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30 million years of Permian volcanism recorded in the Choiyoi igneous province (W Argentina) and their source for younger ash fall deposits in the Parana Basin: SHRIMP U-Pb zircon geochronology evidence

Rocha-Campos, A.C.; Basei, Miguel Angelo Stipp; Nutman, Allen; Kleiman, Laura E.; Varela, R.; Llambias, E.; Canile, F.M.; de C.R. da Rosa, O.

Description

We present four SHRIMP U-Pb zircon ages for the Choiyoi igneous province from the San Rafael Block, central-western Argentina. Dated samples come from the Yacimiento Los Reyunos Formation (281.4 ± 2.5. Ma) of the Cochicó Group (Lower Choiyoi section: an

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
URI: http://hdl.handle.net/1885/61552
Source: Gondwana Research
DOI: 10.1016/j.gr.2010.07.003

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