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dc.contributor.author
Prezzi, Claudia Beatriz
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dc.contributor.author
Uba, Cornelius E.
dc.contributor.author
Götze, Hans Jürgen
dc.date.available
2019-04-08T18:49:37Z
dc.date.issued
2009-09
dc.identifier.citation
Prezzi, Claudia Beatriz; Uba, Cornelius E.; Götze, Hans Jürgen; Flexural isostasy in the Bolivian Andes: Chaco foreland basin development; Elsevier Science; Tectonophysics; 474; 3-4; 9-2009; 526-543
dc.identifier.issn
0040-1951
dc.identifier.uri
http://hdl.handle.net/11336/73446
dc.description.abstract
The Chaco foreland basin was initiated during the late Oligocene as a result of thrusting in the Eastern Cordillera in response to Nazca-South America plate convergence. Foreland basins are the result of the flexural isostatic response of an elastic plate to orogenic and/or thrust sheet loading. We carried out flexural modelling along a W-E profile (21.4°S) to investigate Chaco foreland basin development using new information on ages of foreland basin strata, elastic and sedimentary thicknesses and structural histories. It was possible to reproduce present-day elevation, gravity anomaly, Moho depth, elastic thicknesses, foreland sedimentary thicknesses and the basin geometry. Our model predicted the basin geometry and sedimentary thicknesses for different evolutionary stages. Measured thicknesses and previously proposed depozones were compared with our predictions. Our results shed more light on the Chaco foreland basin evolution and suggest that an apparent decrease in elastic thickness beneath the Eastern Cordillera and the Interandean Zone could have occurred between 14 and 6 Ma.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Basin Development
dc.subject
Central Andes
dc.subject
Chaco Foreland
dc.subject
Flexural Isostasy
dc.subject
Flexural Modelling
dc.subject.classification
Geoquímica y Geofísica
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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
Flexural isostasy in the Bolivian Andes: Chaco foreland basin development
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-04-05T14:41:03Z
dc.journal.volume
474
dc.journal.number
3-4
dc.journal.pagination
526-543
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Prezzi, Claudia Beatriz. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Uba, Cornelius E.. Universitat Potsdam; Alemania
dc.description.fil
Fil: Götze, Hans Jürgen. Christian Albrechts Universität; Alemania
dc.journal.title
Tectonophysics
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.tecto.2009.04.037
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0040195109002480
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