,62</td>
								<td align="center">52,65</td>
								<td align="center">51,88</td>
							</tr>
							<tr>
								<td align="justify"> Fe </td>
								<td align="center">48,51</td>
								<td align="center">48,74</td>
								<td align="center">48,84</td>
								<td align="center">48,71</td>
								<td align="center">48,30</td>
								<td align="center">49,21</td>
								<td align="center">48,68</td>
								<td align="center">49,01</td>
								<td align="center">48,98</td>
								<td align="center">48,60</td>
								<td align="center">48,49</td>
								<td align="center">48,53</td>
								<td align="center">48,80</td>
								<td align="center">48,20</td>
								<td align="center">48,69</td>
								<td align="center">48,92</td>
								<td align="center">48,87</td>
								<td align="center">48,85</td>
								<td align="center">48,55</td>
								<td align="center">48,21</td>
								<td align="center">48,62</td>
								<td align="center">48,49</td>
								<td align="center">48,84</td>
								<td align="center">48,42</td>
								<td align="center">48,26</td>
								<td align="center">49,07</td>
							</tr>
							<tr>
								<td align="justify"> Co </td>
								<td align="center">0,11</td>
								<td align="center">0,09</td>
								<td align="center">0,09</td>
								<td align="center">0,07</td>
								<td align="center">0,10</td>
								<td align="center">0,10</td>
								<td align="center">0,03</td>
								<td align="center">0,06</td>
								<td align="center">0,05</td>
								<td align="center">0,09</td>
								<td align="center">0,03</td>
								<td align="center">0,07</td>
								<td align="center">0,14</td>
								<td align="center">0,10</td>
								<td align="center">0,10</td>
								<td align="center">0,08</td>
								<td align="center">0,04</td>
								<td align="center">0,04</td>
								<td align="center">0,07</td>
								<td align="center">0,06</td>
								<td align="center">0,11</td>
								<td align="center">0,12</td>
								<td align="center">0,11</td>
								<td align="center">0,08</td>
								<td align="center">0,03</td>
								<td align="center">0,05</td>
							</tr>
							<tr>
								<td align="justify"> Ni </td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,09</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">0,02</td>
								<td align="center">0,03</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">0,05</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> Cu </td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,08</td>
								<td align="center">0,00</td>
								<td align="center">0,07</td>
								<td align="center">0,03</td>
								<td align="center">0,04</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,09</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
							</tr>
							<tr>
								<td align="justify"> Zn </td>
								<td align="center">0,11</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,07</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,10</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,00</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,10</td>
							</tr>
							<tr>
								<td align="justify"> As </td>
								<td align="center">0,17</td>
								<td align="center">0,12</td>
								<td align="center">0,32</td>
								<td align="center">0,14</td>
								<td align="center">0,20</td>
								<td align="center">0,32</td>
								<td align="center">-</td>
								<td align="center">0,15</td>
								<td align="center">0,18</td>
								<td align="center">0,14</td>
								<td align="center">0,26</td>
								<td align="center">0,25</td>
								<td align="center">0,03</td>
								<td align="center">0,20</td>
								<td align="center">0,28</td>
								<td align="center">0,22</td>
								<td align="center">0,02</td>
								<td align="center">0,07</td>
								<td align="center">0,19</td>
								<td align="center">0,17</td>
								<td align="center">0,48</td>
								<td align="center">0,04</td>
								<td align="center">0,08</td>
								<td align="center">0,01</td>
								<td align="center">0,15</td>
								<td align="center">0,24</td>
							</tr>
							<tr>
								<td align="justify"> Ag </td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,08</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">0,00</td>
								<td align="center">0,06</td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> Sb </td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,06</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> Sn </td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">0,09</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,10</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,13</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> W </td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,08</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,08</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> Au </td>
								<td align="center">0,04</td>
								<td align="center">0,09</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,07</td>
								<td align="center">0,02</td>
								<td align="center">0,07</td>
								<td align="center">0,03</td>
								<td align="center">0,03</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,10</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">0,03</td>
								<td align="center">0,01</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">0,15</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">0,02</td>
							</tr>
							<tr>
								<td align="justify"> Hg </td>
								<td align="center">0,58</td>
								<td align="center">0,47</td>
								<td align="center">0,70</td>
								<td align="center">0,77</td>
								<td align="center">0,69</td>
								<td align="center">0,74</td>
								<td align="center">0,55</td>
								<td align="center">0,47</td>
								<td align="center">0,61</td>
								<td align="center">0,86</td>
								<td align="center">0,69</td>
								<td align="center">0,47</td>
								<td align="center">0,62</td>
								<td align="center">0,84</td>
								<td align="center">0,60</td>
								<td align="center">0,70</td>
								<td align="center">0,65</td>
								<td align="center">0,73</td>
								<td align="center">0,85</td>
								<td align="center">0,61</td>
								<td align="center">0,53</td>
								<td align="center">0,57</td>
								<td align="center">0,55</td>
								<td align="center">0,89</td>
								<td align="center">0,60</td>
								<td align="center">0,59</td>
							</tr>
							<tr>
								<td align="justify"> Pb </td>
								<td align="center">0,49</td>
								<td align="center">0,55</td>
								<td align="center">0,57</td>
								<td align="center">0,48</td>
								<td align="center">0,40</td>
								<td align="center">0,46</td>
								<td align="center">0,56</td>
								<td align="center">0,55</td>
								<td align="center">0,51</td>
								<td align="center">0,45</td>
								<td align="center">0,57</td>
								<td align="center">0,46</td>
								<td align="center">0,40</td>
								<td align="center">0,45</td>
								<td align="center">0,55</td>
								<td align="center">0,48</td>
								<td align="center">0,55</td>
								<td align="center">0,55</td>
								<td align="center">0,52</td>
								<td align="center">0,48</td>
								<td align="center">0,64</td>
								<td align="center">0,55</td>
								<td align="center">0,48</td>
								<td align="center">0,59</td>
								<td align="center">0,53</td>
								<td align="center">0,71</td>
							</tr>
							<tr>
								<td align="justify"> Total </td>
								<td align="center">102,41</td>
								<td align="center">102,61</td>
								<td align="center">103,02</td>
								<td align="center">102,79</td>
								<td align="center">102,58</td>
								<td align="center">103,62</td>
								<td align="center">102,92</td>
								<td align="center">103,57</td>
								<td align="center">103,57</td>
								<td align="center">103,21</td>
								<td align="center">102,90</td>
								<td align="center">102,20</td>
								<td align="center">102,59</td>
								<td align="center">102,63</td>
								<td align="center">102,93</td>
								<td align="center">103,49</td>
								<td align="center">103,87</td>
								<td align="center">103,33</td>
								<td align="center">102,76</td>
								<td align="center">102,15</td>
								<td align="center">103,25</td>
								<td align="center">102,92</td>
								<td align="center">102,99</td>
								<td align="center">102,69</td>
								<td align="center">102,31</td>
								<td align="center">102,68</td>
							</tr>
							<tr>
								<td align="justify">Atome %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="justify"> S </td>
								<td align="center">64,97</td>
								<td align="center">65,03</td>
								<td align="center">64,84</td>
								<td align="center">64,98</td>
								<td align="center">65,30</td>
								<td align="center">64,73</td>
								<td align="center">65,24</td>
								<td align="center">65,19</td>
								<td align="center">65,01</td>
								<td align="center">65,22</td>
								<td align="center">65,13</td>
								<td align="center">64,97</td>
								<td align="center">64,99</td>
								<td align="center">65,16</td>
								<td align="center">65,01</td>
								<td align="center">64,92</td>
								<td align="center">65,35</td>
								<td align="center">65,16</td>
								<td align="center">65,02</td>
								<td align="center">65,30</td>
								<td align="center">64,93</td>
								<td align="center">65,37</td>
								<td align="center">65,13</td>
								<td align="center">65,18</td>
								<td align="center">65,30</td>
								<td align="center">64,50</td>
							</tr>
							<tr>
								<td align="justify"> Fe </td>
								<td align="center">34,56</td>
								<td align="center">34,63</td>
								<td align="center">34,66</td>
								<td align="center">34,60</td>
								<td align="center">34,29</td>
								<td align="center">34,74</td>
								<td align="center">34,46</td>
								<td align="center">34,45</td>
								<td align="center">34,51</td>
								<td align="center">34,35</td>
								<td align="center">34,39</td>
								<td align="center">34,62</td>
								<td align="center">34,67</td>
								<td align="center">34,31</td>
								<td align="center">34,51</td>
								<td align="center">34,55</td>
								<td align="center">34,28</td>
								<td align="center">34,48</td>
								<td align="center">34,53</td>
								<td align="center">34,35</td>
								<td align="center">34,45</td>
								<td align="center">34,28</td>
								<td align="center">34,54</td>
								<td align="center">34,43</td>
								<td align="center">34,36</td>
								<td align="center">35,02</td>
							</tr>
							<tr>
								<td align="justify"> Co </td>
								<td align="center">0,07</td>
								<td align="center">0,06</td>
								<td align="center">0,06</td>
								<td align="center">0,04</td>
								<td align="center">0,07</td>
								<td align="center">0,07</td>
								<td align="center">0,02</td>
								<td align="center">0,04</td>
								<td align="center">0,03</td>
								<td align="center">0,06</td>
								<td align="center">0,02</td>
								<td align="center">0,05</td>
								<td align="center">0,10</td>
								<td align="center">0,07</td>
								<td align="center">0,06</td>
								<td align="center">0,05</td>
								<td align="center">0,03</td>
								<td align="center">0,02</td>
								<td align="center">0,05</td>
								<td align="center">0,04</td>
								<td align="center">0,07</td>
								<td align="center">0,08</td>
								<td align="center">0,07</td>
								<td align="center">0,06</td>
								<td align="center">0,02</td>
								<td align="center">0,04</td>
							</tr>
							<tr>
								<td align="justify"> Ni </td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,03</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> Cu </td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">0,00</td>
								<td align="center">0,04</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
							</tr>
							<tr>
								<td align="justify"> Zn </td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,06</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,06</td>
							</tr>
							<tr>
								<td align="justify"> As </td>
								<td align="center">0,09</td>
								<td align="center">0,06</td>
								<td align="center">0,17</td>
								<td align="center">0,07</td>
								<td align="center">0,10</td>
								<td align="center">0,17</td>
								<td align="center">-</td>
								<td align="center">0,08</td>
								<td align="center">0,10</td>
								<td align="center">0,07</td>
								<td align="center">0,13</td>
								<td align="center">0,14</td>
								<td align="center">0,01</td>
								<td align="center">0,11</td>
								<td align="center">0,15</td>
								<td align="center">0,11</td>
								<td align="center">0,01</td>
								<td align="center">0,04</td>
								<td align="center">0,10</td>
								<td align="center">0,09</td>
								<td align="center">0,25</td>
								<td align="center">0,02</td>
								<td align="center">0,04</td>
								<td align="center">0,01</td>
								<td align="center">0,08</td>
								<td align="center">0,13</td>
							</tr>
							<tr>
								<td align="justify"> Ag </td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,02</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> Sb </td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> Sn </td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> W </td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="justify"> Au </td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
							</tr>
							<tr>
								<td align="justify"> Hg </td>
								<td align="center">0,12</td>
								<td align="center">0,09</td>
								<td align="center">0,14</td>
								<td align="center">0,15</td>
								<td align="center">0,14</td>
								<td align="center">0,15</td>
								<td align="center">0,11</td>
								<td align="center">0,09</td>
								<td align="center">0,12</td>
								<td align="center">0,17</td>
								<td align="center">0,14</td>
								<td align="center">0,09</td>
								<td align="center">0,12</td>
								<td align="center">0,17</td>
								<td align="center">0,12</td>
								<td align="center">0,14</td>
								<td align="center">0,13</td>
								<td align="center">0,14</td>
								<td align="center">0,17</td>
								<td align="center">0,12</td>
								<td align="center">0,10</td>
								<td align="center">0,11</td>
								<td align="center">0,11</td>
								<td align="center">0,18</td>
