Southern Central Andes Neogene magmatism over the Pampean Flat Slab: implications on crustal and slab melts contribution to magma generation in Precordillera, Western Argentina

Southern Central Andes Neogene magmatism over the Pampean Flat Slab: implications on crustal and slab melts contribution to magma generation in Precordillera, Western Argentina

ABSTRACT A Miocene to Pliocene (13 to 4.6 Ma) mostly pyroclastic sequence is exposed along the Iglesia Valley, to the east of the former main volcanic arc. This area is a transitional region between Cordillera Frontal and Precordillera, over the flat slab segment of the Southern Central Andes, at 29...

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Autores principales: Poma,Stella, Ramos,Adriana, Litvak,Vanesa D., Quenardelle,Sonia, Maisonnave,Emma B., Díaz,Iris
Lenguaje:English
Publicado: Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2017
Materias:
Miocene magmatism
Geochemistry
Radiometric age
Arc expansion
Shallow subduction
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062017000300249
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