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dc.contributor.author
Sánchez Nassif, Francisco Gabriel Antonio
dc.contributor.author
Gallagher, Kerry
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Ezpeleta, Miguel
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Collo, Gilda
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Davila, Federico Miguel
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Mora, Andres
dc.date.available
2021-09-23T15:54:21Z
dc.date.issued
2021-01
dc.identifier.citation
Sánchez Nassif, Francisco Gabriel Antonio; Gallagher, Kerry; Ezpeleta, Miguel; Collo, Gilda; Davila, Federico Miguel; et al.; Linking thermochronological data to transient geodynamic regimes; new insights from kinematic modeling and Monte Carlo sampling of thermal boundary conditions; Pergamon-Elsevier Science Ltd; Journal of South American Earth Sciences; 105; 1-2021; 1-39
dc.identifier.issn
0895-9811
dc.identifier.uri
http://hdl.handle.net/11336/141368
dc.description.abstract
It is common practice to assume values for basal heat flow or basal temperatures as a lower boundary condition for thermo-kinematic models of crustal tectonics. Here, we infer spatial and temporal variations of the paleo-basal temperature from integrated modelling of thermochronological ages, to relate the inferred variations to the geodynamic setting. To this end, we consider the Argentine Precordillera as a natural laboratory, given that its kinematic evolution is relatively well constrained and therefore, the focus can be placed on the variations of its basal thermal state. By means of a simple Monte Carlo sampling approach with thermochronological data as constraints, we infer the paleo-basal temperature history. This is compared to estimates posed by models existing in the literature concerning flat-slab subduction. Our results imply that, given the kinematic models used to date in the area, extremely low temperature gradients (<15 °C/km) are required to adequately predict the observed thermochronological ages. Substantial cooling of the lithosphere around 10 Ma is also required in order to fit measured values. This agrees with previous thermal simulations carried out in the region. Furthermore, major controls of the thermal architecture on the Argentine Precordillera are implied, thus reigniting the debate on thermal driving mechanisms in the evolution of mountainous settings and their relationship with deeper processes within the Earth, such as on the effects of the flat-slab subduction.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
ARGENTINE PRECORDILLERA
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KINEMATIC RECONSTRUCTIONS
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MONTE CARLO
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THERMOCHRONOLOGICAL MODELING
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Geología
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Linking thermochronological data to transient geodynamic regimes; new insights from kinematic modeling and Monte Carlo sampling of thermal boundary conditions
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-09-06T15:09:35Z
dc.journal.volume
105
dc.journal.pagination
1-39
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Sánchez Nassif, Francisco Gabriel Antonio. 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
dc.description.fil
Fil: Gallagher, Kerry. Universite de Rennes I; Francia
dc.description.fil
Fil: Ezpeleta, Miguel. 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
dc.description.fil
Fil: Collo, Gilda. 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
dc.description.fil
Fil: Davila, Federico Miguel. 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
dc.description.fil
Fil: Mora, Andres. Ecopetrol; Brasil
dc.journal.title
Journal of South American Earth Sciences
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jsames.2020.103018
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0895981120305617
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