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http://hdl.handle.net/2183/6200

Presencia de pirofilita en reemplazamientos de conchas de espiriféridos (Brachiopoda) del Devónico de la zona centroibérica. (Macizo Hespérico, España)

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URI: http://hdl.handle.net/2183/6200

Publication date

1995

Authors

Pardo Alonso, M. V.
López Buendía, A. M.
Serrano, J.
Bastida, J.

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Bibliographic citation

Cadernos do Laboratorio Xeolóxico de Laxe, 1995, 20: 117-122 ISSN: 0213-4497

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Academic degree

Abstract

[Abstract] Amacroscopic pyrophyllite bearing mineralization related to shells ofspiriferids has beeen found in the Herrera Formation (southern Central-Iberian Zone, Hesperic Massif, Spain). The observed mineral asociation is pyrophyllite + nacrite + quartz + calcite + anhydrite, and it is interpreted as resulting from the substitution ofinitial carbonatic shell by a Si, Al, S rich hydrothermal solution

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Keywords

Pyrophillite Fossil diagenesis Hydrothermal Brachiopds Devonian Hesperian Massif Spain

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REV - CLXL - Vol. 20 (1996)