Argentina · Cono piroclástico

Unnamed volcano

Central Andean Arc at 25.1°S

Tipo: Cono piroclástico
Altitud: 4652 m
Última erupción: Desconocido

This unnamed scoria cone near the Chile/Argentina border has produced lava flows to the east, visible in this July 2019 Planet Labs satellite image Monthly Mosaic (N is at the top; this image is approximately 8.5 km across). The visible flows have clear lobate or broader flow boundaries, levees, and pressure ridges, while other lavas have been buried by sand deposits. · Foto: Satellite image courtesy of Planet Labs Inc., 2019 (https://www.planet.com/).

Tipo: Cono piroclástico
País: Argentina
Región: América del Sur / Central Andean Volcanic Arc
Altitud: 4652 m
Coordenadas: -25.078, -68.266
Última erupción: Desconocido
Contexto tectónico: Zona de subducción / Corteza continental (> 25 km)
Forma volcánica: Menor
Roca principal: Andesita / Andesita basáltica

Resumen geológico

An isolated basaltic andesite cinder cone was constructed on top of Miocene ignimbrites and lava flows between the Corrida de Cori range on the Chile/Argentina border and the Salar Río Grande in Argentina. Blocky lava flows from the cone descended in a broad lobe to the SE and in a narrow tongue to the E nearly to the Salar Río Grande. A second smaller vent lies about 800 m NW of the cinder cone. The relatively fluid lava flows display surficial breadcrust textures and were considered by Richards and Villeneuve (2002) to be very young, possibly of Holocene age.

Historial de erupciones

Glosario

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