Triassic age of the continental Pular Formation, Sierra de Almeida, Antofagasta, northern Chile

In this contribution, we present a reassessment of the Pular Formation age (Sierra de Almeida, Antofagasta) that in previous papers was attributed to either the Late Paleozoic or Triassic. At Quebrada del Medio, the Pular Formation includes a 379-meter-thick stratigraphic section formed from base to...

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Autores principales:	Niemeyer,Hans, Zavattieri,Ana María, Ballent,Sara, Zamuner,Alba, Gallego,Oscar
Lenguaje:	English
Publicado:	Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2008
Materias:	Pular Formation Triassic Gondwana flora Fluvial and lacustrine environments Chile
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-02082008000100007
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spelling	oai:scielo:S0716-020820080001000072008-04-10Triassic age of the continental Pular Formation, Sierra de Almeida, Antofagasta, northern ChileNiemeyer,HansZavattieri,Ana MaríaBallent,SaraZamuner,AlbaGallego,Oscar Pular Formation Triassic Gondwana flora Fluvial and lacustrine environments Chile In this contribution, we present a reassessment of the Pular Formation age (Sierra de Almeida, Antofagasta) that in previous papers was attributed to either the Late Paleozoic or Triassic. At Quebrada del Medio, the Pular Formation includes a 379-meter-thick stratigraphic section formed from base to top by conglomerates, sandstones, black bituminous shales and limestones, tuffaceous sandstones and a poorly welded ignimbrite that accumulated in fluvial and lacustrine environments. A multidisciplinary study of the flora and fauna was undertaken. The existence of diagnostic Gondwana microflora and macroflora allows attributing a Middle Triassic to early Late Triassic age to the Pular Formationinfo:eu-repo/semantics/openAccessServicio Nacional de Geología y Minería (SERNAGEOMIN)Revista geológica de Chile v.35 n.1 20082008-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-02082008000100007en10.4067/S0716-02082008000100007
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Pular Formation Triassic Gondwana flora Fluvial and lacustrine environments Chile
spellingShingle	Pular Formation Triassic Gondwana flora Fluvial and lacustrine environments Chile Niemeyer,Hans Zavattieri,Ana María Ballent,Sara Zamuner,Alba Gallego,Oscar Triassic age of the continental Pular Formation, Sierra de Almeida, Antofagasta, northern Chile
description	In this contribution, we present a reassessment of the Pular Formation age (Sierra de Almeida, Antofagasta) that in previous papers was attributed to either the Late Paleozoic or Triassic. At Quebrada del Medio, the Pular Formation includes a 379-meter-thick stratigraphic section formed from base to top by conglomerates, sandstones, black bituminous shales and limestones, tuffaceous sandstones and a poorly welded ignimbrite that accumulated in fluvial and lacustrine environments. A multidisciplinary study of the flora and fauna was undertaken. The existence of diagnostic Gondwana microflora and macroflora allows attributing a Middle Triassic to early Late Triassic age to the Pular Formation
author	Niemeyer,Hans Zavattieri,Ana María Ballent,Sara Zamuner,Alba Gallego,Oscar
author_facet	Niemeyer,Hans Zavattieri,Ana María Ballent,Sara Zamuner,Alba Gallego,Oscar
author_sort	Niemeyer,Hans
title	Triassic age of the continental Pular Formation, Sierra de Almeida, Antofagasta, northern Chile
title_short	Triassic age of the continental Pular Formation, Sierra de Almeida, Antofagasta, northern Chile
title_full	Triassic age of the continental Pular Formation, Sierra de Almeida, Antofagasta, northern Chile
title_fullStr	Triassic age of the continental Pular Formation, Sierra de Almeida, Antofagasta, northern Chile
title_full_unstemmed	Triassic age of the continental Pular Formation, Sierra de Almeida, Antofagasta, northern Chile
title_sort	triassic age of the continental pular formation, sierra de almeida, antofagasta, northern chile
publisher	Servicio Nacional de Geología y Minería (SERNAGEOMIN)
publishDate	2008
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-02082008000100007
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Triassic age of the continental Pular Formation, Sierra de Almeida, Antofagasta, northern Chile

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