Earth:Porunita

Short description: An inactive volcano in Chile

Template:Coord/display/intitlePorunita is an inactive volcano in Chile .

It is a cinder cone which rises 90 metres (300 ft) above the surrounding plain and has a diameter of 800 metres (2,600 ft). The cone was constructed by andesite pyroclastic material and features a summit crater. The cone was formed 3.5 million years ago and has been degraded by erosion since then.

Sources

• Vergara, Hernan L.. "El vulcanismo superior en un sector Andino del Norte Grande de Chile" (in es). p. 175. Archived from the original on 2015-11-25. https://web.archive.org/web/20151125154312/http://biblioserver.sernageomin.cl/opac/DataFiles/4913ppE169_E191.pdf. 
• Gardeweg, M.; Selles, D.; Arcos, R.; Pino, H.; Camacho, J.; Sprohnle, C.; Sanhueza, A.; Mont, A.. "Volcanismo del Cenozoico tardío al este de Collahuasi, Región de Tarapacá, Chile" (in es). p. 3. http://biblioserver.sernageomin.cl/opac/DataFiles/12993_v2_S8_013.pdf.