Alasino, Pablo H.; Dahlquist, Juan A.; Pankhurst, Robert J; Galindo, Carmen; Casquet, Cesar; Rapela, Carlos W; Larrovere, M.A.; Fanning, Christopher
A recently discovered granitic intrusion at Cerro La Gloria in western Sierra de Famatina (NW Argentina) is representative of sub- to mid-alkaline Carboniferous magmatism in the region. The main rock type consists of microcline, quartz and plagioclase, with amphibole, magnetite, ilmenite, biotite, epidote, zircon, allanite and sphene as accessory minerals. We report a U-Pb zircon SHRIMP age for the pluton of 349±3Ma (MSWD=1.1), i.e., Tournaisian. Whole-rock chemical composition and Nd isotope...[Show more]
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