								<td align="center">0,12</td>
								<td align="center">0,12</td>
							</tr>
							<tr>
								<td align="justify"> Pb </td>
								<td align="center">0,09</td>
								<td align="center">0,11</td>
								<td align="center">0,11</td>
								<td align="center">0,09</td>
								<td align="center">0,08</td>
								<td align="center">0,09</td>
								<td align="center">0,11</td>
								<td align="center">0,10</td>
								<td align="center">0,10</td>
								<td align="center">0,08</td>
								<td align="center">0,11</td>
								<td align="center">0,09</td>
								<td align="center">0,08</td>
								<td align="center">0,09</td>
								<td align="center">0,10</td>
								<td align="center">0,09</td>
								<td align="center">0,10</td>
								<td align="center">0,11</td>
								<td align="center">0,10</td>
								<td align="center">0,09</td>
								<td align="center">0,12</td>
								<td align="center">0,11</td>
								<td align="center">0,09</td>
								<td align="center">0,11</td>
								<td align="center">0,10</td>
								<td align="center">0,14</td>
							</tr>
							<tr>
								<td align="justify"> Total </td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
							</tr>
							<tr>
								<td align="justify">min&#xe9;ral</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
							</tr>
						</tbody>
					</table>
				</table-wrap>
				<table-wrap id="t3">
					<label>Tableau 1 (Suite)</label>
					<caption>
						<title>R&#xe9;sultats des analyses microsondes de la pyrite (S25/8 Analyses 196-211).</title>
					</caption>
					<table>
						<colgroup>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="left">Echantillons</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
							</tr>
							<tr>
								<th align="left">analyses No.</th>
								<th align="center">196</th>
								<th align="center">197</th>
								<th align="center">198</th>
								<th align="center">199</th>
								<th align="center">200</th>
								<th align="center">201</th>
								<th align="center">202</th>
								<th align="center">203</th>
								<th align="center">204</th>
								<th align="center">205</th>
								<th align="center">206</th>
								<th align="center">207</th>
								<th align="center">208</th>
								<th align="center">209</th>
								<th align="center">210</th>
								<th align="center">211</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td align="left">Lester %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left">S</td>
								<td align="center">51,49</td>
								<td align="center">51,94</td>
								<td align="center">52,58</td>
								<td align="center">51,82</td>
								<td align="center">53,02</td>
								<td align="center">51,84</td>
								<td align="center">51,88</td>
								<td align="center">52,34</td>
								<td align="center">52,40</td>
								<td align="center">52,36</td>
								<td align="center">52,42</td>
								<td align="center">52,78</td>
								<td align="center">52,12</td>
								<td align="center">52,51</td>
								<td align="center">52,92</td>
								<td align="center">52,90</td>
							</tr>
							<tr>
								<td align="left">Fe</td>
								<td align="center">48,12</td>
								<td align="center">48,36</td>
								<td align="center">48,11</td>
								<td align="center">47,79</td>
								<td align="center">48,32</td>
								<td align="center">48,50</td>
								<td align="center">48,54</td>
								<td align="center">48,62</td>
								<td align="center">48,72</td>
								<td align="center">48,37</td>
								<td align="center">48,52</td>
								<td align="center">48,27</td>
								<td align="center">47,79</td>
								<td align="center">48,62</td>
								<td align="center">48,14</td>
								<td align="center">48,79</td>
							</tr>
							<tr>
								<td align="left">Co</td>
								<td align="center">0,11</td>
								<td align="center">0,08</td>
								<td align="center">0,07</td>
								<td align="center">0,04</td>
								<td align="center">0,09</td>
								<td align="center">0,06</td>
								<td align="center">0,12</td>
								<td align="center">0,11</td>
								<td align="center">0,05</td>
								<td align="center">0,05</td>
								<td align="center">0,14</td>
								<td align="center">0,06</td>
								<td align="center">0,10</td>
								<td align="center">0,10</td>
								<td align="center">0,04</td>
								<td align="center">0,03</td>
							</tr>
							<tr>
								<td align="left">Ni</td>
								<td align="center">0,01</td>
								<td align="center">0,04</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,10</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,03</td>
								<td align="center">0,02</td>
							</tr>
							<tr>
								<td align="left">Cu</td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">0,06</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">0,08</td>
								<td align="center">0,05</td>
								<td align="center">0,05</td>
								<td align="center">0,03</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,07</td>
							</tr>
							<tr>
								<td align="left">Zn</td>
								<td align="center">0,11</td>
								<td align="center">0,10</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">As</td>
								<td align="center">0,30</td>
								<td align="center">0,17</td>
								<td align="center">0,28</td>
								<td align="center">0,21</td>
								<td align="center">0,24</td>
								<td align="center">0,27</td>
								<td align="center">0,08</td>
								<td align="center">0,31</td>
								<td align="center">0,13</td>
								<td align="center">0,28</td>
								<td align="center">0,33</td>
								<td align="center">0,24</td>
								<td align="center">0,25</td>
								<td align="center">0,27</td>
								<td align="center">0,29</td>
								<td align="center">0,16</td>
							</tr>
							<tr>
								<td align="left">Ag</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">Sb</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">Sn</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">W</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,03</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
							</tr>
							<tr>
								<td align="left">Au</td>
								<td align="center">0,08</td>
								<td align="center">0,10</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,05</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,07</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,10</td>
								<td align="center">0,04</td>
							</tr>
							<tr>
								<td align="left">Hg</td>
								<td align="center">0,63</td>
								<td align="center">0,60</td>
								<td align="center">0,72</td>
								<td align="center">0,61</td>
								<td align="center">0,73</td>
								<td align="center">0,76</td>
								<td align="center">0,67</td>
								<td align="center">0,79</td>
								<td align="center">0,75</td>
								<td align="center">0,71</td>
								<td align="center">0,63</td>
								<td align="center">0,52</td>
								<td align="center">0,55</td>
								<td align="center">0,62</td>
								<td align="center">0,63</td>
								<td align="center">0,80</td>
							</tr>
							<tr>
								<td align="left">Pb</td>
								<td align="center">0,39</td>
								<td align="center">0,46</td>
								<td align="center">0,70</td>
								<td align="center">0,50</td>
								<td align="center">0,58</td>
								<td align="center">0,38</td>
								<td align="center">0,52</td>
								<td align="center">0,60</td>
								<td align="center">0,48</td>
								<td align="center">0,50</td>
								<td align="center">0,49</td>
								<td align="center">0,60</td>
								<td align="center">0,56</td>
								<td align="center">0,68</td>
								<td align="center">0,64</td>
								<td align="center">0,52</td>
							</tr>
							<tr>
								<td align="left">Total</td>
								<td align="center">101,31</td>
								<td align="center">101,88</td>
								<td align="center">102,52</td>
								<td align="center">101,04</td>
								<td align="center">103,11</td>
								<td align="center">101,90</td>
								<td align="center">101,88</td>
								<td align="center">102,91</td>
								<td align="center">102,70</td>
								<td align="center">102,49</td>
								<td align="center">102,62</td>
								<td align="center">102,52</td>
								<td align="center">101,49</td>
								<td align="center">102,84</td>
								<td align="center">102,81</td>
								<td align="center">103,35</td>
							</tr>
							<tr>
								<td align="left">Atome %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left">S</td>
								<td align="center">64,71</td>
								<td align="center">64,86</td>
								<td align="center">65,23</td>
								<td align="center">65,13</td>
								<td align="center">65,33</td>
								<td align="center">64,77</td>
								<td align="center">64,81</td>
								<td align="center">64,84</td>
								<td align="center">64,92</td>
								<td align="center">65,00</td>
								<td align="center">64,96</td>
								<td align="center">65,32</td>
								<td align="center">65,22</td>
								<td align="center">64,98</td>
								<td align="center">65,38</td>
								<td align="center">65,10</td>
							</tr>
							<tr>
								<td align="left">Fe</td>
								<td align="center">34,72</td>
								<td align="center">34,67</td>
								<td align="center">34,26</td>
								<td align="center">34,47</td>
								<td align="center">34,18</td>
								<td align="center">34,78</td>
								<td align="center">34,81</td>
								<td align="center">34,58</td>
								<td align="center">34,65</td>
								<td align="center">34,47</td>
								<td align="center">34,51</td>
								<td align="center">34,29</td>
								<td align="center">34,33</td>
								<td align="center">34,54</td>
								<td align="center">34,14</td>
								<td align="center">34,47</td>
							</tr>
							<tr>
								<td align="left">Co</td>
								<td align="center">0,08</td>
								<td align="center">0,06</td>
								<td align="center">0,04</td>
								<td align="center">0,03</td>
								<td align="center">0,06</td>
								<td align="center">0,04</td>
								<td align="center">0,08</td>
								<td align="center">0,08</td>
								<td align="center">0,04</td>
								<td align="center">0,03</td>
								<td align="center">0,10</td>
								<td align="center">0,04</td>
								<td align="center">0,07</td>
								<td align="center">0,07</td>
								<td align="center">0,03</td>
								<td align="center">0,02</td>
							</tr>
							<tr>
								<td align="left">Ni</td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,07</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
							</tr>
							<tr>
								<td align="left">Cu</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">0,03</td>
								<td align="center">0,03</td>
								<td align="center">0,02</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
							</tr>
							<tr>
								<td align="left">Zn</td>
								<td align="center">0,07</td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">As</td>
								<td align="center">0,16</td>
								<td align="center">0,09</td>
								<td align="center">0,15</td>
								<td align="center">0,11</td>
								<td align="center">0,13</td>
								<td align="center">0,15</td>
								<td align="center">0,04</td>
								<td align="center">0,16</td>
								<td align="center">0,07</td>
								<td align="center">0,15</td>
								<td align="center">0,18</td>
								<td align="center">0,13</td>
								<td align="center">0,14</td>
								<td align="center">0,14</td>
								<td align="center">0,16</td>
								<td align="center">0,08</td>
							</tr>
							<tr>
								<td align="left">Ag</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">Sb</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">Sn</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">W</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
							</tr>
							<tr>
								<td align="left">Au</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
							</tr>
							<tr>
								<td align="left">Hg</td>
								<td align="center">0,13</td>
								<td align="center">0,12</td>
								<td align="center">0,14</td>
								<td align="center">0,12</td>
								<td align="center">0,14</td>
								<td align="center">0,15</td>
								<td align="center">0,13</td>
								<td align="center">0,16</td>
								<td align="center">0,15</td>
								<td align="center">0,14</td>
								<td align="center">0,12</td>
								<td align="center">0,10</td>
								<td align="center">0,11</td>
								<td align="center">0,12</td>
								<td align="center">0,12</td>
								<td align="center">0,16</td>
							</tr>
							<tr>
								<td align="left">Pb</td>
								<td align="center">0,08</td>
								<td align="center">0,09</td>
								<td align="center">0,13</td>
								<td align="center">0,10</td>
								<td align="center">0,11</td>
								<td align="center">0,07</td>
								<td align="center">0,10</td>
								<td align="center">0,12</td>
								<td align="center">0,09</td>
								<td align="center">0,10</td>
								<td align="center">0,09</td>
								<td align="center">0,11</td>
								<td align="center">0,11</td>
								<td align="center">0,13</td>
								<td align="center">0,12</td>
								<td align="center">0,10</td>
							</tr>
							<tr>
								<td align="left">Total</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
							</tr>
							<tr>
								<td align="left">min&#xe9;ral</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
							</tr>
						</tbody>
					</table>
				</table-wrap>
				<table-wrap id="t4">
					<label>Tableau 2</label>
					<caption>
						<title>R&#xe9;sultats des analyses microsondes de la pyrite (S25/5 Analyses 261-283).</title>
					</caption>
					<table>
						<colgroup>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
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							<col/>
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							<col/>
							<col/>
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							<col/>
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							<col/>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="left">Echantillons</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
								<th align="center">S25_5</th>
							</tr>
							<tr>
								<th align="left">analyses No.</th>
								<th align="center">261</th>
								<th align="center">262</th>
								<th align="center">263</th>
								<th align="center">264</th>
								<th align="center">265</th>
								<th align="center">266</th>
								<th align="center">267</th>
