21°47′09″S68°18′37″W / 21.78583°S 68.31028°W / -21.78583; -68.31028 (Cerro Chanka)[1]Cerro Chanka (also known as Chanka or Pabellon) is a Pleistocene lava dome in the Andes. It is part of the Altiplano-Puna volcanic complex. Potassium-argon dating indicates that the dome last erupted 119.8±5.4 ka ago.[1] Another reported age is 1.5±0.1 mya.[2]
The dome is located on the northwestern side of Cerro del Azufre. It is constructed from three lobes with diameters of 1.5 kilometres (0.93 mi). The flanks of the dome are steep and talus and lava blocks lie at its feet.[1]
Cerro Chanka has a SiO2 content of 66% and is of calc-alkaline origin. The lavas are potassium-rich dacitic and rhyolitic save for an andesitic mafic component, and rich in crystals.[1]
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/ 21.78583°S 68.31028°W / -21.78583; -68.31028 (CerroChanka) CerroChanka (also known as Chanka or Pabellon) is a Pleistocene lava dome in the Andes...
Chanca or Chanka may refer to: Chanca people, an ethnic group of Peru Chanca Quechua, a language of Peru Chhanka, a mountain in Peru CerroChanka, a lava...
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dome called Chanka or Pabellón. The 6000 metre volcanoes San Pedro and San Pablo are located to the southwest of Cerro del Azufre. Cerro del Azufre lies...
activity has declined. In the late Pleistocene, the lava domes CerroChanka, Cerro Chao, Cerro Chascon-Runtu Jarita complex, Chillahuita and Tocorpuri were...
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Fajardo Province, Sarhua District, northeast of Sarhua. The site of the Chanka period lies on top of a mountain at 3,500 m (11,483 ft). Frank Meddens,...
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