Age and magmatic evolution of the Famatinian granitic rocks of Sierra de Ancasti, Sierras Pampeanas, NW Argentina
Date
2012
Authors
Dahlquist, Juan A.
Rapela, Carlos W
Pankhurst, Robert J
Fanning, Christopher
Vervoort, J.D.
Hart, Garret
Baldo, Edgardo
Murra, Juan A.
Alasino, Pablo H.
Colombo, Fernando
Journal Title
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Volume Title
Publisher
Pergamon-Elsevier Ltd
Abstract
The granitic rocks of the Sierra de Ancasti represent one of the easternmost outcrops of the Famatinian arc of the Sierras Pampeanas. We report here new U-Pb SHRIMP and LA-ICP-MS Ordovician ages and a petrological and geochemical study of the Las CaƱadas
Description
Keywords
Keywords: asthenosphere; continental crust; fractional crystallization; granite; I-type rock; igneous rock; numerical model; outcrop; petrology; plagioclase; SHRIMP dating; uranium-lead dating; Argentina Fractional crystallization; I-type granite; U-Pb SHRIMP and LA-ICP-MS ages
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Source
Journal of South American Earth Sciences
Type
Journal article
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2037-12-31