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Cile · Stratovulcano

Lomas Blancas

Blancas, Lomas

Tipo
Stratovulcano
Altitudine
2268 m
Ultima eruzione
Sconosciuto
The small light-brown area at the center of this NASA International Space Station image (with north to the bottom right) is Volcán Lomas Blancas. This small shield-like 2268-m-high stratovolcano of late-Pleistocene to Holocene age is located about 15 km SE of snow-capped Nevado de Longaví volcano (right-center). A 2.3-km-wide caldera, possibly formed by edifice collapse, can been seen opening to the SE. Pumice deposits probably originating from Nevado de Longaví blanket the volcano. The crescent-shaped lake at the upper left is Laguna del Dial.
The small light-brown area at the center of this NASA International Space Station image (with north to the bottom right) is Volcán Lomas Blancas. This small shield-like 2268-m-high stratovolcano of late-Pleistocene to Holocene age is located about 15 km SE of snow-capped Nevado de Longaví volcano (right-center). A 2.3-km-wide caldera, possibly formed by edifice collapse, can been seen opening to the SE. Pumice deposits probably originating from Nevado de Longaví blanket the volcano. The crescent-shaped lake at the upper left is Laguna del Dial. · Foto: NASA International Space Station image ISS008-E-7432, 2003 (http://eol.jsc.nasa.gov/).
Tipo
Stratovulcano
Paese
Cile
Regione
Sud America / Southern Andean Volcanic Arc
Altitudine
2268 m
Coordinate
-36.286, -71.009
Ultima eruzione
Sconosciuto
Contesto tettonico
Zona di subduzione / Crosta continentale (> 25 km)
Forma vulcanica
Composito
Roccia principale
Basalto / Picrobasalto
Sintesi geologica

Volcán Lomas Blancas is a small shield-like feature of late-Pleistocene to Holocene age (Moreno and Naranjo, 1991) located about 15 km SE of Nevado de Longaví. An open scarp to the SE side extends about 2.3 km from the summit. The central cone is basaltic. basaltic andesite aa lava flows extend 7 km from the scarp. Much of the volcano is covered by pumice deposits that probably originated from Nevado de Longaví.

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⚠ Solo a scopo informativo. Non adatto a situazioni di emergenza.