Argentina | Artículos de revistas
dc.creatorSuriano, Julieta
dc.creatorMardonez Catalán, Diego José
dc.creatorMahoney, J. B.
dc.creatorMescua, Jose Francisco
dc.creatorGiambiagi, Laura Beatriz
dc.creatorKimbrough, D.
dc.creatorLossada, Ana Clara
dc.date.accessioned2018-11-05T15:46:25Z
dc.date.accessioned2018-11-06T14:56:31Z
dc.date.available2018-11-05T15:46:25Z
dc.date.available2018-11-06T14:56:31Z
dc.date.created2018-11-05T15:46:25Z
dc.date.issued2017-04
dc.identifierSuriano, Julieta; Mardonez Catalán, Diego José; Mahoney, J. B.; Mescua, Jose Francisco; Giambiagi, Laura Beatriz; et al.; Uplift sequence of the Andes at 30°S: insights from sedimentology and U/Pb dating of synorogenic deposits; Pergamon-Elsevier Science Ltd; Journal of South American Earth Sciences; 75; 4-2017; 11-34
dc.identifier0895-9811
dc.identifierhttp://hdl.handle.net/11336/63612
dc.identifierCONICET Digital
dc.identifierCONICET
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1891911
dc.description.abstractThe South Central Andes at 30°S represent a key area to understand the Andes geodynamics as it is in the middle of the flat slab segment and all the morphotectonic units of the Central Andes are well developed. This work is focused in the proximal synorogenic deposits of the Western Precordillera, in the La Tranca valley, in order to unravel the uplift sequence of this belt. Nine facies associations were recognized; most of them represent piedmont facies with local provenance from Precordillera and were deposited in the wedge-top depozone, as is expected for proximal sinorogenic deposits. However there are intercalations of transference fluvial systems, which show mixed provenance indicating that Permo-Triassic igneous rocks were already exposed to the west (Frontal Cordillera). There are also lacustrine deposits which are interpreted as the result of damming by fault activity at east of the studied basin. Finally, two maximum depositional ages at ca. 11 Ma and 8 Ma of these deposits indicate that the onset of uplift of the Precordillera at 30°S is little older than 11 Ma. These data change two previous ideas about the evolution of the Precordillera: its uplift at 30° S is younger than proposed by previous works and it is nearly synchronous along strike.
dc.languageeng
dc.publisherPergamon-Elsevier Science Ltd
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/https://linkinghub.elsevier.com/retrieve/pii/S0895981117300196
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jsames.2017.01.004
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectBERMEJO FORELAND BASIN
dc.subjectSAN JUAN PRECORDILLERA
dc.subjectWEDGETOP DEPOSITS
dc.titleUplift sequence of the Andes at 30°S: insights from sedimentology and U/Pb dating of synorogenic deposits
dc.typeArtículos de revistas
dc.typeArtículos de revistas
dc.typeArtículos de revistas


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