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El yacimiento de sepiolita-paligorskita de Sacramenia, Segovia.

Authors: Martín Pozas, J. M.; Martín Vivaldi, J. M.; Sánchez Camazano, M.;

El yacimiento de sepiolita-paligorskita de Sacramenia, Segovia.

Abstract

En este trabajo se presentan las investigaciones llevadas a cabo sobre un depósito de arcillas fibrosas relacionado a una cuenca sedimentaría de carácter continental. El depósito se encuentra ubicado en el norte de la provincia de Segovia, en la región suroriental de la Cuenca del Duero. En el techo del corte estudiado, existe un nivel de sepiolita, muy oscura, de un espesor entre uno y dos metros. Hacia el muro de la formación, separado del nivel de sepiolita por unos seis u ocho metros de materiales margocalízos, aparece un nivel de unos cuatro metros de potencia de paligorskita casi pura, con illita y cuarzo como minerales accesorios. A lo largo de todo el perfil se han estudiado los minerales de la arcilla asociados a los materiales margo-calizos, encontrándose, en casi todos los casos, además de sepiolita y/o paligorskita, minerales esmectíticos muy degradados en un estado tipo integrados. Parece claro que el proceso de génesis de este depósito responde a una neoformación en un medio sedimentario de alta actividad química de magnesio y que debe incluir el proceso de recristalización y posterior crecimiento de minerales fibrosos a a partir de esqueletos esmectíticos altamente transformados.

Keywords

Yacimientos, Sepiolita, Paligorskita, Scramenia (Segovia)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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