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Antillanca Group

Antillanca Volcanic Complex

성층화산 · Chile · 1979m

Casablanca volcano, whose summit is visible at the upper right, is the highest peak of the Antillanca volcano group. Raihuen crater (lower left) lies at the base of Casablanca. The Antillanca Group is a cluster of late-Pleistocene to Holocene scoria cones, maars, and small stratovolcanoes covering an area of 380 km2 SE of Lago Puyehue and NE of Lago Rupanco. Older late-Pleistocene stratovolcanoes have been extensively dissected by glaciers, but numerous small Holocene volcanic centers are present.
Casablanca volcano, whose summit is visible at the upper right, is the highest peak of the Antillanca volcano group. Raihuen crater (lower left) lies at the base of Casablanca. The Antillanca Group is a cluster of late-Pleistocene to Holocene scoria cones, maars, and small stratovolcanoes covering an area of 380 km2 SE of Lago Puyehue and NE of Lago Rupanco. Older late-Pleistocene stratovolcanoes have been extensively dissected by glaciers, but numerous small Holocene volcanic centers are present. · 사진: Photo by Klaus Dorsch, 2001 (University of Munich). · Wikimedia Commons
화산 유형
성층화산
국가
Chile
지역
South America Volcanic Regions / Southern Andean Volcanic Arc
해발
1979m
좌표
-40.783, -72.150
마지막 분화
-230년
판구조 환경
Subduction zone / Continental crust (> 25 km)
화산 지형
Composite
주요 암석
Basalt / Picro-Basalt
지질학적 요약

The Antillanca Volcanic Complex is a cluster of late-Pleistocene to Holocene basaltic-to-andesitic scoria cones, maars, and small stratovolcanoes covering an area of 380 km2 SE of Lago Puyehue and NE of Lago Rupanco. The most prominent edifice is the Holocene Casablanca stratovolcano, which has a truncated conical profile and produced major explosive eruptions about 2,910 and 2,260 radiocarbon years ago. Older late-Pleistocene stratovolcanoes, such as Sarnoso to the SW and Fiuchá to the NW, are extensively dissected by glaciers. Fissures oriented in four major directions influence the orientation of the cones. Thermal areas are found in scattered locations on the NW side of the complex.

Wikipedia 요약

영어 요약

The Antillanca Group is a volcanic group of scoria cones, maars and small stratovolcanoes, in Chile. Casablanca stratovolcano is the tallest volcano of the group, which shelters the Antillanca ski resort on its west flank. Aguas Calientes and Puyehue Hot springs also form part of this volcanic group. The complex encompasses 380 km2 and to the west is bordered by the lakes Puyehue and Rupanco.

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분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
960 BCE~887 BCE · 1건 · 최고 VEI 5303 BCE~230 BCE · 1건 · 최고 VEI 5960 BCE814 BCE595 BCE449 BCE303 BCE

상세 타임라인

  1. 기원전 230년 (±200년)VEI 5지질학적 추정
    BCE 230 ~ 진행 중
    Casablanca (Raihuén crater)
  2. 기원전 960년 (±150년)VEI 5지질학적 추정
    BCE 960 ~ 진행 중

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