Variabilidad química y mineralógica de las facies glauconíticas del sector norte del margen continental Mar de Alborán

M. C. Domínguez; E. García Romero; A. La Iglesia; J. V. Navarro Gascón; A. Santos Sánchez; C. Viedma Molero

doi:10.3989/egeol.98541-2202

Variabilidad química y mineralógica de las facies glauconíticas del sector norte del margen continental Mar de Alborán

Authors

M. C. Domínguez Departamento de Química Agrícola, Geología y Geoquímica. E. U. Santa María. Universidad Autónoma. Madrid
E. García Romero Departamento de Cristalografía y Mineralogía. Facultad Ciencias Geológicas. UCM
A. La Iglesia Instituto de Geología Económica. CSIC. Madrid
J. V. Navarro Gascón Instituto del Patrimonio Histórico Español. Madrid
A. Santos Sánchez Departamento de Cristalografía y Mineralogía. Facultad Química. Universidad Cádiz
C. Viedma Molero Instituto del Patrimonio Histórico Español. Madrid

DOI:

https://doi.org/10.3989/egeol.98541-2202

Keywords:

Glauconite, Alborán Sea

Abstract

Three morphological types in glauconite grains have been observed in shallow marine sediments from the Albertan Sea, off-shore Benalmádena (Malaga, Spain). The samples were taken at depths of 50 to 225 m XRD, SEM, and EPMA studies reveal a relationship between depth and different parameters such as colour, morphology, structure and chemistry of the glauconitic phase. As depth increases the mineral phase evolves form amorphous and/or smectitic types to the ordered 1M glauconite phases. This evolution is accompanied by an increase in K and Si and a depletion in Ca, Al and Fe.

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Published

1998-04-30

How to Cite

Domínguez, M. C., García Romero, E., La Iglesia, A., Navarro Gascón, J. V., Santos Sánchez, A., & Viedma Molero, C. (1998). Variabilidad química y mineralógica de las facies glauconíticas del sector norte del margen continental Mar de Alborán. Estudios Geológicos, 54(1-2), 17–24. https://doi.org/10.3989/egeol.98541-2202

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Issue

Vol. 54 No. 1-2 (1998)

Section

Articles

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