Geochemistry, U-Pb SHRIMP zircon dating and Hf isotopes of the Gondwanan magmatism in NW Argentina: petrogenesis and geodynamic implications

Geochemistry, U-Pb SHRIMP zircon dating and Hf isotopes of the Gondwanan magmatism in NW Argentina: petrogenesis and geodynamic implications

We have carried out zircon U-Pb SHRIMP dating and Hf isotope determinations as well as geochemical analyses on three plutonic units of Gondwanan magmatism that crop out in NW Argentina. Two episodes of different age and genesis have been identified. The older one includes gabbros and diorites (Río G...

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Autores principales: Poma,Stella, Zappettini,Eduardo O, Quenardelle,Sonia, Santos,João O, Koukharsky,Magdalena, Belousova,Elena, McNaughton,Neil
Lenguaje:English
Publicado: Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2014
Materias:
Gondwanan magmatism
Geochemistry
U-Pb SHRIMP dating
Lu-Hf isotope
NW Argentina
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062014000200001
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