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

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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Autores principales: Dahlquist,Juan A, Verdecchia,Sebastián O, Baldo,Edgardo G, Basei,Miguel A.S, Alasino,Pablo H, Urán,Gimena A, Rapela,Carlos W, Neto,Mario da Costa Campos, Zandomeni,Priscila S
Lenguaje:English
Publicado: Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2016
Materias:
U-Pb Geochronology
Hf isotopes
Pampean granites
Sierra de Guasayan
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062016000100008
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http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062016000100008

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