Presencia de pirofilita en reemplazamientos de conchas de espiriféridos (Brachiopoda) del Devónico de la zona centroibérica. (Macizo Hespérico, España)
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Presencia de pirofilita en reemplazamientos de conchas de espiriféridos (Brachiopoda) del Devónico de la zona centroibérica. (Macizo Hespérico, España)Alternative Title(s)
Appearance of pyrophyllite as replacements of spiriferids (Brachiopoda) Shells of the devonian in the Central-Iberian zone (Hesperic Massif, Spain).Date
1995Citation
Cadernos do Laboratorio Xeolóxico de Laxe, 1995, 20: 117-122 ISSN: 0213-4497
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
Keywords
Pyrophillite
Fossil diagenesis
Hydrothermal
Brachiopds
Devonian
Hesperian Massif
Spain
Fossil diagenesis
Hydrothermal
Brachiopds
Devonian
Hesperian Massif
Spain
ISSN
0213-4497