Cochiquito volcanCochiquito is part of a small group of young volcanoes lies north of the town of Buta Ranquil, Argentina, near where the Río Grande and Río Barrancas join to form the Río Colorado.
Introduction:Volcán Cochiquito volcano is a young alkaline basaltic stratovolcano and is thought to be Holocene. There are 8 flank cones.
Volcán Sillanegra (or Malal) is another young, Holocene pyroclastic cone complex with 2 craters and basaltic aa lava flows east of the Río Grande.
Volcán Ranquil del Sur is a 3rd young small stratovolcano south of the Río Barranca. It contains a 600-m-wide crater and produced andesitic scoria and lava flows.
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