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Falso Azufre

Vulcano complesso · Chile-Argentina · 5906 m

The Falso Azufre volcanic complex, covering 387 km2 at the Chile-Argentina border, was constructed largely by lava flows up to 7 km long and 4 km wide, shown in this April 2019 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 22 km across). The crater of the Kunstmann edifice is in the upper left corner, and the eastern domes, coulees, and lava flows are to the far right. The summit region craters are aligned along a NW-SE trend to the W (the Falso Azufre edifice), and along a ENE-WSW trend on the eastern side (the Dos Conos edifice).
The Falso Azufre volcanic complex, covering 387 km2 at the Chile-Argentina border, was constructed largely by lava flows up to 7 km long and 4 km wide, shown in this April 2019 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 22 km across). The crater of the Kunstmann edifice is in the upper left corner, and the eastern domes, coulees, and lava flows are to the far right. The summit region craters are aligned along a NW-SE trend to the W (the Falso Azufre edifice), and along a ENE-WSW trend on the eastern side (the Dos Conos edifice). · Foto: Satellite image courtesy of Planet Labs Inc., 2019 (https://www.planet.com/). · Wikimedia Commons
Tipo
Vulcano complesso
Paese
Chile-Argentina
Regione
South America Volcanic Regions / Central Andean Volcanic Arc
Altitudine
5906 m
Coordinate
-26.800, -68.370
Ultima eruzione
Sconosciuto
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
No Data (checked)
Sintesi geologica

The Falso Azufre volcanic complex is a 15-km-long, E-W trending group of overlapping craters, lava domes, and composite cones extending from Chile into Argentina. The western portion includes the high point and principal edifice of the complex, Cerro Falso Azufre, and consists of overlapping craters that produced dominantly pyroclastic products. The eastern portion, located wholly in Argentina, contains two small composite cones and two lava domes that appear to represent the most recent activity of the complex and may be of Holocene age (de Silva, 2007 pers. comm.).

Sintesi da Wikipedia

Riassunto in inglese

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Falso Azufre is a complex volcano at the border of Argentina and Chile.

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