								<th align="center">268</th>
								<th align="center">269</th>
								<th align="center">270</th>
								<th align="center">271</th>
								<th align="center">272</th>
								<th align="center">273</th>
								<th align="center">274</th>
								<th align="center">275</th>
								<th align="center">276</th>
								<th align="center">277</th>
								<th align="center">278</th>
								<th align="center">279</th>
								<th align="center">280</th>
								<th align="center">281</th>
								<th align="center">282</th>
								<th align="center">283</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td align="left">Lester %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left">S</td>
								<td align="center">53,24</td>
								<td align="center">53,45</td>
								<td align="center">52,85</td>
								<td align="center">52,39</td>
								<td align="center">52,15</td>
								<td align="center">52,65</td>
								<td align="center">51,68</td>
								<td align="center">51,97</td>
								<td align="center">52,22</td>
								<td align="center">52,70</td>
								<td align="center">52,71</td>
								<td align="center">52,89</td>
								<td align="center">52,57</td>
								<td align="center">51,43</td>
								<td align="center">52,59</td>
								<td align="center">52,60</td>
								<td align="center">52,64</td>
								<td align="center">53,03</td>
								<td align="center">53,02</td>
								<td align="center">52,80</td>
								<td align="center">52,77</td>
								<td align="center">53,16</td>
								<td align="center">52,56</td>
							</tr>
							<tr>
								<td align="left">Fe</td>
								<td align="center">47,80</td>
								<td align="center">48,25</td>
								<td align="center">48,18</td>
								<td align="center">49,05</td>
								<td align="center">48,63</td>
								<td align="center">47,83</td>
								<td align="center">48,10</td>
								<td align="center">47,89</td>
								<td align="center">48,40</td>
								<td align="center">48,19</td>
								<td align="center">48,66</td>
								<td align="center">48,98</td>
								<td align="center">48,24</td>
								<td align="center">48,02</td>
								<td align="center">48,83</td>
								<td align="center">48,16</td>
								<td align="center">47,99</td>
								<td align="center">48,66</td>
								<td align="center">48,35</td>
								<td align="center">48,82</td>
								<td align="center">48,17</td>
								<td align="center">49,04</td>
								<td align="center">48,64</td>
							</tr>
							<tr>
								<td align="left">Co</td>
								<td align="center">0,06</td>
								<td align="center">0,11</td>
								<td align="center">0,12</td>
								<td align="center">0,05</td>
								<td align="center">0,07</td>
								<td align="center">0,08</td>
								<td align="center">0,05</td>
								<td align="center">0,08</td>
								<td align="center">0,06</td>
								<td align="center">0,09</td>
								<td align="center">0,10</td>
								<td align="center">0,04</td>
								<td align="center">0,04</td>
								<td align="center">0,19</td>
								<td align="center">0,07</td>
								<td align="center">0,09</td>
								<td align="center">0,03</td>
								<td align="center">0,10</td>
								<td align="center">0,04</td>
								<td align="center">0,05</td>
								<td align="center">0,08</td>
								<td align="center">0,12</td>
								<td align="center">0,10</td>
							</tr>
							<tr>
								<td align="left">Ni</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">Cu</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,05</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,07</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,05</td>
								<td align="center">0,02</td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
							</tr>
							<tr>
								<td align="left">Zn</td>
								<td align="center">0,15</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">0,13</td>
								<td align="center">0,03</td>
								<td align="center">0,06</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,04</td>
								<td align="center">0,03</td>
								<td align="center">0,01</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,08</td>
								<td align="center">0,07</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">As</td>
								<td align="center">0,04</td>
								<td align="center">0,02</td>
								<td align="center">0,04</td>
								<td align="center">0,12</td>
								<td align="center">0,66</td>
								<td align="center">0,44</td>
								<td align="center">0,49</td>
								<td align="center">0,61</td>
								<td align="center">0,67</td>
								<td align="center">0,03</td>
								<td align="center">0,26</td>
								<td align="center">0,11</td>
								<td align="center">0,21</td>
								<td align="center">0,01</td>
								<td align="center">0,07</td>
								<td align="center">-</td>
								<td align="center">0,27</td>
								<td align="center">0,07</td>
								<td align="center">0,15</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,10</td>
							</tr>
							<tr>
								<td align="left">Ag</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">0,00</td>
								<td align="center">0,02</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">0,05</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
							</tr>
							<tr>
								<td align="left">Sb</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">Sn</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,15</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">W</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,03</td>
								<td align="center">0,02</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">Au</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,08</td>
								<td align="center">-</td>
								<td align="center">0,14</td>
								<td align="center">-</td>
								<td align="center">0,09</td>
								<td align="center">0,10</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,06</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">0,02</td>
								<td align="center">0,07</td>
							</tr>
							<tr>
								<td align="left">Hg</td>
								<td align="center">0,56</td>
								<td align="center">0,84</td>
								<td align="center">0,66</td>
								<td align="center">0,63</td>
								<td align="center">0,43</td>
								<td align="center">0,60</td>
								<td align="center">0,56</td>
								<td align="center">0,65</td>
								<td align="center">0,65</td>
								<td align="center">0,45</td>
								<td align="center">0,82</td>
								<td align="center">0,70</td>
								<td align="center">0,69</td>
								<td align="center">0,75</td>
								<td align="center">0,74</td>
								<td align="center">0,66</td>
								<td align="center">0,42</td>
								<td align="center">0,75</td>
								<td align="center">0,60</td>
								<td align="center">0,73</td>
								<td align="center">0,83</td>
								<td align="center">0,69</td>
								<td align="center">0,70</td>
							</tr>
							<tr>
								<td align="left">Pb</td>
								<td align="center">0,44</td>
								<td align="center">0,54</td>
								<td align="center">0,50</td>
								<td align="center">0,61</td>
								<td align="center">0,43</td>
								<td align="center">0,69</td>
								<td align="center">0,50</td>
								<td align="center">0,66</td>
								<td align="center">0,45</td>
								<td align="center">0,59</td>
								<td align="center">0,38</td>
								<td align="center">0,67</td>
								<td align="center">0,51</td>
								<td align="center">0,44</td>
								<td align="center">0,55</td>
								<td align="center">0,56</td>
								<td align="center">0,51</td>
								<td align="center">0,59</td>
								<td align="center">0,43</td>
								<td align="center">0,47</td>
								<td align="center">0,52</td>
								<td align="center">0,58</td>
								<td align="center">0,79</td>
							</tr>
							<tr>
								<td align="left">Total</td>
								<td align="center">102,31</td>
								<td align="center">103,30</td>
								<td align="center">102,56</td>
								<td align="center">103,03</td>
								<td align="center">102,55</td>
								<td align="center">102,34</td>
								<td align="center">101,54</td>
								<td align="center">101,86</td>
								<td align="center">102,62</td>
								<td align="center">102,10</td>
								<td align="center">103,05</td>
								<td align="center">103,61</td>
								<td align="center">102,40</td>
								<td align="center">100,91</td>
								<td align="center">102,97</td>
								<td align="center">102,26</td>
								<td align="center">101,94</td>
								<td align="center">103,21</td>
								<td align="center">102,73</td>
								<td align="center">103,01</td>
								<td align="center">102,58</td>
								<td align="center">103,63</td>
								<td align="center">102,99</td>
							</tr>
							<tr>
								<td align="left">Atome %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left">S</td>
								<td align="center">65,76</td>
								<td align="center">65,60</td>
								<td align="center">65,38</td>
								<td align="center">64,77</td>
								<td align="center">64,70</td>
								<td align="center">65,36</td>
								<td align="center">64,81</td>
								<td align="center">64,98</td>
								<td align="center">64,85</td>
								<td align="center">65,39</td>
								<td align="center">65,05</td>
								<td align="center">65,02</td>
								<td align="center">65,21</td>
								<td align="center">64,84</td>
								<td align="center">64,98</td>
								<td align="center">65,30</td>
								<td align="center">65,39</td>
								<td align="center">65,26</td>
								<td align="center">65,38</td>
								<td align="center">65,10</td>
								<td align="center">65,34</td>
								<td align="center">65,16</td>
								<td align="center">65,02</td>
							</tr>
							<tr>
								<td align="left">Fe</td>
								<td align="center">33,89</td>
								<td align="center">34,00</td>
								<td align="center">34,22</td>
								<td align="center">34,80</td>
								<td align="center">34,63</td>
								<td align="center">34,08</td>
								<td align="center">34,62</td>
								<td align="center">34,38</td>
								<td align="center">34,50</td>
								<td align="center">34,32</td>
								<td align="center">34,47</td>
								<td align="center">34,56</td>
								<td align="center">34,35</td>
								<td align="center">34,76</td>
								<td align="center">34,63</td>
								<td align="center">34,31</td>
								<td align="center">34,23</td>
								<td align="center">34,37</td>
								<td align="center">34,23</td>
								<td align="center">34,55</td>
								<td align="center">34,24</td>
								<td align="center">34,50</td>
								<td align="center">34,54</td>
							</tr>
							<tr>
								<td align="left">Co</td>
								<td align="center">0,04</td>
								<td align="center">0,08</td>
								<td align="center">0,08</td>
								<td align="center">0,03</td>
								<td align="center">0,05</td>
								<td align="center">0,05</td>
								<td align="center">0,04</td>
								<td align="center">0,05</td>
								<td align="center">0,04</td>
								<td align="center">0,06</td>
								<td align="center">0,06</td>
								<td align="center">0,02</td>
								<td align="center">0,03</td>
								<td align="center">0,13</td>
								<td align="center">0,05</td>
								<td align="center">0,06</td>
								<td align="center">0,02</td>
								<td align="center">0,06</td>
								<td align="center">0,03</td>
								<td align="center">0,04</td>
								<td align="center">0,05</td>
								<td align="center">0,08</td>
								<td align="center">0,07</td>
							</tr>
							<tr>
								<td align="left">Ni</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,04</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">Cu</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">0,05</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">0,01</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
							</tr>
							<tr>
								<td align="left">Zn</td>
								<td align="center">0,09</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">0,08</td>
								<td align="center">0,02</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">0,04</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">As</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">0,06</td>
								<td align="center">0,35</td>
								<td align="center">0,23</td>
								<td align="center">0,26</td>
								<td align="center">0,33</td>
								<td align="center">0,36</td>
								<td align="center">0,01</td>
								<td align="center">0,14</td>
								<td align="center">0,06</td>
								<td align="center">0,11</td>
								<td align="center">0,00</td>
								<td align="center">0,04</td>
								<td align="center">-</td>
								<td align="center">0,14</td>
								<td align="center">0,04</td>
								<td align="center">0,08</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
							</tr>
							<tr>
								<td align="left">Ag</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,02</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
							</tr>
							<tr>
								<td align="left">Sb</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">Sn</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,05</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">W</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-+</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td align="left">Au</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">-</td>
								<td align="center">0,03</td>
								<td align="center">-</td>
								<td align="center">0,02</td>
								<td align="center">0,02</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">-</td>
								<td align="center">0,01</td>
								<td align="center">0,00</td>
								<td align="center">0,01</td>
							</tr>
							<tr>
								<td align="left">Hg</td>
								<td align="center">0,11</td>
								<td align="center">0,16</td>
								<td align="center">0,13</td>
								<td align="center">0,13</td>
								<td align="center">0,08</td>
								<td align="center">0,12</td>
								<td align="center">0,11</td>
								<td align="center">0,13</td>
								<td align="center">0,13</td>
								<td align="center">0,09</td>
								<td align="center">0,16</td>
								<td align="center">0,14</td>
								<td align="center">0,14</td>
								<td align="center">0,15</td>
								<td align="center">0,15</td>
								<td align="center">0,13</td>
								<td align="center">0,08</td>
								<td align="center">0,15</td>
								<td align="center">0,12</td>
								<td align="center">0,14</td>
