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Licancabur

Stratovolkan · Chile-Bolivia · 5916 m

The symmetrical Licancabur stratovolcano (left) rises above a basement of rhyodacitic ignimbrites and dacitic lava domes.   A small 80-m-wide lake, one of the world's highest, occupies its 400-m-wide summit crater.  Archaeological ruins were found on the 5916-m-high crater rim of Volcán Lincancabur.  Young lava flows with prominent levees extend up to 6 km down the NW-to-SW flanks of the volcano.
The symmetrical Licancabur stratovolcano (left) rises above a basement of rhyodacitic ignimbrites and dacitic lava domes. A small 80-m-wide lake, one of the world's highest, occupies its 400-m-wide summit crater. Archaeological ruins were found on the 5916-m-high crater rim of Volcán Lincancabur. Young lava flows with prominent levees extend up to 6 km down the NW-to-SW flanks of the volcano. · Foto: Photo by Oscar González-Ferrán (University of Chile). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Chile-Bolivia
Wilayah
South America Volcanic Regions / Central Andean Volcanic Arc
Ketinggian
5916 m
Koordinat
-22.830, -67.880
Letusan terakhir
Tidak diketahui
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

The symmetrical steep-sided Licancabur stratovolcano was constructed primarily during the Holocene and contains a lake in its 400-m-wide summit crater. The Pleistocene Juriques volcano is located immediately to the SE and is capped by a 1.5-km-wide summit crater. Archaeological ruins were found on the crater rim. The shallow freshwater summit lake is 70 x 90 m and has a measured temperature of 6°C, supporting growth of planktonic fauna at nearly 6,000 m elevation. Young blocky andesitic lava flows with prominent levees extend up to 6 km down the NW-to-SW flanks; older flows reach up to 15 km from the summit crater and are covered by pyroclastic-flow deposits that extend 12 km. The most recent activity produced flank lava flows.

Ringkasan Wikipedia

Licancabur adalah gunung berapi kerucut menonjol setinggi 5.916 meter yang terletak di perbatasan Bolivia–Chili dalam Zona Vulkanik Tengah Pegunungan Andes. Puncaknya ditandai oleh kawah selebar 400–500 meter yang di dalamnya terdapat Danau Licancabur, sebuah danau kawah yang termasuk salah satu danau tertinggi di dunia. Tidak terdapat gletser di gunung ini karena iklimnya yang kering. Beragam spesies tumbuhan dan hewan hidup di lerengnya. Gunung berapi Sairecabur dan Juriques masing-masing terletak di sebelah utara dan timur Licancabur.

Wikipedia · CC BY-SA · Baca artikel lengkap

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