Early Cambrian U-Pb zircon age and Hf-isotope data from the Guasayán pluton, Sierras Pampeanas, Argentina: implications for the northwestern boundary of the Pampean arc
An Early Cambrian pluton, known as the Guasayan pluton, has been identified in the central area of Sierra de Guasayan, northwestern Argentina. A U-Pb zircon Concordia age of 533±4 Ma was obtained by LA-MC-ICP-MS and represents the first report of robustly dated Early Cambrian magmatism for the north...
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| Auteurs principaux: | , , , , , , , , |
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| Langue: | English |
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Servicio Nacional de Geología y Minería (SERNAGEOMIN)
2016
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| Accès en ligne: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062016000100008 |
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