original question: What type is [Sierra de Sangra]?
answer: stratovolcano
answer type: Mountain type.
auxiliary information: Sierra de Sangra is an extinct ice-clad stratovolcano with its summit located 10 km east of Villa O'Higgins. The volcanic masiff is heavily eroded and constitutes part of the Argentine-Chilean border in Patagonia.
The extinct ice-clad stratovolcano [Sierra de Sangra] in what classification is founded?