Deformation along the Deseado Massif (Patagonia, Argentina) during the Jurassic Period and its relationship with the Gondwana breakup: paleomagnetic and geochronological constraints
Fil: Ruiz González, Víctor. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires (IGEBA, CONICET-UBA). Argentina. Fil: Zaffarana, Claudia. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro, Argentina. Fil: Vizán, Haroldo. Instit...
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El Sevier
2022
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ftunivnrionegro:oai:rid.unrn.edu.ar:20.500.12049/9117 2023-05-15T13:37:25+02:00 Deformation along the Deseado Massif (Patagonia, Argentina) during the Jurassic Period and its relationship with the Gondwana breakup: paleomagnetic and geochronological constraints Ruiz González, Víctor Renda, Emiliano Manuel Vizán, Haroldo Ganerød, Morgan Puigdomenech, Carla Zaffarana, Claudia Beatriz 2022-05 application/pdf http://rid.unrn.edu.ar/handle/20.500.12049/9117 https://hdl.handle.net/20.500.12049/9117 https://www.sciencedirect.com/science/article/pii/S0040195122001834?via%3Dihub https://doi.org/10.1016/j.tecto.2022.229389 en eng El Sevier https://www.sciencedirect.com/journal/tectonophysics 834 Tectonophysics Ruiz González, V., Renda, E., Vizán, H., GanerØd, M., Puigdomenech, C. and Zaffarana, C., (2022). Deformation along the Deseado Massif (Patagonia, Argentina) during the Jurassic Period and its relationship with the Gondwana breakup: Paleomagnetic and geochronological constraints. Tectonophysics; 834; 229389 0040-1951 https://www.sciencedirect.com/science/article/pii/S0040195122001834?via%3Dihub http://rid.unrn.edu.ar/handle/20.500.12049/9117 https://doi.org/10.1016/j.tecto.2022.229389 info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/4.0/ CC-BY-NC-SA Ciencias Exactas y Naturales Jurassic Deseado Massif Patagonia Gondwana Paleomagnetism 2022 ftunivnrionegro https://doi.org/20.500.12049/9117 https://doi.org/10.1016/j.tecto.2022.229389 2023-01-24T14:43:43Z Fil: Ruiz González, Víctor. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires (IGEBA, CONICET-UBA). Argentina. Fil: Zaffarana, Claudia. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro, Argentina. Fil: Vizán, Haroldo. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires (IGEBA, CONICET-UBA). Argentina. Fil: Ganerød, Morgan. Geological Survey of Norway. Noruega. Fil: Puigdomenech, Carla. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires (IGEBA, CONICET-UBA). Argentina. Fil: Renda, Emiliano. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro, Argentina. This work presents the analysis of paleomagnetic results obtained from four sampling areas of the Jurassic Bahía Laura Complex in the Deseado Massif and their implications on the regional deformation history during the breakup of Gondwana. Paleomagnetic data show cessation of tectonic block rotations about vertical axes around 160 Ma and a change from a transtensional to a mainly extensional tectonic regime. Two biotite samples yielded 40 Ar––39Ar radiometric ages: one from the eastern outcrops of the Chon Aike Formation (plateau age of 184.66 ± 0.55 Ma) and the other from the La Matilde Formation (plateau age of 157.40 ± 0.65 Ma), located at the central part of the Deseado Massif. Finally, an apparent polar wander path (APWP) was calculated for the Jurassic of South America (200 to 140 Ma). This APWP indicates that South America experienced a northward drift between 200 Ma and 170 Ma, a clockwise rotation (~10◦) between 170 Ma and 160 Ma, and a westward drift between 160 Ma and 140 Ma. The 170–160 Ma rotation could has been triggered by the combined effects of the uncoupling of the Antarctic Peninsula, the high rates of subduction of the Phoenix plate beneath Patagonia, the opening of the Rocas Verdes basin and the Weddell Sea, and the cessation of the Tethys slab-pull. Furthermore, ... Other/Unknown Material Antarc* Antarctic Antarctic Peninsula Weddell Sea RID-UnRN - Repositorio Institucional Digital Universidad Nacional de Río Negro Antarctic Antarctic Peninsula Argentina Noruega ENVELOPE(-12.333,-12.333,-71.333,-71.333) Norway Patagonia Rocas ENVELOPE(-56.948,-56.948,-63.398,-63.398) The Antarctic Weddell Weddell Sea |
institution |
Open Polar |
collection |
RID-UnRN - Repositorio Institucional Digital Universidad Nacional de Río Negro |
op_collection_id |
ftunivnrionegro |
language |
English |
topic |
Ciencias Exactas y Naturales Jurassic Deseado Massif Patagonia Gondwana Paleomagnetism |
spellingShingle |
Ciencias Exactas y Naturales Jurassic Deseado Massif Patagonia Gondwana Paleomagnetism Ruiz González, Víctor Renda, Emiliano Manuel Vizán, Haroldo Ganerød, Morgan Puigdomenech, Carla Zaffarana, Claudia Beatriz Deformation along the Deseado Massif (Patagonia, Argentina) during the Jurassic Period and its relationship with the Gondwana breakup: paleomagnetic and geochronological constraints |
topic_facet |
