Un suelo referible al periodo calido medieval en Patagonia Austral y Tierra del Fuego (Argentina). Aspectos cronologicos y paleoclimaticos

C. M. Favier Dubois

doi:10.3989/egeol.02583-4114

Un suelo referible al periodo calido medieval en Patagonia Austral y Tierra del Fuego (Argentina). Aspectos cronologicos y paleoclimaticos

Authors

C. M. Favier Dubois INCUAPA - Departamento de Arqueología. Facultad de Ciencias Sociales. Universidad Nacional del Centro.

DOI:

https://doi.org/10.3989/egeol.02583-4114

Keywords:

Geoarchaeology, Southernmost Patagonia, Soils, Late Holocene, Medieval Warm Period

Abstract

Geoarchaeological work done in Southernmost Patagonia and in the north of Tierra del Fuego, have revealed the recurrent presence of a paedogenesis interval represented by a soil of an A-AC-C profile, with a mollic epipedon, in the upper section of eolian and colluvial deposits of the late Holocene. This soil is today buried in the sites that have been analyzed, while it remains exposed in other areas of the landscape. Radiocarbon dates obtained on materials placed below it (maximum ages) and those obtained by OCR (Oxidizable Carbon Ratio) in the AC horizon of this soil (minimum ages), indicate the beginning of its development around the year 1000 BP. Its chronology and environmental implications suggest a relationship with the medieval climatic fluctuations called Medieval Warm Period or Medieval Optimum in Europe. This period has correlates detected in Patagonia by dendroclimatic studies.

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Published

2002-08-30

How to Cite

Favier Dubois, C. M. (2002). Un suelo referible al periodo calido medieval en Patagonia Austral y Tierra del Fuego (Argentina). Aspectos cronologicos y paleoclimaticos. Estudios Geológicos, 58(3-4), 95–102. https://doi.org/10.3989/egeol.02583-4114

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Issue

Vol. 58 No. 3-4 (2002)

Section

Articles

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