								<td align="center">0,16</td>
								<td align="center">0,14</td>
								<td align="center">0,14</td>
							</tr>
							<tr>
								<td align="left">Pb</td>
								<td align="center">0,08</td>
								<td align="center">0,10</td>
								<td align="center">0,10</td>
								<td align="center">0,12</td>
								<td align="center">0,08</td>
								<td align="center">0,13</td>
								<td align="center">0,10</td>
								<td align="center">0,13</td>
								<td align="center">0,09</td>
								<td align="center">0,11</td>
								<td align="center">0,07</td>
								<td align="center">0,13</td>
								<td align="center">0,10</td>
								<td align="center">0,09</td>
								<td align="center">0,11</td>
								<td align="center">0,11</td>
								<td align="center">0,10</td>
								<td align="center">0,11</td>
								<td align="center">0,08</td>
								<td align="center">0,09</td>
								<td align="center">0,10</td>
								<td align="center">0,11</td>
								<td align="center">0,15</td>
							</tr>
							<tr>
								<td align="left">Total</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
								<td align="center">100,00</td>
							</tr>
							<tr>
								<td align="left">Min&#xe9;ral</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
								<td align="center">Pyrite</td>
							</tr>
						</tbody>
					</table>
				</table-wrap>
			</sec>
			<sec id="sec5.2">
				<title>Ars&#xe9;nopyrite (FeAsS)</title>
				<p>La concentration de l&#x2019;ars&#xe9;nopyrite dans les concentr&#xe9;s artificiels vari&#xe9;e de 1 &#xe0; 20 par rapport au volume de la fraction lourde, soit de 20 % de la quantit&#xe9; de pyrite.</p>
				<p>Dans la zone d&#x2019;oxydation form&#xe9;e dans les conditions de la r&#xe9;gion d&#x2019;In Abeggui l&#x2019;ars&#xe9;nopyrite n&#x2019;est pas persistante et pour cela elle n&#x2019;est pas d&#xe9;cel&#xe9;e dans les concentr&#xe9;s artificiels. L&#x2019;&#xe9;tude microscopique montre que l&#x2019;ars&#xe9;nopyrite (<xref ref-type="fig" rid="f11">Figs. 11</xref> et <xref ref-type="fig" rid="f12">12</xref>), se pr&#xe9;sente sous forme d&#x2019;inclusions automorphes de taille millim&#xe9;trique &#xe0; l&#x2019;int&#xe9;rieur des grandes plages de pyrite (<xref ref-type="table" rid="t5">Tableaux 3</xref> et <xref ref-type="table" rid="t6">3 suites</xref>).</p>
				<fig id="f11">
					<label>Figure 11</label>
					<caption>
						<title>
							<bold>a.</bold> Observation d'inclusion d&#x2019;ars&#xe9;nopyrite dans des grand cristaux de pyrite (LN) GX5; <bold>b:</bold> Observation d'inclusion d&#x2019;ars&#xe9;nopyrite dans des grand cristaux de pyrite (LPA) GX5.</title>
					</caption>
					<graphic id="gra-11" xlink:href="EGEOL-79-02-e158-gf11.png"/>
				</fig>
				<fig id="f12">
					<label>Figure. 12</label>
					<caption>
						<title>L&#x2019;ars&#xe9;nopyrite &#xe0; l&#x2019;int&#xe9;rieur de la Pyrite d&#xe9;termin&#xe9;s par la microsonde &#xe9;lectronique (EPMA; JEOL Jxa-8530f) (Universit&#xe9; de Kyushu - Fukuoka Japon) Echantillon S S25/8 (Analyse 119-145)</title>
					</caption>
					<graphic id="gra-12" xlink:href="EGEOL-79-02-e158-gf12.png"/>
				</fig>
				<table-wrap id="t5">
					<label>Tableau 3</label>
					<caption>
						<title>R&#xe9;sultats des analyses microsondes de l&#x2019;ars&#xe9;nopyrite (S25/8 Analyses 119-133).</title>
					</caption>
					<table>
						<colgroup>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="left">Echantillons</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
							</tr>
							<tr>
								<th align="left">analyses No.</th>
								<th align="center">119</th>
								<th align="center">120</th>
								<th align="center">121</th>
								<th align="center">122</th>
								<th align="center">123</th>
								<th align="center">124</th>
								<th align="center">125</th>
								<th align="center">126</th>
								<th align="center">127</th>
								<th align="center">128</th>
								<th align="center">129</th>
								<th align="center">130</th>
								<th align="center">131</th>
								<th align="center">132</th>
								<th align="center">133</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td align="left">Lester %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left"> S </td>
								<td align="center"> 21,42 </td>
								<td align="center"> 21,81 </td>
								<td align="center"> 22,88 </td>
								<td align="center"> 22,49 </td>
								<td align="center"> 21,63 </td>
								<td align="center"> 23,15 </td>
								<td align="center"> 21,13 </td>
								<td align="center"> 21,34 </td>
								<td align="center"> 22,78 </td>
								<td align="center"> 21,06 </td>
								<td align="center"> 21,26 </td>
								<td align="center"> 21,40 </td>
								<td align="center"> 21,24 </td>
								<td align="center"> 22,73 </td>
								<td align="center"> 21,92 </td>
							</tr>
							<tr>
								<td align="left"> Fe </td>
								<td align="center"> 37,49 </td>
								<td align="center"> 37,11 </td>
								<td align="center"> 37,92 </td>
								<td align="center"> 37,98 </td>
								<td align="center"> 37,39 </td>
								<td align="center"> 38,72 </td>
								<td align="center"> 37,61 </td>
								<td align="center"> 36,77 </td>
								<td align="center"> 38,63 </td>
								<td align="center"> 37,44 </td>
								<td align="center"> 37,13 </td>
								<td align="center"> 37,07 </td>
								<td align="center"> 36,93 </td>
								<td align="center"> 37,07 </td>
								<td align="center"> 37,48 </td>
							</tr>
							<tr>
								<td align="left"> Co </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,09 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> - </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,13 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,11 </td>
							</tr>
							<tr>
								<td align="left"> Ni </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,00 </td>
							</tr>
							<tr>
								<td align="left"> Cu </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,04 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> Zn </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> - </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> - </td>
								<td align="center"> 0,04 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> As </td>
								<td align="center"> 41,01 </td>
								<td align="center"> 41,53 </td>
								<td align="center"> 39,90 </td>
								<td align="center"> 40,93 </td>
								<td align="center"> 41,73 </td>
								<td align="center"> 39,71 </td>
								<td align="center"> 42,08 </td>
								<td align="center"> 41,71 </td>
								<td align="center"> 40,20 </td>
								<td align="center"> 42,79 </td>
								<td align="center"> 42,07 </td>
								<td align="center"> 42,14 </td>
								<td align="center"> 41,54 </td>
								<td align="center"> 39,85 </td>
								<td align="center"> 41,14 </td>
							</tr>
							<tr>
								<td align="left"> Ag </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> Sb </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> Sn </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,08 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> W </td>
								<td align="center"> - </td>
								<td align="center"> 0,11 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,06 </td>
								<td align="center"> - </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
							</tr>
							<tr>
								<td align="left"> Au </td>
								<td align="center"> - </td>
								<td align="center"> 0,15 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,09 </td>
								<td align="center"> - </td>
								<td align="center"> 0,13 </td>
								<td align="center"> - </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,11 </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
							</tr>
							<tr>
								<td align="left"> Hg </td>
								<td align="center"> 0,28 </td>
								<td align="center"> 0,24 </td>
								<td align="center"> 0,31 </td>
								<td align="center"> 0,31 </td>
								<td align="center"> 0,30 </td>
								<td align="center"> 0,35 </td>
								<td align="center"> 0,29 </td>
								<td align="center"> 0,13 </td>
								<td align="center"> 0,28 </td>
								<td align="center"> 0,32 </td>
								<td align="center"> 0,33 </td>
								<td align="center"> 0,36 </td>
								<td align="center"> 0,31 </td>
								<td align="center"> 0,29 </td>
								<td align="center"> 0,09 </td>
							</tr>
							<tr>
								<td align="left"> Pb </td>
								<td align="center"> 0,12 </td>
								<td align="center"> 0,26 </td>
								<td align="center"> 0,25 </td>
								<td align="center"> 0,30 </td>
								<td align="center"> 0,16 </td>
								<td align="center"> 0,23 </td>
								<td align="center"> 0,24 </td>
								<td align="center"> 0,16 </td>
								<td align="center"> 0,25 </td>
								<td align="center"> 0,19 </td>
								<td align="center"> 0,30 </td>
								<td align="center"> 0,22 </td>
								<td align="center"> 0,27 </td>
								<td align="center"> 0,27 </td>
								<td align="center"> 0,15 </td>
							</tr>
							<tr>
								<td align="left"> Total </td>
								<td align="center"> 100,47 </td>
								<td align="center"> 101,39 </td>
								<td align="center"> 101,45 </td>
								<td align="center"> 102,13 </td>
								<td align="center"> 101,38 </td>
								<td align="center"> 102,53 </td>
								<td align="center"> 101,43 </td>
								<td align="center"> 100,29 </td>
								<td align="center"> 102,45 </td>
								<td align="center"> 101,94 </td>
								<td align="center"> 101,26 </td>
								<td align="center"> 101,29 </td>
								<td align="center"> 100,39 </td>
								<td align="center"> 100,28 </td>
								<td align="center"> 100,92 </td>
							</tr>
							<tr>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left">Atome%</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left"> S </td>
								<td align="center"> 35,33 </td>
								<td align="center"> 35,70 </td>
								<td align="center"> 36,97 </td>
								<td align="center"> 36,32 </td>
								<td align="center"> 35,39 </td>
								<td align="center"> 36,99 </td>
								<td align="center"> 34,72 </td>
								<td align="center"> 35,31 </td>
								<td align="center"> 36,55 </td>
								<td align="center"> 34,52 </td>
								<td align="center"> 35,01 </td>
								<td align="center"> 35,18 </td>
								<td align="center"> 35,19 </td>
								<td align="center"> 37,15 </td>
								<td align="center"> 35,84 </td>
							</tr>
							<tr>
								<td align="left"> Fe </td>
								<td align="center"> 35,49 </td>
								<td align="center"> 34,86 </td>
								<td align="center"> 35,17 </td>
								<td align="center"> 35,21 </td>
								<td align="center"> 35,12 </td>
								<td align="center"> 35,51 </td>
								<td align="center"> 35,48 </td>
								<td align="center"> 34,93 </td>
								<td align="center"> 35,59 </td>
								<td align="center"> 35,24 </td>
								<td align="center"> 35,09 </td>
								<td align="center"> 34,98 </td>
								<td align="center"> 35,13 </td>
								<td align="center"> 34,77 </td>
								<td align="center"> 35,19 </td>
							</tr>
							<tr>
								<td align="left"> Co </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> - </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,11 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,09 </td>
							</tr>
							<tr>
								<td align="left"> Ni </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,00 </td>
							</tr>
							<tr>
								<td align="left"> Cu </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> Zn </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> - </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> As </td>
								<td align="center"> 28,95 </td>
								<td align="center"> 29,09 </td>
								<td align="center"> 27,58 </td>
								<td align="center"> 28,28 </td>
								<td align="center"> 29,22 </td>
								<td align="center"> 27,15 </td>
								<td align="center"> 29,59 </td>
								<td align="center"> 29,54 </td>
								<td align="center"> 27,61 </td>
								<td align="center"> 30,03 </td>
								<td align="center"> 29,65 </td>
								<td align="center"> 29,64 </td>
								<td align="center"> 29,46 </td>
								<td align="center"> 27,87 </td>
								<td align="center"> 28,80 </td>
							</tr>
							<tr>
								<td align="left"> Ag </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,00 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> Sb </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> Sn </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> W </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
							</tr>
							<tr>
								<td align="left"> Au </td>
								<td align="center"> - </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,00 </td>
							</tr>
							<tr>
								<td align="left"> Hg </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,09 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,09 </td>
								<td align="center"> 0,10 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,02 </td>
							</tr>
							<tr>
								<td align="left"> Pb </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,04 </td>
							</tr>
							<tr>
								<td align="left"> Total </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
							</tr>
							<tr>
								<td align="left">min&#xe9;ral</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
								<td align="left">Ars&#xe9;nopyrite</td>
							</tr>
						</tbody>
					</table>
				</table-wrap>
				<table-wrap id="t6">
					<label>Tableau 3 (Suite)</label>
					<caption>
						<title>R&#xe9;sultats des analyses microsondes de l&#x2019;ars&#xe9;nopyrite (S25/8 Analyses 134-145).</title>
					</caption>
					<table>
						<colgroup>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="left">Echantillons</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
							</tr>
							<tr>
								<th align="left">analyses No.</th>
								<th align="center">134</th>
								<th align="center">135</th>
								<th align="center">136</th>
								<th align="center">137</th>
								<th align="center">138</th>
								<th align="center">139</th>
								<th align="center">140</th>
								<th align="center">141</th>
								<th align="center">142</th>
								<th align="center">143</th>
								<th align="center">144</th>
								<th align="center">145</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td align="left">Lester %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left"> S </td>
								<td align="center"> 21,92 </td>
								<td align="center"> 22,17 </td>
