Cordón de Puntas Negras

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Cordón de Puntas Negras is a 500 km2 (193 mi2) volcanic chain located east of the Salar de Atacama in Chile's Antofagasta Region. Cordón de Puntas Negras is constructed along the major Calama–Olacapato–El Toro fault and is 70 kilometres (43 mi) long. The 25 kilometres (16 mi) long volcanic chain int

ersects with the 13 kilometres (8.1 mi) long Cordón Chalviri volcanic chain. Both chains cover a surface area of 500 square kilometres (190 sq mi) and contain cones, vents, lava domes, lava flows and maars, including a lava dome and silicic flow with a surface area of 13 square kilometres (5.0 sq mi). Puntas Negras specifically covers an area of 400 square kilometres (150 sq mi) and is the highest summit in the chain and features a 500 metres (1,600 ft) wide crater and a 13 kilometres (8.1 mi) long pyroclastic flow. Puntas Negras runs from the Chiliques volcano on the north to volcán Puntas Negras (5,852 m (19,199 ft)) almost to the SE. The Puntas Negras Volcano forms the common endpoint of two chains of volcanoes in a V-shaped configuration. The southern leg of the V is called "Cordón Chalviri" whose other extreme is the Cerro Tuyajto, SW of Puntas Negras and at the same distance SE of the...

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