Ciencias Exactas y Naturales Jurassic Deseado Massif Patagonia Gondwana Paleomagnetism |
description |
Fil: Ruiz González, Víctor. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires (IGEBA, CONICET-UBA). Argentina. Fil: Zaffarana, Claudia. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro, Argentina. Fil: Vizán, Haroldo. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires (IGEBA, CONICET-UBA). Argentina. Fil: Ganerød, Morgan. Geological Survey of Norway. Noruega. Fil: Puigdomenech, Carla. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires (IGEBA, CONICET-UBA). Argentina. Fil: Renda, Emiliano. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro, Argentina. This work presents the analysis of paleomagnetic results obtained from four sampling areas of the Jurassic Bahía Laura Complex in the Deseado Massif and their implications on the regional deformation history during the breakup of Gondwana. Paleomagnetic data show cessation of tectonic block rotations about vertical axes around 160 Ma and a change from a transtensional to a mainly extensional tectonic regime. Two biotite samples yielded 40 Ar––39Ar radiometric ages: one from the eastern outcrops of the Chon Aike Formation (plateau age of 184.66 ± 0.55 Ma) and the other from the La Matilde Formation (plateau age of 157.40 ± 0.65 Ma), located at the central part of the Deseado Massif. Finally, an apparent polar wander path (APWP) was calculated for the Jurassic of South America (200 to 140 Ma). This APWP indicates that South America experienced a northward drift between 200 Ma and 170 Ma, a clockwise rotation (~10◦) between 170 Ma and 160 Ma, and a westward drift between 160 Ma and 140 Ma. The 170–160 Ma rotation could has been triggered by the combined effects of the uncoupling of the Antarctic Peninsula, the high rates of subduction of the Phoenix plate beneath Patagonia, the opening of the Rocas Verdes basin and the Weddell Sea, and the cessation of the Tethys slab-pull. Furthermore, ... |
author |
Ruiz González, Víctor Renda, Emiliano Manuel Vizán, Haroldo Ganerød, Morgan Puigdomenech, Carla Zaffarana, Claudia Beatriz |
author_facet |
Ruiz González, Víctor Renda, Emiliano Manuel Vizán, Haroldo Ganerød, Morgan Puigdomenech, Carla Zaffarana, Claudia Beatriz |
author_sort |
Ruiz González, Víctor |
title |
Deformation along the Deseado Massif (Patagonia, Argentina) during the Jurassic Period and its relationship with the Gondwana breakup: paleomagnetic and geochronological constraints |
title_short |
Deformation along the Deseado Massif (Patagonia, Argentina) during the Jurassic Period and its relationship with the Gondwana breakup: paleomagnetic and geochronological constraints |
title_full |
Deformation along the Deseado Massif (Patagonia, Argentina) during the Jurassic Period and its relationship with the Gondwana breakup: paleomagnetic and geochronological constraints |
title_fullStr |
Deformation along the Deseado Massif (Patagonia, Argentina) during the Jurassic Period and its relationship with the Gondwana breakup: paleomagnetic and geochronological constraints |
title_full_unstemmed |
Deformation along the Deseado Massif (Patagonia, Argentina) during the Jurassic Period and its relationship with the Gondwana breakup: paleomagnetic and geochronological constraints |
title_sort |
deformation along the deseado massif (patagonia, argentina) during the jurassic period and its relationship with the gondwana breakup: paleomagnetic and geochronological constraints |
publisher |
El Sevier |
publishDate |
2022 |
url |
http://rid.unrn.edu.ar/handle/20.500.12049/9117 https://hdl.handle.net/20.500.12049/9117 https://www.sciencedirect.com/science/article/pii/S0040195122001834?via%3Dihub https://doi.org/10.1016/j.tecto.2022.229389 |
long_lat |
ENVELOPE(-12.333,-12.333,-71.333,-71.333) ENVELOPE(-56.948,-56.948,-63.398,-63.398) |
geographic |
Antarctic Antarctic Peninsula Argentina Noruega Norway Patagonia Rocas The Antarctic Weddell Weddell Sea |
geographic_facet |
Antarctic Antarctic Peninsula Argentina Noruega Norway Patagonia Rocas The Antarctic Weddell Weddell Sea |
genre |
Antarc* Antarctic Antarctic Peninsula Weddell Sea |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Weddell Sea |
op_relation |
https://www.sciencedirect.com/journal/tectonophysics 834 Tectonophysics Ruiz González, V., Renda, E., Vizán, H., GanerØd, M., Puigdomenech, C. and Zaffarana, C., (2022). Deformation along the Deseado Massif (Patagonia, Argentina) during the Jurassic Period and its relationship with the Gondwana breakup: Paleomagnetic and geochronological constraints. Tectonophysics; 834; 229389 0040-1951 https://www.sciencedirect.com/science/article/pii/S0040195122001834?via%3Dihub http://rid.unrn.edu.ar/handle/20.500.12049/9117 https://doi.org/10.1016/j.tecto.2022.229389 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/4.0/ |
op_rightsnorm |
CC-BY-NC-SA |
op_doi |
https://doi.org/20.500.12049/9117 https://doi.org/10.1016/j.tecto.2022.229389 |
_version_ |
1766091669440036864 |