Payún Matrú
Payún Matrú is a shield volcano in the Malargüe Department of the Mendoza Province, in Argentina. It lies in the back-arc region of the Andean Volcanic Belt, and was formed by the subduction of the Nazca Plate beneath the South American Plate. It consists of a large shield volcano capped by a caldera, formed during a major eruption between 168,000...
