Exhumation history of the Andean broken foreland revisited
- Autores
- Davila, Federico Miguel; Carter, Andrew
- Año de publicación
- 2013
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The Andean broken foreland in west-central Argentina, located 400–800 km from the Peru-Chile Trench is associated with fl at subduction linked to collision of the oceanic Juan Fernandez Ridge. While the conditions associated with fl at subduction would be expected to produce increases in rock uplift and exhumation, where thrusting and dynamic forces work together, a prevalence of pre-Cenozoic apatite fi ssion track (AFT) cooling ages suggests that there is no such link. The lack of Cenozoic cooling ages is at odds with structural reconstructions and basin studies along the foreland that show several kilometers of exhumation. This paradox can be reconciled by taking into account the thermal effects of fl at subduction that removed the mantle wedge, and a signifi cant source of heat fl ow into the crust. Reinterpretation of published AFT exhumation data (>320 ages) using more realistic lower geothermal gradient values allows for substantial exhumation and explains the lack of Cenozoic exhumation ages across the foreland region.
Fil: Davila, Federico Miguel. University College London; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina
Fil: Carter, Andrew. University Of London; Reino Unido - Materia
-
Andes
Cenozoico
Termocronologia - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/25704
Ver los metadatos del registro completo
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Exhumation history of the Andean broken foreland revisitedDavila, Federico MiguelCarter, AndrewAndesCenozoicoTermocronologiahttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The Andean broken foreland in west-central Argentina, located 400–800 km from the Peru-Chile Trench is associated with fl at subduction linked to collision of the oceanic Juan Fernandez Ridge. While the conditions associated with fl at subduction would be expected to produce increases in rock uplift and exhumation, where thrusting and dynamic forces work together, a prevalence of pre-Cenozoic apatite fi ssion track (AFT) cooling ages suggests that there is no such link. The lack of Cenozoic cooling ages is at odds with structural reconstructions and basin studies along the foreland that show several kilometers of exhumation. This paradox can be reconciled by taking into account the thermal effects of fl at subduction that removed the mantle wedge, and a signifi cant source of heat fl ow into the crust. Reinterpretation of published AFT exhumation data (>320 ages) using more realistic lower geothermal gradient values allows for substantial exhumation and explains the lack of Cenozoic exhumation ages across the foreland region.Fil: Davila, Federico Miguel. University College London; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; ArgentinaFil: Carter, Andrew. University Of London; Reino UnidoGeological Society of America2013-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/25704Davila, Federico Miguel; Carter, Andrew; Exhumation history of the Andean broken foreland revisited; Geological Society of America; Geology; 41; 4; 4-2013; 443-4460091-7613CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1130/G33960.1info:eu-repo/semantics/altIdentifier/url/https://pubs.geoscienceworld.org/geology/article-abstract/41/4/443/131153/exhumation-history-of-the-andean-broken-forelandinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:39:56Zoai:ri.conicet.gov.ar:11336/25704instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:39:56.373CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Exhumation history of the Andean broken foreland revisited |
title |
Exhumation history of the Andean broken foreland revisited |
spellingShingle |
Exhumation history of the Andean broken foreland revisited Davila, Federico Miguel Andes Cenozoico Termocronologia |
title_short |
Exhumation history of the Andean broken foreland revisited |
title_full |
Exhumation history of the Andean broken foreland revisited |
title_fullStr |
Exhumation history of the Andean broken foreland revisited |
title_full_unstemmed |
Exhumation history of the Andean broken foreland revisited |
title_sort |
Exhumation history of the Andean broken foreland revisited |
dc.creator.none.fl_str_mv |
Davila, Federico Miguel Carter, Andrew |
author |
Davila, Federico Miguel |
author_facet |
Davila, Federico Miguel Carter, Andrew |
author_role |
author |
author2 |
Carter, Andrew |
author2_role |
author |
dc.subject.none.fl_str_mv |
Andes Cenozoico Termocronologia |
topic |
Andes Cenozoico Termocronologia |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The Andean broken foreland in west-central Argentina, located 400–800 km from the Peru-Chile Trench is associated with fl at subduction linked to collision of the oceanic Juan Fernandez Ridge. While the conditions associated with fl at subduction would be expected to produce increases in rock uplift and exhumation, where thrusting and dynamic forces work together, a prevalence of pre-Cenozoic apatite fi ssion track (AFT) cooling ages suggests that there is no such link. The lack of Cenozoic cooling ages is at odds with structural reconstructions and basin studies along the foreland that show several kilometers of exhumation. This paradox can be reconciled by taking into account the thermal effects of fl at subduction that removed the mantle wedge, and a signifi cant source of heat fl ow into the crust. Reinterpretation of published AFT exhumation data (>320 ages) using more realistic lower geothermal gradient values allows for substantial exhumation and explains the lack of Cenozoic exhumation ages across the foreland region. Fil: Davila, Federico Miguel. University College London; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina Fil: Carter, Andrew. University Of London; Reino Unido |
description |
The Andean broken foreland in west-central Argentina, located 400–800 km from the Peru-Chile Trench is associated with fl at subduction linked to collision of the oceanic Juan Fernandez Ridge. While the conditions associated with fl at subduction would be expected to produce increases in rock uplift and exhumation, where thrusting and dynamic forces work together, a prevalence of pre-Cenozoic apatite fi ssion track (AFT) cooling ages suggests that there is no such link. The lack of Cenozoic cooling ages is at odds with structural reconstructions and basin studies along the foreland that show several kilometers of exhumation. This paradox can be reconciled by taking into account the thermal effects of fl at subduction that removed the mantle wedge, and a signifi cant source of heat fl ow into the crust. Reinterpretation of published AFT exhumation data (>320 ages) using more realistic lower geothermal gradient values allows for substantial exhumation and explains the lack of Cenozoic exhumation ages across the foreland region. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-04 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/25704 Davila, Federico Miguel; Carter, Andrew; Exhumation history of the Andean broken foreland revisited; Geological Society of America; Geology; 41; 4; 4-2013; 443-446 0091-7613 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/25704 |
identifier_str_mv |
Davila, Federico Miguel; Carter, Andrew; Exhumation history of the Andean broken foreland revisited; Geological Society of America; Geology; 41; 4; 4-2013; 443-446 0091-7613 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1130/G33960.1 info:eu-repo/semantics/altIdentifier/url/https://pubs.geoscienceworld.org/geology/article-abstract/41/4/443/131153/exhumation-history-of-the-andean-broken-foreland |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Geological Society of America |
publisher.none.fl_str_mv |
Geological Society of America |
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reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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13.070432 |