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dc.contributor.author
Hoke, Gregory D.
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dc.contributor.author
Giambiagi, Laura Beatriz
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dc.contributor.author
Garzione, Carmala N.
dc.contributor.author
Mahoney, J. Brian
dc.contributor.author
Strecker, Manfred R.
dc.date.available
2017-12-29T17:54:49Z
dc.date.issued
2014-10
dc.identifier.citation
Strecker, Manfred R.; Mahoney, J. Brian; Garzione, Carmala N.; Giambiagi, Laura Beatriz; Hoke, Gregory D.; Neogene paleoelevation of intermontane basins in a narrow, compressional mountain range, southern Central Andes of Argentina; Elsevier Science; Earth and Planetary Science Letters; 406; 10-2014; 153-164
dc.identifier.issn
0012-821X
dc.identifier.uri
http://hdl.handle.net/11336/31926
dc.description.abstract
The topographic growth of mountain ranges at convergent margins results from the complex interaction between the motion of lithospheric plates, crustal shortening, rock uplift and exhumation. Constraints on the timing and magnitude of elevation change gleaned from isotopic archives preserved in sedimentary sequences provide insight into how these processes interact over different timescales to create topography and potentially decipher the impact of topography on atmospheric circulation and superposed exhumation. This study uses stable isotope data from pedogenic carbonates collected from seven different stratigraphic sections spanning different tectonic and topographic positions in the range today, to examine the middle to late Miocene history of elevation change in the central Andes thrust belt, which is located immediately to the south of the Altiplano-Puna Plateau, the world’s second largest orogenic plateau. Paleoelevations are calculated using previously published local isotope-elevation gradients observed in modern rainfall and carbonate-formation temperatures determined from clumped isotope studies in modern soils. Calculated Neogene basin paleoelevations are between 1 km and 1.9 km for basins that today are located between 1500 and 3400 m elevation. Considering the modern elevation and δ18O values of precipitation at the sampling sites, three of the intermontane basins experienced surface uplift between the end of deposition during the late Miocene and present. The timing of elevation change cannot be linked to any documented episodes of large-magnitude crustal shortening. Paradoxically, the maximum inferred surface uplift in the core of the range is greatest where the crust is thinnest. The spatial pattern of surface uplift is best explained by eastward migration of a crustal root via ductile deformation in the lower crust and is not related to flat-slab subduction.
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-sa/2.5/ar/
dc.subject
Topographic Evolution
dc.subject
Topographic Uplift
dc.subject
Central Andes
dc.subject
Foreland Basins
dc.subject
Neogene
dc.subject
Andes
dc.subject
Surface Uplift
dc.subject
Tectonics
dc.subject
Paleoelevation
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
Neogene paleoelevation of intermontane basins in a narrow, compressional mountain range, southern Central Andes of Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-12-29T14:09:36Z
dc.journal.number
406
dc.journal.pagination
153-164
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Hoke, Gregory D.. Syracuse University. Department of Earth Science; Estados Unidos
dc.description.fil
Fil: Giambiagi, Laura Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
dc.description.fil
Fil: Garzione, Carmala N.. University of Rochester. Department of Earth and Environmental Science ; Estados Unidos
dc.description.fil
Fil: Mahoney, J. Brian. University of Rochester. Department of Earth and Environmental Science ; Estados Unidos
dc.description.fil
Fil: Strecker, Manfred R.. Universität Potsdam. Institute für Erd und Umweltwissenschaften; Alemania
dc.journal.title
Earth and Planetary Science Letters
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0012821X1400538X?via%3Dihub
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.epsl.2014.08.032
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