								<td align="center"> 21,90 </td>
								<td align="center"> 21,62 </td>
								<td align="center"> 21,35 </td>
								<td align="center"> 21,26 </td>
								<td align="center"> 22,33 </td>
								<td align="center"> 21,22 </td>
								<td align="center"> 21,12 </td>
								<td align="center"> 21,73 </td>
								<td align="center"> 22,05 </td>
								<td align="center"> 20,74 </td>
							</tr>
							<tr>
								<td align="left"> Fe </td>
								<td align="center"> 37,67 </td>
								<td align="center"> 38,02 </td>
								<td align="center"> 38,18 </td>
								<td align="center"> 38,04 </td>
								<td align="center"> 38,01 </td>
								<td align="center"> 37,39 </td>
								<td align="center"> 37,92 </td>
								<td align="center"> 37,80 </td>
								<td align="center"> 37,74 </td>
								<td align="center"> 38,17 </td>
								<td align="center"> 37,63 </td>
								<td align="center"> 37,15 </td>
							</tr>
							<tr>
								<td align="left"> Co </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,09 </td>
								<td align="center"> 0,11 </td>
								<td align="center"> 0,09 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,07 </td>
							</tr>
							<tr>
								<td align="left"> Ni </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,01 </td>
							</tr>
							<tr>
								<td align="left"> Cu </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,11 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,06 </td>
							</tr>
							<tr>
								<td align="left"> Zn </td>
								<td align="center"> 0,05 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> As </td>
								<td align="center"> 41,12 </td>
								<td align="center"> 40,78 </td>
								<td align="center"> 41,08 </td>
								<td align="center"> 41,16 </td>
								<td align="center"> 42,30 </td>
								<td align="center"> 42,32 </td>
								<td align="center"> 40,24 </td>
								<td align="center"> 42,07 </td>
								<td align="center"> 42,32 </td>
								<td align="center"> 40,72 </td>
								<td align="center"> 40,69 </td>
								<td align="center"> 42,31 </td>
							</tr>
							<tr>
								<td align="left"> Ag </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,07 </td>
							</tr>
							<tr>
								<td align="left"> Sb </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> Sn </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,05 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> W </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,09 </td>
								<td align="center"> - </td>
								<td align="center"> 0,04 </td>
								<td align="center"> - </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
							</tr>
							<tr>
								<td align="left"> Au </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,16 </td>
								<td align="center"> - </td>
								<td align="center"> 0,14 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> Hg </td>
								<td align="center"> 0,35 </td>
								<td align="center"> 0,25 </td>
								<td align="center"> 0,23 </td>
								<td align="center"> 0,16 </td>
								<td align="center"> 0,32 </td>
								<td align="center"> 0,44 </td>
								<td align="center"> 0,30 </td>
								<td align="center"> 0,37 </td>
								<td align="center"> 0,44 </td>
								<td align="center"> 0,14 </td>
								<td align="center"> 0,25 </td>
								<td align="center"> 0,26 </td>
							</tr>
							<tr>
								<td align="left"> Pb </td>
								<td align="center"> 0,15 </td>
								<td align="center"> 0,33 </td>
								<td align="center"> 0,18 </td>
								<td align="center"> 0,23 </td>
								<td align="center"> 0,23 </td>
								<td align="center"> 0,33 </td>
								<td align="center"> 0,20 </td>
								<td align="center"> 0,23 </td>
								<td align="center"> 0,17 </td>
								<td align="center"> 0,23 </td>
								<td align="center"> 0,32 </td>
								<td align="center"> 0,19 </td>
							</tr>
							<tr>
								<td align="left"> Total </td>
								<td align="center"> 101,43 </td>
								<td align="center"> 101,75 </td>
								<td align="center"> 101,75 </td>
								<td align="center"> 101,46 </td>
								<td align="center"> 102,43 </td>
								<td align="center"> 101,98 </td>
								<td align="center"> 101,29 </td>
								<td align="center"> 102,00 </td>
								<td align="center"> 101,88 </td>
								<td align="center"> 101,02 </td>
								<td align="center"> 101,09 </td>
								<td align="center"> 100,87 </td>
							</tr>
							<tr>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left">Atome%</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left"> S </td>
								<td align="center"> 35,75 </td>
								<td align="center"> 35,99 </td>
								<td align="center"> 35,60 </td>
								<td align="center"> 35,32 </td>
								<td align="center"> 34,74 </td>
								<td align="center"> 34,84 </td>
								<td align="center"> 36,31 </td>
								<td align="center"> 34,70 </td>
								<td align="center"> 34,62 </td>
								<td align="center"> 35,53 </td>
								<td align="center"> 36,02 </td>
								<td align="center"> 34,38 </td>
							</tr>
							<tr>
								<td align="left"> Fe </td>
								<td align="center"> 35,27 </td>
								<td align="center"> 35,43 </td>
								<td align="center"> 35,64 </td>
								<td align="center"> 35,68 </td>
								<td align="center"> 35,51 </td>
								<td align="center"> 35,17 </td>
								<td align="center"> 35,40 </td>
								<td align="center"> 35,48 </td>
								<td align="center"> 35,51 </td>
								<td align="center"> 35,84 </td>
								<td align="center"> 35,28 </td>
								<td align="center"> 35,34 </td>
							</tr>
							<tr>
								<td align="left"> Co </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,09 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,07 </td>
							</tr>
							<tr>
								<td align="left"> Ni </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,03 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,03 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,01 </td>
							</tr>
							<tr>
								<td align="left"> Cu </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,09 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,05 </td>
							</tr>
							<tr>
								<td align="left"> Zn </td>
								<td align="center"> 0,04 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> As </td>
								<td align="center"> 28,70 </td>
								<td align="center"> 28,33 </td>
								<td align="center"> 28,58 </td>
								<td align="center"> 28,78 </td>
								<td align="center"> 29,46 </td>
								<td align="center"> 29,67 </td>
								<td align="center"> 28,00 </td>
								<td align="center"> 29,44 </td>
								<td align="center"> 29,68 </td>
								<td align="center"> 28,50 </td>
								<td align="center"> 28,43 </td>
								<td align="center"> 30,01 </td>
							</tr>
							<tr>
								<td align="left"> Ag </td>
								<td align="center"> - </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,03 </td>
							</tr>
							<tr>
								<td align="left"> Sb </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,00 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> Sn </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> W </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,01 </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> 0,00 </td>
							</tr>
							<tr>
								<td align="left"> Au </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> - </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="left"> Hg </td>
								<td align="center"> 0,09 </td>
								<td align="center"> 0,07 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,12 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,10 </td>
								<td align="center"> 0,11 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,07 </td>
							</tr>
							<tr>
								<td align="left"> Pb </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,05 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,04 </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,08 </td>
								<td align="center"> 0,05 </td>
							</tr>
							<tr>
								<td align="left"> Total </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
							</tr>
							<tr>
								<td align="left">min&#xe9;ral</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="center">Ars&#xe9;nopyrite</td>
							</tr>
						</tbody>
					</table>
				</table-wrap>
			</sec>
			<sec id="sec5.3">
				<title>Pyrrhotite: [(Fe3+)7 S8-Fe2+S]</title>
				<p>La pyrrhotite est assez r&#xe9;pandue dans les minerais frais. Dans les concentr&#xe9;s artificiels, son pourcentage varie de 10 &#xe0; 80% de la fraction magn&#xe9;tique dont le reste est constitu&#xe9; par de la magn&#xe9;tite, soit 20% par rapport &#xe0; la concentration de pyrite. Les cristaux x&#xe9;nomorphes remplissent des fissures et des interstices de l&#x2019;ordre du dixi&#xe8;me de mm. Ce min&#xe9;ral lui aussi, n&#x2019;est pas stable dans la zone d&#x2019;oxydation. La pyrrhotite se rencontre dans des cristaux du quartz; elle est assez abondante, en petites plages x&#xe9;nomorphes associ&#xe9;es &#xe0; la pyrite, dont elle la recoupe. Comme on la trouve aussi isol&#xe9;e, sa taille n&#x2019;atteint pas 60 &#x3bc;m.</p>
			</sec>
			<sec id="sec5.4">
				<title>Chalcopyrite: (CuFeS2)</title>
				<p>La chalcopyrite est tr&#xe8;s peu abondante, se pr&#xe9;sente rarement en cristaux automorphes, sa taille avoisine les 6-12 &#x3bc;m; elle est dispers&#xe9;e dans le quartz.</p>
			</sec>
			<sec id="sec5.5">
				<title>Bismuthinite (Bi<sub>2</sub>S<sub>3</sub>) et bismuth natif (Bi)</title>
				<p>L&#x2019;&#xe9;tude &#xe0; la microsonde &#xe9;lectronique indique que la bismuthinite (Bi2S<sub>3</sub>) et le bismuth natif (Bi) apparaissent comme des inclusions &#xe0; l&#x2019;int&#xe9;rieur de pyrite (<xref ref-type="fig" rid="f13">Figs. 13</xref> et <xref ref-type="fig" rid="f14">14</xref>) (<xref ref-type="table" rid="t7">Tableau 4</xref>).</p>
				<fig id="f13">
					<label>Figure 13</label>
					<caption>
						<title>Image par &#xe9;lectrons r&#xe9;trodiffus&#xe9;s montrant la bismuthinite et le bismuth natif (Bi), en inclusion dans la pyrite.</title>
					</caption>
					<graphic id="gra-13" xlink:href="EGEOL-79-02-e158-gf13.png"/>
					<attrib>(<xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>)</attrib>
				</fig>
				<fig id="f14">
					<label>Figure 14</label>
					<caption>
						<title>Le bismuth natif (Bi) et le bismuthinite (Bi2S3) en inclusions dans la pyrite. (Image par &#xe9;lectrons r&#xe9;trodiffus&#xe9;s.</title>
					</caption>
					<graphic id="gra-14" xlink:href="EGEOL-79-02-e158-gf14.png"/>
					<attrib>(<xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>)</attrib>
				</fig>
				<table-wrap id="t7">
					<label>Tableau. 4</label>
					<caption>
						<title>R&#xe9;sultats des analyses microsondes de Bismuth m&#xe9;tal (S25/8 Analyses 257-259)</title>
					</caption>
					<table>
						<colgroup>
							<col/>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="justify">Echantillons</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
								<th align="center">s25_8</th>
							</tr>
							<tr>
								<th align="justify">analyses No.</th>
								<th align="center">257</th>
								<th align="center">258</th>
								<th align="center">259</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td align="justify">Lester %</td>
								<td align="center">&#xa0;</td>
								<td align="center">&#xa0;</td>
								<td align="center">&#xa0;</td>
							</tr>
							<tr>
								<td align="center"> S </td>
								<td align="center"> 0,02 </td>
								<td align="center"> 0,23 </td>
								<td align="center"> 17,48 </td>
							</tr>
							<tr>
								<td align="center"> Fe </td>
								<td align="center"> 0,87 </td>
								<td align="center"> 1,92 </td>
								<td align="center"> 2,32 </td>
							</tr>
							<tr>
								<td align="center"> Co </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,07 </td>
							</tr>
							<tr>
								<td align="center"> Ni </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,13 </td>
							</tr>
							<tr>
								<td align="center"> Cu </td>
								<td align="center"> - </td>
								<td align="center"> 0,06 </td>
								<td align="center"> 0,03 </td>
							</tr>
							<tr>
								<td align="center"> Zn </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> As </td>
								<td align="center"> - </td>
								<td align="center"> 0,05 </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> Ag </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
								<td align="center"> 0,04 </td>
							</tr>
							<tr>
								<td align="center"> Sb </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> Sn </td>
								<td align="center"> - </td>
								<td align="center"> 0,00 </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> W </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> Au </td>
								<td align="center"> 0,01 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> Hg </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> Pb </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,40 </td>
							</tr>
							<tr>
								<td align="center"> Total </td>
								<td align="center"> 0,90 </td>
								<td align="center"> 2,27 </td>
								<td align="center"> 20,47 </td>
							</tr>
							<tr>
								<td align="center">Atome %</td>
								<td align="center">&#xa0;</td>
								<td align="center">&#xa0;</td>
								<td align="center">&#xa0;</td>
							</tr>
							<tr>
								<td align="center"> S </td>
								<td align="center"> 4,46 </td>
								<td align="center"> 16,57 </td>
								<td align="center"> 91,94 </td>
							</tr>
							<tr>
								<td align="center"> Fe </td>
								<td align="center"> 95,26 </td>
								<td align="center"> 79,53 </td>
								<td align="center"> 7,02 </td>
							</tr>
							<tr>
								<td align="center"> Co </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,21 </td>
							</tr>
							<tr>
								<td align="center"> Ni </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,36 </td>
							</tr>
							<tr>
								<td align="center"> Cu </td>
								<td align="center"> - </td>
								<td align="center"> 2,26 </td>
								<td align="center"> 0,08 </td>
							</tr>
							<tr>
								<td align="center"> Zn </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> As </td>
								<td align="center"> - </td>
								<td align="center"> 1,57 </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> Ag </td>
								<td align="center"> 0,12 </td>
								<td align="center"> - </td>
								<td align="center"> 0,06 </td>
