IDEAN   23403
INSTITUTO DE ESTUDIOS ANDINOS "DON PABLO GROEBER"
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
El Volcanismo Terciario en la Quebrada Del Fierro, Cordillera del Colangüil, San Juan: Expresión Oriental del Magmatismo Paleógeno-Neógeno de la Cordillera Fronta
Autor/es:
LITVAK, V.D., POMA, S., QUENARDELLE, S. Y JONES, R
Lugar:
San Juan
Reunión:
Congreso; 11° Congreso de Mineralogia y Metalogenia; 2013
Institución organizadora:
Asociación Mineralógica Argentina
Resumen:
In the northeastern extreme of the Colangüil Cordillera, in San Juan province, crops out a volcanic sequence, which was previously assigned to the Miocene volcanism. It is composed by a lower section mainly formed by dacitic to rhyolitic lavas and tuffs, and an upper section of bas-andesitic lava flows. New radiometric ages correlate this sequence with Upper Oligocene-Lower Miocene volcanism registered to the west in the main arc in Main Cordillera.