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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.


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
Source: Journal of South American Earth Sciences
DOI: 10.1016/j.jsames.2005.08.006


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