							</tr>
							<tr>
								<td align="center"> Sb </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> Sn </td>
								<td align="center"> - </td>
								<td align="center"> 0,08 </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> W </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> Au </td>
								<td align="center"> 0,17 </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> Hg </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
							</tr>
							<tr>
								<td align="center"> Pb </td>
								<td align="center"> - </td>
								<td align="center"> - </td>
								<td align="center"> 0,32 </td>
							</tr>
							<tr>
								<td align="center"> Total </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
								<td align="center"> 100,00 </td>
							</tr>
							<tr>
								<td align="center">Min&#xe9;ral</td>
								<td align="center">Bismuth m&#xe9;tal</td>
								<td align="left"> </td>
								<td align="center">BiS2</td>
							</tr>
						</tbody>
					</table>
				</table-wrap>
			</sec>
			<sec id="sec5.6">
				<title>Gal&#xe8;ne (PbS) et Sphal&#xe9;rite (ZnS)</title>
				<p>La gal&#xe8;ne et la sphal&#xe9;rite sont assez abondantes dans les cristaux de quartz (47.06 - 49,90 % Pb) pour la gal&#xe8;ne et (37,79 - 44,61 % Zn) pour la sphal&#xe9;rite, dans de petites zones x&#xe9;nomorphes associ&#xe9;es &#xe0; la pyrite et chalcopyrite (<xref ref-type="table" rid="t8">Tableaux. 5</xref> et <xref ref-type="table" rid="t9">6</xref>).</p>
				<table-wrap id="t8">
					<label>Tableau 5</label>
					<caption>
						<title>R&#xe9;sultats des analyses microsondes de la gal&#xe8;ne (S25/9 Analyses 41-54).</title>
					</caption>
					<table>
						<colgroup>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="left">Echantillons</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
							</tr>
							<tr>
								<th align="left">analyses No.</th>
								<th align="justify">41</th>
								<th align="justify">42</th>
								<th align="justify">43</th>
								<th align="justify">44</th>
								<th align="justify">45</th>
								<th align="justify">46</th>
								<th align="justify">47</th>
								<th align="justify">48</th>
								<th align="justify">49</th>
								<th align="justify">50</th>
								<th align="justify">51</th>
								<th align="justify">52</th>
								<th align="justify">53</th>
								<th align="justify">54</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td align="left">Lester %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left">S</td>
								<td align="justify">13,34</td>
								<td align="justify">13,36</td>
								<td align="justify">13,06</td>
								<td align="justify">13,60</td>
								<td align="justify">13,64</td>
								<td align="justify">13,42</td>
								<td align="justify">13,25</td>
								<td align="justify">13,30</td>
								<td align="justify">13,61</td>
								<td align="justify">13,36</td>
								<td align="justify">13,58</td>
								<td align="justify">13,07</td>
								<td align="justify">13,27</td>
								<td align="justify">13,32</td>
							</tr>
							<tr>
								<td align="left">Fe</td>
								<td align="justify">0,12</td>
								<td align="justify">-</td>
								<td align="justify">0,04</td>
								<td align="justify">0,08</td>
								<td align="justify">0,16</td>
								<td align="justify">0,05</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,05</td>
								<td align="justify">0,07</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,12</td>
							</tr>
							<tr>
								<td align="left">Co</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,05</td>
								<td align="justify">0,11</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,12</td>
							</tr>
							<tr>
								<td align="left">Ni</td>
								<td align="justify">-</td>
								<td align="justify">0,09</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,05</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">0,07</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">0,02</td>
							</tr>
							<tr>
								<td align="left">Cu</td>
								<td align="justify">0,08</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,11</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,08</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,18</td>
							</tr>
							<tr>
								<td align="left">Zn</td>
								<td align="justify">1,13</td>
								<td align="justify">0,19</td>
								<td align="justify">0,08</td>
								<td align="justify">2,02</td>
								<td align="justify">1,30</td>
								<td align="justify">1,71</td>
								<td align="justify">1,05</td>
								<td align="justify">0,12</td>
								<td align="justify">0,06</td>
								<td align="justify">0,32</td>
								<td align="justify">1,20</td>
								<td align="justify">0,25</td>
								<td align="justify">0,16</td>
								<td align="justify">0,89</td>
							</tr>
							<tr>
								<td align="left">As</td>
								<td align="justify">0,06</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">0,04</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
								<td align="justify">0,06</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Ag</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
							</tr>
							<tr>
								<td align="left">Sb</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Sn</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">W</td>
								<td align="justify">-</td>
								<td align="justify">0,09</td>
								<td align="justify">0,01</td>
								<td align="justify">0,06</td>
								<td align="justify">-</td>
								<td align="justify">0,05</td>
								<td align="justify">0,02</td>
								<td align="justify">0,02</td>
								<td align="justify">0,01</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Au</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,05</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Hg</td>
								<td align="justify">0,15</td>
								<td align="justify">-</td>
								<td align="justify">0,23</td>
								<td align="justify">0,17</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
								<td align="justify">0,08</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,04</td>
							</tr>
							<tr>
								<td align="left">Pb</td>
								<td align="justify">85,89</td>
								<td align="justify">85,66</td>
								<td align="justify">84,69</td>
								<td align="justify">84,94</td>
								<td align="justify">84,27</td>
								<td align="justify">84,61</td>
								<td align="justify">85,42</td>
								<td align="justify">84,77</td>
								<td align="justify">85,20</td>
								<td align="justify">84,75</td>
								<td align="justify">84,64</td>
								<td align="justify">84,94</td>
								<td align="justify">84,78</td>
								<td align="justify">85,04</td>
							</tr>
							<tr>
								<td align="left">Total</td>
								<td align="justify">100,77</td>
								<td align="justify">99,39</td>
								<td align="justify">98,17</td>
								<td align="justify">101,09</td>
								<td align="justify">99,48</td>
								<td align="justify">99,95</td>
								<td align="justify">99,83</td>
								<td align="justify">98,24</td>
								<td align="justify">99,00</td>
								<td align="justify">98,59</td>
								<td align="justify">99,50</td>
								<td align="justify">98,26</td>
								<td align="justify">98,22</td>
								<td align="justify">99,73</td>
							</tr>
							<tr>
								<td align="left">Atome %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left">S</td>
								<td align="justify">48,79</td>
								<td align="justify">49,91</td>
								<td align="justify">49,67</td>
								<td align="justify">48,69</td>
								<td align="justify">49,67</td>
								<td align="justify">48,94</td>
								<td align="justify">49,07</td>
								<td align="justify">50,19</td>
								<td align="justify">50,61</td>
								<td align="justify">50,03</td>
								<td align="justify">49,72</td>
								<td align="justify">49,63</td>
								<td align="justify">50,14</td>
								<td align="justify">49,06</td>
							</tr>
							<tr>
								<td align="left">Fe</td>
								<td align="justify">0,24</td>
								<td align="justify">-</td>
								<td align="justify">0,10</td>
								<td align="justify">0,17</td>
								<td align="justify">0,34</td>
								<td align="justify">0,11</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,10</td>
								<td align="justify">0,16</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,25</td>
							</tr>
							<tr>
								<td align="left">Co</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,10</td>
								<td align="justify">0,21</td>
								<td align="justify">-</td>
								<td align="justify">0,06</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,23</td>
							</tr>
							<tr>
								<td align="left">Ni</td>
								<td align="justify">-</td>
								<td align="justify">0,17</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,11</td>
								<td align="justify">-</td>
								<td align="justify">0,02</td>
								<td align="justify">-</td>
								<td align="justify">0,15</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">0,05</td>
							</tr>
							<tr>
								<td align="left">Cu</td>
								<td align="justify">0,15</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,19</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,15</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,32</td>
							</tr>
							<tr>
								<td align="left">Zn</td>
								<td align="justify">2,03</td>
								<td align="justify">0,35</td>
								<td align="justify">0,15</td>
								<td align="justify">3,55</td>
								<td align="justify">2,33</td>
								<td align="justify">3,06</td>
								<td align="justify">1,91</td>
								<td align="justify">0,22</td>
								<td align="justify">0,10</td>
								<td align="justify">0,59</td>
								<td align="justify">2,15</td>
								<td align="justify">0,47</td>
								<td align="justify">0,29</td>
								<td align="justify">1,61</td>
							</tr>
							<tr>
								<td align="left">As</td>
								<td align="justify">0,09</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">0,07</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,05</td>
								<td align="justify">-</td>
								<td align="justify">0,10</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Ag</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
							</tr>
							<tr>
								<td align="left">Sb</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Sn</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">W</td>
								<td align="justify">-</td>
								<td align="justify">0,06</td>
								<td align="justify">0,01</td>
								<td align="justify">0,04</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
								<td align="justify">0,01</td>
								<td align="justify">0,02</td>
								<td align="justify">0,01</td>
								<td align="justify">0,02</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Au</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Hg</td>
								<td align="justify">0,09</td>
								<td align="justify">-</td>
								<td align="justify">0,14</td>
								<td align="justify">0,10</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">0,05</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
							</tr>
							<tr>
								<td align="left">Pb</td>
								<td align="justify">48,61</td>
								<td align="justify">49,50</td>
								<td align="justify">49,83</td>
								<td align="justify">47,06</td>
								<td align="justify">47,48</td>
								<td align="justify">47,75</td>
								<td align="justify">48,94</td>
								<td align="justify">49,52</td>
								<td align="justify">49,03</td>
								<td align="justify">49,12</td>
								<td align="justify">47,97</td>
								<td align="justify">49,90</td>
								<td align="justify">49,56</td>
								<td align="justify">48,46</td>
							</tr>
							<tr>
								<td align="left">Total</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
							</tr>
							<tr>
								<td align="left">Min&#xe9;ral</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
								<td align="justify">Gal&#xe8;ne</td>
							</tr>
						</tbody>
					</table>
				</table-wrap>
				<table-wrap id="t9">
					<label>Tableau 6</label>
					<caption>
						<title>R&#xe9;sultats des analyses microsondes de la sphal&#xe9;rite (S25/9 Analyses 66-79 et 106-113) </title>
					</caption>
					<table>
						<colgroup>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="left">Echantillons</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
								<th align="justify">25-9</th>
							</tr>
							<tr>
								<th align="left">analyses No.</th>
								<th align="justify">66</th>
								<th align="justify">67</th>
								<th align="justify">68</th>
								<th align="justify">69</th>
								<th align="justify">70</th>
								<th align="justify">71</th>
								<th align="justify">72</th>
								<th align="justify">73</th>
								<th align="justify">74</th>
								<th align="justify">75</th>
								<th align="justify">76</th>
								<th align="justify">77</th>
								<th align="justify">78</th>
								<th align="justify">79</th>
								<th align="justify">106</th>
								<th align="justify">107</th>
								<th align="justify">108</th>
								<th align="justify">109</th>
								<th align="justify">110</th>
								<th align="justify">111</th>
								<th align="justify">112</th>
								<th align="justify">113</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td align="left">Lester %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left">S</td>
								<td align="justify">33,50</td>
								<td align="justify">33,41</td>
								<td align="justify">33,51</td>
								<td align="justify">33,39</td>
								<td align="justify">33,55</td>
								<td align="justify">33,19</td>
								<td align="justify">33,56</td>
								<td align="justify">33,28</td>
								<td align="justify">33,36</td>
								<td align="justify">32,82</td>
								<td align="justify">33,52</td>
								<td align="justify">33,65</td>
								<td align="justify">34,03</td>
								<td align="justify">33,88</td>
								<td align="justify">33,39</td>
								<td align="justify">33,23</td>
								<td align="justify">33,48</td>
								<td align="justify">33,34</td>
								<td align="justify">33,11</td>
								<td align="justify">33,66</td>
								<td align="justify">34,11</td>
								<td align="justify">33,08</td>
							</tr>
							<tr>
								<td align="left">Fe</td>
								<td align="justify">10,31</td>
								<td align="justify">9,24</td>
