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dc.contributor.author
Torres Carbonell, Pablo Juan
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dc.contributor.author
Dimieri, Luis Vicente
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dc.date.available
2015-08-12T16:02:44Z
dc.date.issued
2013-09
dc.identifier.citation
Torres Carbonell, Pablo Juan; Dimieri, Luis Vicente; Cenozoic contractional tectonics in the Fuegian Andes, southernmost South America: a model for the transference of orogenic shortening to the foreland; Universidad de Barcelona. Facultad de Geología; Geologica Acta; 11; 3; 9-2013; 331-357
dc.identifier.issn
1695-6133
dc.identifier.uri
http://hdl.handle.net/11336/1647
dc.description.abstract
The Fuegian thrust-fold belt has been subjected to significant shortening during the Cenozoic. Although contemporaneous shortening and uplift was also recognized in the Fuegian Andes central belt (hinterland), previous studies stated that most of that deformation developed out-of-sequence with the thrust-fold belt and hence did not contribute to its shortening. Therefore, no suitable geometric and kinematic model has been proposed for the mechanism that links deformation in both domains. Here we address the style and timing of the younger (Late Cretaceous-Paleogene) structures of the central belt and the structural evolution of the thrust-fold belt, based on published and own data. We reinterpret the style of the central belt structures, proposing a new model in which all the shortening in the foreland cover was caused by basement thrusting in the central belt. We postulate that the basement was involved in a regional-scale duplex whose roof thrust was the décollement of the thin-skinned thrust-fold belt. Therefore, the total slip transferred through the roof thrust accounted for the shortening in the cover rocks. The basement duplex incorporated the underthrust crust from the footwall of the orogenic wedge through forward propagation, in sequence with the thrust-fold belt from the Late Cretaceous to the Miocene.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Universidad de Barcelona. Facultad de Geología
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Central Belt
dc.subject
Thrust Fold Belt
dc.subject
Shortening Transference
dc.subject
Crustal Duplex
dc.subject
Fuegian Andes
dc.subject.classification
Geología
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Cenozoic contractional tectonics in the Fuegian Andes, southernmost South America: a model for the transference of orogenic shortening to the foreland
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-03-30 10:35:44.97925-03
dc.journal.volume
11
dc.journal.number
3
dc.journal.pagination
331-357
dc.journal.pais
España
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dc.journal.ciudad
Barcelona
dc.description.fil
Fil: Torres Carbonell, Pablo Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina;
dc.description.fil
Fil: Dimieri, Luis Vicente. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET - Bahía Blanca. Instituto Geológico del Sur; Argentina;
dc.journal.title
Geologica Acta
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/DOI:10.1344/105.000001874
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://dialnet.unirioja.es/servlet/articulo?codigo=4435623
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://ddd.uab.cat/pub/geoact/geoact_a2013m9v11n3/geoact_a2013m9v11n3p331.pdf
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.geologica-acta.com/ForthComingAC.do
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