The Southern Central Andes vertical axis tectonic rotations: Relations with the deformation pattern

Along the Central Andes a pattern of vertical axis tectonic rotations has been paleomagnetically identified. Such rotations are counterclockwise north of Arica Deflection (~19°S) and clockwise to the south. Different hypothesis and models have been proposed to explain the Central Andean Rotation Pat...

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Autores principales:	Prezzi, Claudia Beatriz, Iglesia Llanos, Maria Paula
Publicado:	2012
Materias:	Cenozoic Deformation Paleomagnetic data Rotational domain Southern Central Andes deformation Paleogene paleomagnetism spatial distribution tectonic rotation temporal distribution Altiplano Andes Arica Arica and Parinacota Chile Cordillera Paraguay Puna
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07187092_v39_n2_p279_Prezzi http://hdl.handle.net/20.500.12110/paper_07187092_v39_n2_p279_Prezzi
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_07187092_v39_n2_p279_Prezzi
record_format	dspace
spelling	paper:paper_07187092_v39_n2_p279_Prezzi2023-06-08T15:43:14Z The Southern Central Andes vertical axis tectonic rotations: Relations with the deformation pattern Prezzi, Claudia Beatriz Iglesia Llanos, Maria Paula Cenozoic Deformation Paleomagnetic data Rotational domain Southern Central Andes Cenozoic deformation Paleogene paleomagnetism spatial distribution tectonic rotation temporal distribution Altiplano Andes Arica Arica and Parinacota Chile Cordillera Paraguay Puna Along the Central Andes a pattern of vertical axis tectonic rotations has been paleomagnetically identified. Such rotations are counterclockwise north of Arica Deflection (~19°S) and clockwise to the south. Different hypothesis and models have been proposed to explain the Central Andean Rotation Pattern (CARP). However, the CARP is a subject of ongoing debate. Recently, the quantity, quality, and geographic distribution of paleomagnetic data have expanded greatly. Such expansion has been accompanied by an increase in the knowledge of the deformation periods in the Andes, allowing a more detailed analysis of the temporal and spatial distribution of the detected rotations. We compiled and analyzed the available Cenozoic paleomagnetic data for the region extending between 19° and 27.5°S. The results suggest the possible existence of different rotational domains with distinct characteristics. We propose that in the Southern Central Andes, a close correlation would exist between the style and the temporal and spatial pattern of deformation and the amount of recorded vertical axis rotations. However, in order to further investigate such relationship, new paleomagnetic studies are necessary, particularly in the Eastern Cordillera domain, in Paleogene rocks cropping out in the Altiplano-Puna and in Neogene rocks of the forearc. Fil:Prezzi, C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Llanos, M.P.I. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2012 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07187092_v39_n2_p279_Prezzi http://hdl.handle.net/20.500.12110/paper_07187092_v39_n2_p279_Prezzi
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Cenozoic Deformation Paleomagnetic data Rotational domain Southern Central Andes Cenozoic deformation Paleogene paleomagnetism spatial distribution tectonic rotation temporal distribution Altiplano Andes Arica Arica and Parinacota Chile Cordillera Paraguay Puna
spellingShingle	Cenozoic Deformation Paleomagnetic data Rotational domain Southern Central Andes Cenozoic deformation Paleogene paleomagnetism spatial distribution tectonic rotation temporal distribution Altiplano Andes Arica Arica and Parinacota Chile Cordillera Paraguay Puna Prezzi, Claudia Beatriz Iglesia Llanos, Maria Paula The Southern Central Andes vertical axis tectonic rotations: Relations with the deformation pattern
topic_facet	Cenozoic Deformation Paleomagnetic data Rotational domain Southern Central Andes Cenozoic deformation Paleogene paleomagnetism spatial distribution tectonic rotation temporal distribution Altiplano Andes Arica Arica and Parinacota Chile Cordillera Paraguay Puna
description	Along the Central Andes a pattern of vertical axis tectonic rotations has been paleomagnetically identified. Such rotations are counterclockwise north of Arica Deflection (~19°S) and clockwise to the south. Different hypothesis and models have been proposed to explain the Central Andean Rotation Pattern (CARP). However, the CARP is a subject of ongoing debate. Recently, the quantity, quality, and geographic distribution of paleomagnetic data have expanded greatly. Such expansion has been accompanied by an increase in the knowledge of the deformation periods in the Andes, allowing a more detailed analysis of the temporal and spatial distribution of the detected rotations. We compiled and analyzed the available Cenozoic paleomagnetic data for the region extending between 19° and 27.5°S. The results suggest the possible existence of different rotational domains with distinct characteristics. We propose that in the Southern Central Andes, a close correlation would exist between the style and the temporal and spatial pattern of deformation and the amount of recorded vertical axis rotations. However, in order to further investigate such relationship, new paleomagnetic studies are necessary, particularly in the Eastern Cordillera domain, in Paleogene rocks cropping out in the Altiplano-Puna and in Neogene rocks of the forearc.
author	Prezzi, Claudia Beatriz Iglesia Llanos, Maria Paula
author_facet	Prezzi, Claudia Beatriz Iglesia Llanos, Maria Paula
author_sort	Prezzi, Claudia Beatriz
title	The Southern Central Andes vertical axis tectonic rotations: Relations with the deformation pattern
title_short	The Southern Central Andes vertical axis tectonic rotations: Relations with the deformation pattern
title_full	The Southern Central Andes vertical axis tectonic rotations: Relations with the deformation pattern
title_fullStr	The Southern Central Andes vertical axis tectonic rotations: Relations with the deformation pattern
title_full_unstemmed	The Southern Central Andes vertical axis tectonic rotations: Relations with the deformation pattern
title_sort	southern central andes vertical axis tectonic rotations: relations with the deformation pattern
publishDate	2012
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07187092_v39_n2_p279_Prezzi http://hdl.handle.net/20.500.12110/paper_07187092_v39_n2_p279_Prezzi
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The Southern Central Andes vertical axis tectonic rotations: Relations with the deformation pattern

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