								<td align="justify">10,77</td>
								<td align="justify">10,36</td>
								<td align="justify">11,21</td>
								<td align="justify">10,02</td>
								<td align="justify">10,68</td>
								<td align="justify">10,11</td>
								<td align="justify">11,26</td>
								<td align="justify">8,99</td>
								<td align="justify">11,12</td>
								<td align="justify">6,39</td>
								<td align="justify">8,50</td>
								<td align="justify">5,15</td>
								<td align="justify">10,33</td>
								<td align="justify">11,20</td>
								<td align="justify">11,36</td>
								<td align="justify">10,12</td>
								<td align="justify">10,00</td>
								<td align="justify">10,85</td>
								<td align="justify">10,92</td>
								<td align="justify">10,07</td>
							</tr>
							<tr>
								<td align="left">Co</td>
								<td align="justify">0,05</td>
								<td align="justify">-</td>
								<td align="justify">0,04</td>
								<td align="justify">0,07</td>
								<td align="justify">0,01</td>
								<td align="justify">0,08</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
								<td align="justify">0,04</td>
								<td align="justify">-</td>
								<td align="justify">0,07</td>
								<td align="justify">0,02</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,06</td>
								<td align="justify">0,03</td>
								<td align="justify">0,02</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Ni</td>
								<td align="justify">0,02</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,05</td>
								<td align="justify">0,03</td>
								<td align="justify">0,05</td>
								<td align="justify">-</td>
								<td align="justify">0,05</td>
								<td align="justify">0,05</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Cu</td>
								<td align="justify">0,05</td>
								<td align="justify">0,04</td>
								<td align="justify">0,04</td>
								<td align="justify">0,17</td>
								<td align="justify">0,07</td>
								<td align="justify">0,57</td>
								<td align="justify">0,10</td>
								<td align="justify">0,01</td>
								<td align="justify">2,57</td>
								<td align="justify">0,12</td>
								<td align="justify">0,23</td>
								<td align="justify">0,00</td>
								<td align="justify">0,16</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,28</td>
								<td align="justify">0,26</td>
								<td align="justify">1,08</td>
								<td align="justify">0,12</td>
								<td align="justify">0,10</td>
								<td align="justify">0,11</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Zn</td>
								<td align="justify">54,65</td>
								<td align="justify">56,01</td>
								<td align="justify">54,54</td>
								<td align="justify">55,56</td>
								<td align="justify">54,24</td>
								<td align="justify">55,46</td>
								<td align="justify">54,54</td>
								<td align="justify">56,21</td>
								<td align="justify">51,08</td>
								<td align="justify">56,66</td>
								<td align="justify">54,05</td>
								<td align="justify">59,18</td>
								<td align="justify">57,44</td>
								<td align="justify">60,92</td>
								<td align="justify">55,04</td>
								<td align="justify">54,13</td>
								<td align="justify">54,31</td>
								<td align="justify">54,28</td>
								<td align="justify">55,32</td>
								<td align="justify">54,43</td>
								<td align="justify">54,54</td>
								<td align="justify">54,39</td>
							</tr>
							<tr>
								<td align="left">As</td>
								<td align="justify">0,06</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,17</td>
								<td align="justify">-</td>
								<td align="justify">0,06</td>
								<td align="justify">0,05</td>
								<td align="justify">0,02</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">0,11</td>
								<td align="justify">0,02</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">0,04</td>
								<td align="justify">0,12</td>
								<td align="justify">-</td>
								<td align="justify">0,07</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Ag</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,02</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,07</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Sb</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,02</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Sn</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,18</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">W</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">0,07</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,12</td>
								<td align="justify">-</td>
								<td align="justify">0,02</td>
								<td align="justify">0,11</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,05</td>
								<td align="justify">0,02</td>
								<td align="justify">0,09</td>
								<td align="justify">0,11</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Au</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,02</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Hg</td>
								<td align="justify">0,46</td>
								<td align="justify">0,48</td>
								<td align="justify">0,25</td>
								<td align="justify">0,30</td>
								<td align="justify">0,35</td>
								<td align="justify">0,55</td>
								<td align="justify">0,24</td>
								<td align="justify">0,48</td>
								<td align="justify">0,25</td>
								<td align="justify">0,56</td>
								<td align="justify">0,37</td>
								<td align="justify">0,33</td>
								<td align="justify">0,49</td>
								<td align="justify">0,47</td>
								<td align="justify">0,32</td>
								<td align="justify">0,51</td>
								<td align="justify">0,47</td>
								<td align="justify">0,42</td>
								<td align="justify">0,43</td>
								<td align="justify">0,48</td>
								<td align="justify">0,41</td>
								<td align="justify">0,18</td>
							</tr>
							<tr>
								<td align="left">Pb</td>
								<td align="justify">0,56</td>
								<td align="justify">0,35</td>
								<td align="justify">0,52</td>
								<td align="justify">0,44</td>
								<td align="justify">0,45</td>
								<td align="justify">0,39</td>
								<td align="justify">0,51</td>
								<td align="justify">0,52</td>
								<td align="justify">0,46</td>
								<td align="justify">0,42</td>
								<td align="justify">0,47</td>
								<td align="justify">0,38</td>
								<td align="justify">0,50</td>
								<td align="justify">0,51</td>
								<td align="justify">0,35</td>
								<td align="justify">0,37</td>
								<td align="justify">0,49</td>
								<td align="justify">0,39</td>
								<td align="justify">0,39</td>
								<td align="justify">0,34</td>
								<td align="justify">0,41</td>
								<td align="justify">0,53</td>
							</tr>
							<tr>
								<td align="left">Total</td>
								<td align="justify">99,67</td>
								<td align="justify">99,55</td>
								<td align="justify">99,69</td>
								<td align="justify">100,46</td>
								<td align="justify">99,94</td>
								<td align="justify">100,32</td>
								<td align="justify">99,67</td>
								<td align="justify">100,62</td>
								<td align="justify">99,00</td>
								<td align="justify">99,59</td>
								<td align="justify">99,80</td>
								<td align="justify">100,07</td>
								<td align="justify">101,30</td>
								<td align="justify">101,25</td>
								<td align="justify">99,57</td>
								<td align="justify">99,77</td>
								<td align="justify">100,36</td>
								<td align="justify">99,92</td>
								<td align="justify">99,59</td>
								<td align="justify">99,98</td>
								<td align="justify">100,70</td>
								<td align="justify">98,25</td>
							</tr>
							<tr>
								<td align="left">Atome %</td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="left">S</td>
								<td align="justify">50,40</td>
								<td align="justify">50,36</td>
								<td align="justify">50,31</td>
								<td align="justify">49,92</td>
								<td align="justify">50,25</td>
								<td align="justify">49,80</td>
								<td align="justify">50,38</td>
								<td align="justify">49,80</td>
								<td align="justify">50,32</td>
								<td align="justify">49,73</td>
								<td align="justify">50,27</td>
								<td align="justify">50,62</td>
								<td align="justify">50,49</td>
								<td align="justify">50,59</td>
								<td align="justify">50,24</td>
								<td align="justify">49,96</td>
								<td align="justify">50,03</td>
								<td align="justify">50,10</td>
								<td align="justify">49,96</td>
								<td align="justify">50,39</td>
								<td align="justify">50,63</td>
								<td align="justify">50,39</td>
							</tr>
							<tr>
								<td align="left">Fe</td>
								<td align="justify">8,91</td>
								<td align="justify">7,99</td>
								<td align="justify">9,28</td>
								<td align="justify">8,89</td>
								<td align="justify">9,64</td>
								<td align="justify">8,63</td>
								<td align="justify">9,20</td>
								<td align="justify">8,69</td>
								<td align="justify">9,75</td>
								<td align="justify">7,82</td>
								<td align="justify">9,57</td>
								<td align="justify">5,52</td>
								<td align="justify">7,24</td>
								<td align="justify">4,41</td>
								<td align="justify">8,92</td>
								<td align="justify">9,67</td>
								<td align="justify">9,74</td>
								<td align="justify">8,73</td>
								<td align="justify">8,66</td>
								<td align="justify">9,32</td>
								<td align="justify">9,31</td>
								<td align="justify">8,81</td>
							</tr>
							<tr>
								<td align="left">Co</td>
								<td align="justify">0,04</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
								<td align="justify">0,05</td>
								<td align="justify">0,00</td>
								<td align="justify">0,06</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,02</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
								<td align="justify">0,06</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,05</td>
								<td align="justify">0,03</td>
								<td align="justify">0,02</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Ni</td>
								<td align="justify">0,01</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,04</td>
								<td align="justify">0,03</td>
								<td align="justify">0,04</td>
								<td align="justify">-</td>
								<td align="justify">0,04</td>
								<td align="justify">0,04</td>
								<td align="justify">0,02</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Cu</td>
								<td align="justify">0,04</td>
								<td align="justify">0,03</td>
								<td align="justify">0,03</td>
								<td align="justify">0,13</td>
								<td align="justify">0,05</td>
								<td align="justify">0,43</td>
								<td align="justify">0,07</td>
								<td align="justify">0,01</td>
								<td align="justify">1,95</td>
								<td align="justify">0,09</td>
								<td align="justify">0,17</td>
								<td align="justify">0,00</td>
								<td align="justify">0,12</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,21</td>
								<td align="justify">0,19</td>
								<td align="justify">0,82</td>
								<td align="justify">0,09</td>
								<td align="justify">0,07</td>
								<td align="justify">0,08</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Zn</td>
								<td align="justify">40,32</td>
								<td align="justify">41,40</td>
								<td align="justify">40,16</td>
								<td align="justify">40,73</td>
								<td align="justify">39,85</td>
								<td align="justify">40,82</td>
								<td align="justify">40,15</td>
								<td align="justify">41,26</td>
								<td align="justify">37,79</td>
								<td align="justify">42,11</td>
								<td align="justify">39,76</td>
								<td align="justify">43,66</td>
								<td align="justify">41,79</td>
								<td align="justify">44,61</td>
								<td align="justify">40,62</td>
								<td align="justify">39,91</td>
								<td align="justify">39,81</td>
								<td align="justify">40,00</td>
								<td align="justify">40,94</td>
								<td align="justify">39,96</td>
								<td align="justify">39,70</td>
								<td align="justify">40,63</td>
							</tr>
							<tr>
								<td align="left">As</td>
								<td align="justify">0,04</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,11</td>
								<td align="justify">-</td>
								<td align="justify">0,04</td>
								<td align="justify">0,03</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">0,07</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">0,03</td>
								<td align="justify">0,08</td>
								<td align="justify">-</td>
								<td align="justify">0,04</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Ag</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Sb</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Sn</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,07</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">W</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">0,02</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,01</td>
								<td align="justify">0,01</td>
								<td align="justify">0,02</td>
								<td align="justify">0,03</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Au</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">0,00</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
								<td align="justify">-</td>
							</tr>
							<tr>
								<td align="left">Hg</td>
								<td align="justify">0,11</td>
								<td align="justify">0,12</td>
								<td align="justify">0,06</td>
								<td align="justify">0,07</td>
								<td align="justify">0,08</td>
								<td align="justify">0,13</td>
								<td align="justify">0,06</td>
								<td align="justify">0,11</td>
								<td align="justify">0,06</td>
								<td align="justify">0,14</td>
								<td align="justify">0,09</td>
								<td align="justify">0,08</td>
								<td align="justify">0,12</td>
								<td align="justify">0,11</td>
								<td align="justify">0,08</td>
								<td align="justify">0,12</td>
								<td align="justify">0,11</td>
								<td align="justify">0,10</td>
								<td align="justify">0,10</td>
								<td align="justify">0,11</td>
								<td align="justify">0,10</td>
								<td align="justify">0,04</td>
							</tr>
							<tr>
								<td align="left">Pb</td>
								<td align="justify">0,13</td>
								<td align="justify">0,08</td>
								<td align="justify">0,12</td>
								<td align="justify">0,10</td>
								<td align="justify">0,10</td>
								<td align="justify">0,09</td>
								<td align="justify">0,12</td>
								<td align="justify">0,12</td>
								<td align="justify">0,11</td>
								<td align="justify">0,10</td>
