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dc.contributor.author
López Steinmetz, Romina Lucrecia
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dc.contributor.author
Galli, Claudia Inés
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dc.date.available
2018-04-11T17:24:02Z
dc.date.issued
2015-11
dc.identifier.citation
López Steinmetz, Romina Lucrecia; Galli, Claudia Inés; Basin development at the eastern border of the Northern Puna and its relationship with the plateau evolution; Pergamon-Elsevier Science Ltd; Journal of South American Earth Sciences; 63; 11-2015; 244-259
dc.identifier.issn
0895-9811
dc.identifier.uri
http://hdl.handle.net/11336/41722
dc.description.abstract
Seismic and field-sedimentary evidence from the eastern border of the Northern Puna represent important constraints for depositional development in Andean sedimentary basin studies. The studied basin fill sequences unconformably overlay the Paleozoic Santa Victoria Group and the Cretaceous e Paleocene Salta Group. Erosive truncations, folds and faults of the Salta Group seismic sequences suggest the existence of a pre-Upper Eocene phase of deformation, which was characterized by generalized erosion and the development of a proto-depocenter. The landscape that emerged from this early stage of deformation subsequently controlled the onset of the Upper Eocene sedimentation. Cenozoic sequences are characterized by syntectonic features, such as onlapping basal geometries and growth strata.Paleoflows and sourced clasts data from the Casa Grande Formation support the pre-Upper Eocene uplift of the basin-bounding ranges. Undeformed Cenozoic sequences suggest that basin-boundary thrusts preferentially settled contractional deformation. Steeply dipping, variable verging reverse faultsexhumed basement ranges and defined the depositional area. Furthermore, the eastern border of the depocenter was established along the morpho-structural boundary between the Puna and the Eastern Cordillera, which enhanced the basin isolation. Seismic, sedimentary and structural features are discussedregarding the influence of the plateau evolution on controlling the development of the isolated deposition along the eastern border of the Northern Puna.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
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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
Central Andes
dc.subject
Broken Foreland
dc.subject
Intermontane Basin
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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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
Basin development at the eastern border of the Northern Puna and its relationship with the plateau evolution
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-04-11T16:00:03Z
dc.journal.volume
63
dc.journal.pagination
244-259
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: López Steinmetz, Romina Lucrecia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Jujuy. Universidad Nacional de Jujuy. Centro de Investigaciones y Transferencia de Jujuy; Argentina
dc.description.fil
Fil: Galli, Claudia Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Jujuy. Universidad Nacional de Jujuy. Centro de Investigaciones y Transferencia de Jujuy; Argentina
dc.journal.title
Journal of South American Earth Sciences
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jsames.2015.07.017
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0895981115300341
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