A new lithographic limestone deposit in the Upper Cretaceous Austin Group at El Rosario, county of Múzquiz, Coahuila, northeastern Mexico

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1. Verfasser: Harald Schmidt
Format: Artículo científico
Sprache:en
Veröffentlicht: Universidad Nacional Autónoma de México 2005
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author Harald Schmidt
author_facet Harald Schmidt
contents A new lithographic limestone deposit in the Upper Cretaceous Austin Group at El Rosario, county of Múzquiz, Coahuila, northeastern Mexico Harald Schmidt Anja Rindfleisch Arturo H. González González Lionel Cavin Gerta Keller Krister T. Smith Wolfgang Stinnesbeck Christina Ifrim Marie Céline Buchy Eberhard Frey Francisco J. Vega Ciencias de la Tierra Mexico Coahuila Konservat limestone Lagerstätte At El Rosario, 170 km WNW of Múzquiz in northern Coahuila, Mexico, alternating evenly layeredplaty limestone and fi ssile marly limestone of late Turonian-early Coniacian age (Late Cretaceous) containvertebrate fossils with exceptionally well-preserved anatomical details of their soft tissues, as well asabundant ammonoids, inoceramids and other invertebrates. Deposition was in an open marine shelfenvironment near the southern opening of the Western Interior Seaway, several hundreds of kilometerssouth of the North American coastline, in water depths of at least 50–100 m. The present researchintends to highlight the enormous preservational potential of this new conservation deposit (Konservat-Lagerstätte) and to analyze the paleoenvironmental conditions present at this locality. Our preliminarydata suggest that the El Rosario fossil deposit is a combined result of anoxic bottom conditions, earlydiagenetic phosphatization, and rapid burial in a soft, micritic lime mud. 2005 artículo científico 1026-8774 https://www.redalyc.org/articulo.oa?id=57222313 en http://www.redalyc.org/revista.oa?id=572 Revista Mexicana de Ciencias Geológicas application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Ciencias Geológicas (México) Num.3 Vol.22
format Artículo científico
id redalyc_57222313
institution Redalyc
language en
publishDate 2005
publisher Universidad Nacional Autónoma de México
spellingShingle A new lithographic limestone deposit in the Upper Cretaceous Austin Group at El Rosario, county of Múzquiz, Coahuila, northeastern Mexico
Harald Schmidt
Ciencias de la Tierra
Mexico
Coahuila
Konservat
limestone
Lagerstätte
A new lithographic limestone deposit in the Upper Cretaceous Austin Group at El Rosario, county of Múzquiz, Coahuila, northeastern Mexico Harald Schmidt Anja Rindfleisch Arturo H. González González Lionel Cavin Gerta Keller Krister T. Smith Wolfgang Stinnesbeck Christina Ifrim Marie Céline Buchy Eberhard Frey Francisco J. Vega Ciencias de la Tierra Mexico Coahuila Konservat limestone Lagerstätte At El Rosario, 170 km WNW of Múzquiz in northern Coahuila, Mexico, alternating evenly layeredplaty limestone and fi ssile marly limestone of late Turonian-early Coniacian age (Late Cretaceous) containvertebrate fossils with exceptionally well-preserved anatomical details of their soft tissues, as well asabundant ammonoids, inoceramids and other invertebrates. Deposition was in an open marine shelfenvironment near the southern opening of the Western Interior Seaway, several hundreds of kilometerssouth of the North American coastline, in water depths of at least 50–100 m. The present researchintends to highlight the enormous preservational potential of this new conservation deposit (Konservat-Lagerstätte) and to analyze the paleoenvironmental conditions present at this locality. Our preliminarydata suggest that the El Rosario fossil deposit is a combined result of anoxic bottom conditions, earlydiagenetic phosphatization, and rapid burial in a soft, micritic lime mud. 2005 artículo científico 1026-8774 https://www.redalyc.org/articulo.oa?id=57222313 en http://www.redalyc.org/revista.oa?id=572 Revista Mexicana de Ciencias Geológicas application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Ciencias Geológicas (México) Num.3 Vol.22
title A new lithographic limestone deposit in the Upper Cretaceous Austin Group at El Rosario, county of Múzquiz, Coahuila, northeastern Mexico
topic Ciencias de la Tierra
Mexico
Coahuila
Konservat
limestone
Lagerstätte
url https://www.redalyc.org/articulo.oa?id=57222313