INENCO   05446
INSTITUTO DE INVESTIGACIONES EN ENERGIA NO CONVENCIONAL
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
Ignimbrites of the Calalaste and Filo Colorado Sierras and the Aguada del Medano region, Puna Austral, Argentina: stratigraphic and volcanological approach.
Autor/es:
BLANCA ALFARO; WALTER BAEZ; MARCELO ARSONIO; CARLOS SOMMER
Lugar:
San pablo
Reunión:
Simposio; VI Simposio de Vulcanología y ambientes asociados; 2015
Institución organizadora:
Sociedad Brasileña de Geología
Resumen:
The southern part of the Altiplano Puna (Puna Austral) is located between latitudes 25 ° and 27 ° S (south portion of the Central Volcanic Zone) and recorded a significant volcanic activity from 20 Ma, until 5 Ka, linked to the subduction of the Farallon Plate - Nazca under the South American Plate. This region is characterized by the presence of abundant acid and crystal poor ignimbrites of small to medium volume (
rds']