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Casiri

Casiri, Nevados

Stratovulcano · Peru · 5626 m

Four cones of the Nevados Casiri complex are seen in this July 2019 Planet Labs satellite image monthly mosaic (N is at the top; the image is approximately 11 km across). The three older cones are in a E-W trend, and the younger SE cone has a crater containing a dome along with two lava flows to the S and SE with visible levees and pressure ridges.
Four cones of the Nevados Casiri complex are seen in this July 2019 Planet Labs satellite image monthly mosaic (N is at the top; the image is approximately 11 km across). The three older cones are in a E-W trend, and the younger SE cone has a crater containing a dome along with two lava flows to the S and SE with visible levees and pressure ridges. · Foto: Satellite image courtesy of Planet Labs Inc., 2019 (https://www.planet.com/). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Peru
Regione
South America Volcanic Regions / Central Andean Volcanic Arc
Altitudine
5626 m
Coordinate
-17.485, -69.789
Ultima eruzione
Sconosciuto
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Trachyte / Trachydacite
Sintesi geologica

The Nevados Casiri compound volcano in Peru, also known as Paugarani, lies near the Chilean border ~25 km N of Tacora volcano. The trachytic and trachyandesitic complex consists of four volcanic edifices, with the youngest cone on the SE side. Two dark younger lava flows are SE of the most recently active cone, which has a well-defined summit crater. An older lava dome is located to the west. Sulfur has been mined on the NW and SE flanks.

Sintesi da Wikipedia

Riassunto in inglese

Casiri, also known as Paucarani, is an about 5,650 metres (18,537 ft) high complex volcano in the Barroso mountain range of the Andes, in the Tacna Region of Peru. It consists of four individual volcanic edifices with lava domes; the southeasternmost edifice has been active during the Holocene, producing thick lava flows that have overrun moraines of Pleistocene age. The youngest lava flow has been dated to 2,600 ± 400 years ago. Although no historical eruptions are known, the volcano is considered to be potentially active and is monitored.

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