								<td align="justify">0,11</td>
								<td align="justify">0,09</td>
								<td align="justify">0,11</td>
								<td align="justify">0,12</td>
								<td align="justify">0,08</td>
								<td align="justify">0,09</td>
								<td align="justify">0,11</td>
								<td align="justify">0,09</td>
								<td align="justify">0,09</td>
								<td align="justify">0,08</td>
								<td align="justify">0,09</td>
								<td align="justify">0,12</td>
							</tr>
							<tr>
								<td align="left">Total</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
								<td align="justify">100,00</td>
							</tr>
							<tr>
								<td align="left">Min&#xe9;ral</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
								<td align="justify">Sphal&#xe9;rite</td>
							</tr>
						</tbody>
					</table>
				</table-wrap>
			</sec>
			<sec id="sec5.7">
				<title>Or natif</title>
				<p>L&#x2019;or natif repr&#xe9;sente le composant principal des minerais en question. Dans les concentr&#xe9;s de broyage des minerais frais, l&#x2019;or est extr&#xea;mement rare (seulement par 1-2 grains dans 6 &#xe9;chantillons et ceci dans les &#xe9;chantillons qui ne sont pas les plus riches). Les &#xe9;tudes des lames polies montrent que la majorit&#xe9; absolue des micro-paillettes d&#x2019;or pr&#xe9;sente des dimensions tr&#xe8;s petites (de 0,1 mm; rarement 0.5-1 mm). On note parfois des regroupements des micro-paillettes en nids. On note aussi une liaison assez intime entre l&#x2019;or et le bismuth natif. En outre, l&#x2019;or remplit les microfissures dans le quartz, tourmaline et surtout pyrite. En outre l&#x2019;or entoure les surfaces des grains de sulfures.</p>
				<p>Le comportement de l&#x2019;or dans les minerais oxyd&#xe9;s est particulier. L&#x2019;or s&#x2019;accumule en agr&#xe9;gats plus gros que ceux des minerais frais, ce qui permet facilement de le d&#xe9;celer dans les concentr&#xe9;s artificiels. </p>
				<p>Dans ce cas les grains d&#x2019;or ont des formes irr&#xe9;guli&#xe8;res capricieuses, ils sont souvent dendritiques, tubercul&#xe9;es, r&#xe9;niformes ou cristallines. </p>
				<p>Dans les minerais s&#x2019;observent un peu partout de faibles traces de min&#xe9;raux accessoires: zircon, monazite, apatite et rutile, ce dernier est en partie substitu&#xe9; par le leucox&#xe8;ne.</p>
				<p>L&#x2019;&#xe9;tude macroscopique de quelques &#xe9;chantillons pr&#xe9;lev&#xe9;s dans les sondages a &#xe9;t&#xe9; r&#xe9;alis&#xe9;e dans la zone n&#xb0;1 (<xref ref-type="fig" rid="f15">Fig. 15</xref>). Elle montre une roche de couleur sombre (noire) compacte. Il s&#x2019;agit d&#x2019;un gabbro recoup&#xe9; par un filonnet de quartz &#xe0; tourmaline avec des cristaux et veinules de pyrite qui remplit les fissures de quartz &#xe0; tourmaline et une plage d&#x2019;or natif visible &#xe0; l&#x2019;&#x153;il nu.</p>
				<fig id="f15">
					<label>Figure 15</label>
					<caption>
						<title>Filonnet de quartz &#xe0; tourmaline avec une plage d&#x2019;or natif visible &#xe0; l&#x2019;&#x153;il nu et cristaux d&#x2019;or natif diss&#xe9;min&#xe9;s</title>
					</caption>
					<graphic id="gra-15" xlink:href="EGEOL-79-02-e158-gf15.png"/>
					<attrib>(<xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>)</attrib>
				</fig>
				<p>Les grains et flocons de l&#x2019;or natif sont visibles &#xe0; l&#x2019;&#x153;il nu &#xe0; la surface de quelques &#xe9;chantillons. L&#x2019;&#xe9;tude microscopique montre que la majorit&#xe9; des micro-paillettes d&#x2019;or ont des dimensions visuelles de 0,1 mm, rarement 0,5-1 mm. L&#x2019;or natif remplit les microfissures dans les filons de quartz &#xe0; tourmaline et surtout la pyrite (<xref ref-type="fig" rid="f16">Fig. 16</xref>).</p>
				<fig id="f16">
					<label>Figure 16</label>
					<caption>
						<title>L&#x2019;or natif (plages et micro-veinules) &#xe0; l&#x2019;int&#xe9;rieur des flons de quartz dans un &#xe9;chantillon de gabbros (secteur central) LPA GX5</title>
					</caption>
					<graphic id="gra-16" xlink:href="EGEOL-79-02-e158-gf16.png"/>
					<attrib>(<xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>)</attrib>
				</fig>
			</sec>
			<sec id="sec5.8">
				<title>Topaze, wolframite, molybd&#xe9;nite</title>
				<p>Il s&#x2019;agit de rares min&#xe9;raux rencontr&#xe9;s dans des zones intens&#xe9;ment greisenis&#xe9;es, au sein des veinules encaiss&#xe9;es dans les dykes de microgranites-aplites, c&#x2019;est le r&#xe9;sultat de transformation des aplites en un assemblage quartz-tourmaline-muscovite-pyrite. La topaze, la cassit&#xe9;rite, la molybd&#xe9;nite et la wolframite sont souvent pr&#xe9;sentes dans le greisen ainsi que dans les filons de quartz.</p>
			</sec>
			<sec id="sec5.9">
				<title>Oxydes, oxydes de fer et hydroxydes de fer</title>
				<p>Les min&#xe9;raux m&#xe9;tallif&#xe8;res sont accompagn&#xe9;s avec les oxydes (rutile, ilm&#xe9;nite), oxydes de fer (h&#xe9;matite) et hydroxydes de fer (goethite et limonite). </p>
				<p>Les &#xe9;tudes microscopiques nous on permit d&#x2019;&#xe9;tablir une succession paragenetique min&#xe9;rale r&#xe9;sum&#xe9;e dans le <xref ref-type="table" rid="t10">tableau 7</xref>.</p>
				<table-wrap id="t10">
					<label>Tableau 7</label>
					<caption>
						<title>Paragen&#xe8;se mineral du gisement d&#x2019;In-Abeggui (<xref ref-type="bibr" rid="B13">Boutrika, 2019</xref>)</title>
					</caption>
					<table>
						<colgroup>
							<col/>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="right">&#xc9;tapes / Min&#xe9;ralogie</th>
								<th align="center">Stade de greisen</th>
								<th align="center">Stade d&#x2019;Or</th>
								<th align="center">Stade Superg&#xe8;ne</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td align="center">Quartz</td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i017.png"/>
								</td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i017.png"/>
								</td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Tourmaline</td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i017.png"/>
								</td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i017.png"/>
								</td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Muscovite</td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i018.png"/>
								</td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Topaze </td>
								<td align="right">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i019.png"/>
								</td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Wolframite</td>
								<td align="right">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i020.png"/>
								</td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Molybd&#xe9;nite</td>
								<td align="right">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i020.png"/>
								</td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Pyrite</td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i017.png"/>
								</td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Ars&#xe9;nopyrite</td>
								<td align="right">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i019.png"/>
								</td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Pyrrhotite</td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i019.png"/>
								</td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Chalcopyrite</td>
								<td align="right">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i019.png"/>
								</td>
								<td align="left"> </td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Bismuthinite</td>
								<td align="left"> </td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i020.png"/>
								</td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Bismuth native</td>
								<td align="left"> </td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i020.png"/>
								</td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Gal&#xe8;ne</td>
								<td align="left"> </td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i019.png"/>
								</td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Sphal&#xe9;rite</td>
								<td align="left"> </td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i019.png"/>
								</td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Or native</td>
								<td align="left"> </td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i019.png"/>
								</td>
								<td align="left"> </td>
							</tr>
							<tr>
								<td align="center">Oxydes et hydroxydes de fer</td>
								<td align="left"> </td>
								<td align="center"> </td>
								<td align="center">
									<inline-graphic xlink:href="EGEOL-79-02-e158-i017.png"/>
								</td>
							</tr>
						</tbody>
					</table>
				</table-wrap>
			</sec>
			<sec id="sec5.10">
				<title>Alt&#xe9;ration hydrothermale</title>
				<p>Les formations g&#xe9;ologiques du gisement d&#x2019;In Abeggui sont affect&#xe9;es par une alt&#xe9;ration hydrothermale caract&#xe9;ris&#xe9;e par la s&#xe9;ricite-quartz &#xe0; tourmaline et carbonates.</p>
				<p>L&#x2019;alt&#xe9;ration qui se d&#xe9;veloppe le plus souvent aux d&#xe9;pens des min&#xe9;raux silicat&#xe9;s est caract&#xe9;ris&#xe9;e par l&#x2019;association: s&#xe9;ricite - chlorite.</p>
				<p>La calcite appara&#xee;t dans de nombreux indices min&#xe9;ralis&#xe9;s encaiss&#xe9;s dans des m&#xe9;tagr&#xe8;s, leptynites, pelites, diorites et m&#xe9;ta-volcanites, soit sous forme de remplissage de veinules, soit sous forme de cristaux interstitiels. L&#x2019;alt&#xe9;ration in situ de certains min&#xe9;raux (plagioclases, amphiboles, pyrox&#xe8;nes) donne de la calcite associ&#xe9;e g&#xe9;n&#xe9;ralement &#xe0; de l&#x2019;&#xe9;pidote, de la chlorite, du quartz et des min&#xe9;raux opaques.</p>
				<p>L&#x2019;alt&#xe9;ration phyllique la plus fr&#xe9;quente sur le terrain, est caract&#xe9;ris&#xe9;e par: Tourmaline + s&#xe9;ricite + quartz + pyrite (? chalcopyrite). Cette alt&#xe9;ration est fr&#xe9;quente dans les d&#xe9;p&#xf4;ts sulfur&#xe9;s.</p>
				<p>Les plagioclases sont les min&#xe9;raux qui se transforment le plus souvent en s&#xe9;ricite.</p>
			</sec>
		</sec>
		<sec id="sec6" sec-type="conclusions">
			<title>Conclusion</title>
			<p>Dans le gisement d&#x2019;In-Abeggui les min&#xe9;ralisations aurif&#xe8;res se sont d&#xe9;pos&#xe9;es pendant la phase tardive de l&#x2019;orogen&#xe8;se panafricaine (<xref ref-type="bibr" rid="B2">A&#xef;ssa et al. 2005</xref>), dans les m&#xea;mes conditions que les gisements aurif&#xe8;res de la ceinture NE de S&#xe9;rido (Br&#xe9;sil) et la ceinture panafricaine de la plaque arabique) (<xref ref-type="bibr" rid="B8">Arau&#x2019;jo et al.<italic>,</italic> 2002</xref>). En g&#xe9;n&#xe9;ral les min&#xe9;ralisations aurif&#xe8;res exprim&#xe9;es dans le terrane de Laouni (Hoggar central) sont diff&#xe9;rentes des autres types du reste du Hoggar; elles ne sont pas li&#xe9;es aux grands accidents lithosph&#xe9;riques subm&#xe9;ridien. Mais elles sont localis&#xe9;es sur les marges de terranes.</p>
			<p>Les min&#xe9;ralisations aurif&#xe8;res d&#x2019;In Abeggui s&#x2019;expriment dans des filons de quartz &#xe0; tourmaline et dans des zones d&#x2019;alt&#xe9;rations hydrothermales, qui se manifestent le long des fractures de cisaillement orient&#xe9;es pr&#xe9;f&#xe9;rentiellement NNE. Elles se situent surtout &#xe0; la bordure nord du massif de gabbro, l&#xe0;, o&#xf9; la fracturation et les alt&#xe9;rations hydrothermales sont particuli&#xe8;rement marqu&#xe9;es sur une superficie de 2.5 Km&#xb2;.</p>
			<p>La longueur des zones min&#xe9;ralis&#xe9;es varie de quelques m&#xe8;tres &#xe0; des centaines de m&#xe8;tres, leurs puissance varie entre 0,1 et 6 m. Souvent les filons se regroupent sur de petites superficies (500 &#xe0; 600 m&#xb2;).</p>
			<p>Il existe deux g&#xe9;n&#xe9;rations de veines de quartz aurif&#xe8;res du gisement d&#x2019;In Abeggui.</p>
			<list list-type="bullet">
				<list-item>
					<p>Filons de quartz &#xe0; tourmaline &#xe0; dominante N30&#xb0; encaiss&#xe9; dans le massif de gabbro = veines 1.</p>
				</list-item>
				<list-item>
					<p>Stokwerk et veinules de quartz = veines 2, encaiss&#xe9;es dans des dykes felsiques recouvrant le syst&#xe8;me filonien1; ces veines de quartz remplissent des fentes de tension (N30&#xb0; E) et sont associ&#xe9;es &#xe0; une forte alt&#xe9;ration encaissante, les aplites se transformant en un assemblage quartz-tourmaline-muscovite-pyrite (greisen). La topaze &#xb1; la cassit&#xe9;rite &#xb1; la molybd&#xe9;nite &#xb1; le wolframite sont souvent pr&#xe9;sentes dans le greisen ainsi que dans les filons de quartz.</p>
				</list-item>
			</list>
			<p>Ces veines se distinguent par des paragen&#xe8;ses min&#xe9;rales qui sont plus vari&#xe9;es et complexes.</p>
			<p>En effet, en plus des min&#xe9;raux de bismuth (bismuth natif et bismuthinite), on rencontre une association min&#xe9;rale typique des greisen (topaze, cassit&#xe9;rite, molybd&#xe9;nite, wolframite); ainsi qu&#x2019;une abondance particuli&#xe8;re du rutile.</p>
			<p>Les veines aurif&#xe8;res encaiss&#xe9;es dans les dykes d&#x2019;aplites du secteur Interm&#xe9;diaire d&#x2019;In Abeggui centr&#xe9; sur une intrusion r&#xe9;duite sont tardives des veines aurif&#xe8;res encaiss&#xe9;s dans les filons de quartz &#xe0; tourmaline du central d&#x2019;In Abeggui. Le gisement d&#x2019;In Abeggui appara&#xee;t ainsi comme le cha&#xee;non manquant qui permet d&#x2019;associer au sein d&#x2019;un m&#xea;me quartier deux types de gisements apparemment d&#xe9;connect&#xe9;s: (1) W-greisens, peu acide et moins - d&#xe9;velopp&#xe9; et (2) gisement d&#x2019;or r&#xe9;duits (<xref ref-type="bibr" rid="B22">Marcoux, et al 2015</xref>).</p>
		</sec>
		<sec id="sec7">
			<title>Remerciements</title>
			<p>Je tiens &#xe0; remercier le Professeur &#xe9;m&#xe9;rite Michel J&#xe9;brak du D&#xe9;partement des sciences de la Terre et de l&#x2019;atmosph&#xe8;re de l&#x2019;Universit&#xe9; du Qu&#xe9;bec &#xe0; Montr&#xe9;al (UQ&#xc0;M), pour ses corrections, am&#xe9;lioration et enrichissement du manuscrit initial. Je remercier &#xe9;galement le deuxi&#xe8;me examinateur anonyme pour ses commentaires importants.</p>
			<p>Je tiens &#xe0; remercier l&#x2019;ORGM (Office National des Mines et G&#xe9;ologie de l&#x203a;Alg&#xe9;rie) pour l&#x2019;autorisation d&#x2019;acc&#xe8;s sur le gisement d&#x2019;In Abeggui ainsi que l&#x2019;utilisation des donn&#xe9;es g&#xe9;ologiques.</p>
			<p>Je remercie aussi &#xe0; l&#x2019;encontre des Professeurs Y. Osanai, K. Watanabe, et Docteur Yonezu (Universit&#xe9; Kyusyu, Japon, Facult&#xe9; de la Technologie), pour leur aide dans les analyses des &#xe9;chantillons.</p>
		</sec>
	</body>
	<back>
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