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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Detalles Bibliográficos
Autores principales:	Poma, S., Zappettini, E.O., Quenardelle, S., Santos, J.O., Koukharsky, M., Belousova, E., McNaughton, N.
Formato:	JOUR
Materias:	Geochemistry Gondwanan magmatism Lu-Hf isotope NW Argentina U-Pb SHRIMP dating diorite gabbro geochemistry geodynamics Gondwana granitoid hafnium isotopic analysis lutetium magmatism mantle source petrogenesis SHRIMP dating tectonic setting uranium-lead dating zircon Andes Argentina Cordillera Frontal Mendoza San Rafael [Mendoza] Anisia
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_07187092_v41_n2_p267_Poma
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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