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The San Blas Pluton: An example of Carboniferous plutonism in the Sierras Pampeanas, Argentina

Dahlquist, Juan A.; Pankhurst, Robert J; Rapela, Carlos W; Casquet, Cesar; Fanning, Christopher; Alasino, Pablo H.; Baez, M.

Description

New geochronological and geochemical data are reported for the San Blas Pluton (SBP), in the northwestern Sierra de Velasco, Sierras Pampeanas, which intrudes Ordovician granitoids developed during the Famatinian orogeny. A precise Carboniferous age of 340±3 Ma is established by U-Pb dating of zircon using a sensitive high-resolution ion microprobe (SHRIMP). The SBP illustrates several petrological and geochemical characteristics of previously reported Carboniferous granitoids in the Sierras...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/25223
Source: Journal of South American Earth Sciences
DOI: 10.1016/j.jsames.2005.08.006

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