Lascar topographic map

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Lascar

Large lava flows are noticeable on the flanks of the volcano, with a total of eight lava flows recognized. They extend from the summit craters, although none of them appear to be associated with the currently active crater. Flows from the first stage of Lascar's activity are exposed at its western foot, while lava flows are buried beneath pyroclastic material on the eastern flank. A 6-kilometre-long (3.7 mi) lava flow on the northern flank reaches almost to the village of Talabre. This lava flow is known as the Tumbres–Talabre lava flow; its margins are 10–40 metres (33–131 ft) high, and it features a central channel. The flow advanced just north of the head of Quebrada Talabre before passing over cliffs and entering it. Another lava flow on the southwest flank is known as the Capricorn Lava. This dacitic lava was erupted on Lascar at high altitude and has a blocky surface. It features well developed levees and a 10-metre-thick (33 ft) flow front. Its rocks have a pale gray-blue colour, and their composition resembles the Soncor flow, despite more mafic lavas and pyroclastics being erupted in the time period between the emplacement of the Soncor flow and the Capricorn Lava.

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About this map

Name: Lascar topographic map, elevation, terrain.

Location: Lascar, San Pedro de Atacama, Provincia de El Loa, Antofagasta Region, Chile (-23.36726 -67.73738 -23.36716 -67.73728)

Average elevation: 17,287 ft

Minimum elevation: 15,456 ft

Maximum elevation: 18,373 ft

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