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Falso Azufre

複成火山 · Chile-Argentina · 5906m

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). · 写真: Satellite image courtesy of Planet Labs Inc., 2019 (https://www.planet.com/). · Wikimedia Commons
タイプ
複成火山
国
Chile-Argentina
地域
South America Volcanic Regions / Central Andean Volcanic Arc
標高
5906m
座標
-26.800, -68.370
最終噴火
不明
テクトニクス環境
Subduction zone / Continental crust (> 25 km)
火山地形
Composite
主要岩石
No Data (checked)
地質学的概要

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.).

Wikipedia の要約

英語版の要約

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

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