The metamorphic complexes of the Patagonian and Fuegian Andes
The Patagonian and Fuegian Andes are made up in part by late Paleozoic to Mesozoic metamorphic complexes. The mostly low grade late Paleozoic Eastern Andes Metamorphic Complex (EAMC) crops out to the East of the Meso-Cenozoic South Patagonian batholith (SPB), which intruded the metamorphic complexes...
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ftuabarcelonapb:oai:ddd.uab.cat:85954 2024-09-15T17:42:31+00:00 The metamorphic complexes of the Patagonian and Fuegian Andes Hervé Allamand, Francisco Enrique Isidoro Calderón, Mauricio Faúndez, Victor 2008 application/pdf https://ddd.uab.cat/record/85954 eng eng Geologica acta Vol. 6, Núm. 1 (Març 2008), p. 43-53 https://ddd.uab.cat/record/85954 urn:10.1344/105.000000240 urn:oai:ddd.uab.cat:85954 urn:articleid:16965728v6n1p43 urn:oai:raco.cat:article/83443 urn:oai:revistes.ub.edu:article/1919 open access Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan aquestes es distribueixin sota la mateixa llicència que regula l'obra original i es reconegui l'autoria de l'obra original. https://creativecommons.org/licenses/by-sa/3.0/ Metamorphic complexes Late Paleozoic Jurassic Blueschists Subduction Zone Article 2008 ftuabarcelonapb 2024-08-06T14:30:46Z The Patagonian and Fuegian Andes are made up in part by late Paleozoic to Mesozoic metamorphic complexes. The mostly low grade late Paleozoic Eastern Andes Metamorphic Complex (EAMC) crops out to the East of the Meso-Cenozoic South Patagonian batholith (SPB), which intruded the metamorphic complexes. The protholit of the EAMC was likely deposited in a passive margin setting and at the Puerto Edén area underwent Late Jurassic sillimanite grade and migmatite local metamorphic conditions. It is suspected, but not proven, that the Cordillera Darwin Metamorphic Complex is a higher grade metamorphic complex equivalent of the EAMC. West of the SPB, paleo subduction complexes occur and are represented by the allochtonous Madre de Dios terrane. This terrane is composed of the ocean floor lithologies of the Denaro Complex topped by the Tarlton limestones that represent a guyot assemblage. The low grade continent derived Duque de York complex was deposited down top of the ocean floor lithologies. Further west, the blueschist bearing Middle Jurassic Diego de Almagro Complex, with psammopelitic, mafic and siliceous volcanic rock protoliths, evolved deep in a subduction zone during the Cretaceous. The possibility that the Antarctic Peninsula was located west of the present margin of South America is discussed. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Universitat Autònoma de Barcelona: Dipòsit Digital de Documents de la UAB |
institution |
Open Polar |
collection |
Universitat Autònoma de Barcelona: Dipòsit Digital de Documents de la UAB |
op_collection_id |
ftuabarcelonapb |
language |
English |
topic |
Metamorphic complexes Late Paleozoic Jurassic Blueschists Subduction Zone |
spellingShingle |
Metamorphic complexes Late Paleozoic Jurassic Blueschists Subduction Zone Hervé Allamand, Francisco Enrique Isidoro Calderón, Mauricio Faúndez, Victor The metamorphic complexes of the Patagonian and Fuegian Andes |
topic_facet |
Metamorphic complexes Late Paleozoic Jurassic Blueschists Subduction Zone |
description |
The Patagonian and Fuegian Andes are made up in part by late Paleozoic to Mesozoic metamorphic complexes. The mostly low grade late Paleozoic Eastern Andes Metamorphic Complex (EAMC) crops out to the East of the Meso-Cenozoic South Patagonian batholith (SPB), which intruded the metamorphic complexes. The protholit of the EAMC was likely deposited in a passive margin setting and at the Puerto Edén area underwent Late Jurassic sillimanite grade and migmatite local metamorphic conditions. It is suspected, but not proven, that the Cordillera Darwin Metamorphic Complex is a higher grade metamorphic complex equivalent of the EAMC. West of the SPB, paleo subduction complexes occur and are represented by the allochtonous Madre de Dios terrane. This terrane is composed of the ocean floor lithologies of the Denaro Complex topped by the Tarlton limestones that represent a guyot assemblage. The low grade continent derived Duque de York complex was deposited down top of the ocean floor lithologies. Further west, the blueschist bearing Middle Jurassic Diego de Almagro Complex, with psammopelitic, mafic and siliceous volcanic rock protoliths, evolved deep in a subduction zone during the Cretaceous. The possibility that the Antarctic Peninsula was located west of the present margin of South America is discussed. |
format |
Article in Journal/Newspaper |
author |
Hervé Allamand, Francisco Enrique Isidoro Calderón, Mauricio Faúndez, Victor |
author_facet |
Hervé Allamand, Francisco Enrique Isidoro Calderón, Mauricio Faúndez, Victor |
author_sort |
Hervé Allamand, Francisco Enrique Isidoro |
title |
The metamorphic complexes of the Patagonian and Fuegian Andes |
title_short |
The metamorphic complexes of the Patagonian and Fuegian Andes |
title_full |
The metamorphic complexes of the Patagonian and Fuegian Andes |
title_fullStr |
The metamorphic complexes of the Patagonian and Fuegian Andes |
title_full_unstemmed |
The metamorphic complexes of the Patagonian and Fuegian Andes |
title_sort |
metamorphic complexes of the patagonian and fuegian andes |
publishDate |
2008 |
url |
https://ddd.uab.cat/record/85954 |
genre |
Antarc* Antarctic Antarctic Peninsula |
genre_facet |
Antarc* Antarctic Antarctic Peninsula |
op_relation |
Geologica acta Vol. 6, Núm. 1 (Març 2008), p. 43-53 https://ddd.uab.cat/record/85954 urn:10.1344/105.000000240 urn:oai:ddd.uab.cat:85954 urn:articleid:16965728v6n1p43 urn:oai:raco.cat:article/83443 urn:oai:revistes.ub.edu:article/1919 |
op_rights |
open access Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan aquestes es distribueixin sota la mateixa llicència que regula l'obra original i es reconegui l'autoria de l'obra original. https://creativecommons.org/licenses/by-sa/3.0/ |
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1810489112203886592 |