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Cerro Toco (Stratovolcano - 5.604m or 18,386 ft), the Purico Complex, the Atacama desert, Antofagasta, Chile.

Cerro Toco (Stratovolcano - 5.604m or 18,386 ft), the Purico Complex, the Atacama desert, Antofagasta, Chile.

5.590 meters above sea level.

West of South America, the Nazca Plate subducts beneath the South America Plate at rates of 9–7 centimetres per year (3.5–2.8 in/year). This subduction process along with that of the Antarctic Plate beneath the South American Plate farther south is responsible for volcanism in the Andean Volcanic Belt.

Volcanic activity in the region of the Central Volcanic Zone has been ongoing for 200 million years, but with temporal and local variations; 25 million years ago for example it was centered farther east and later moved west. About 23 million years ago, large scale ignimbritic activity commenced in the region with the emplacement of the Oxaya Formation, followed by the Altos de Pica Formation 17-15 million years ago. However, effusive activity of andesitic composition dominated volcanism until the late Miocene.

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Photo taken @ San Pedro de Atacama on 15 February 2019 (© ER's Eyes / Flickr)

Related tags :
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