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키알라그빅산

Kialagvik

성층화산 · United States · 1677m

The SE side of a Holocene dome at Kialagvik rises 350 m above a surrounding glacier. It lies at the NE end of a segment of the Alaska Peninsula that includes neighboring Chiginagak and Yantarni volcanoes. Lava flows and overlying block-and-ash-flow deposits are exposed on the SW flank and in a small area on the NE flank.
The SE side of a Holocene dome at Kialagvik rises 350 m above a surrounding glacier. It lies at the NE end of a segment of the Alaska Peninsula that includes neighboring Chiginagak and Yantarni volcanoes. Lava flows and overlying block-and-ash-flow deposits are exposed on the SW flank and in a small area on the NE flank. · 사진: Photo courtesy of Alaska Volcano Observatory, U.S. Geological Survey. · Wikimedia Commons
화산 유형
성층화산
국가
United States
지역
North America Volcanic Regions / Alaska Peninsula Volcanic Arc
해발
1677m
좌표
57.203, -156.745
마지막 분화
미확인
판구조 환경
Subduction zone / Continental crust (> 25 km)
화산 지형
Composite
주요 암석
Andesite / Basaltic Andesite
지질학적 요약

Kialagvik is a small, poorly known glacier-mantled stratovolcano NE of Chiginagak volcano with a Holocene central lava dome and associated pyroclastic-flow deposits (Riehle, in Wood and Kienle 1990). The central dome rises 350 m above an ice field that mantles the upper part of the volcano. Andesitic lava flows and overlying dacitic block-and-ash-flow deposits are exposed broadly on the SW flank and in a small area on the NE flank. No historical activity is known.

Wikipedia 요약

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키알라그빅산(Kialagvik)은 미국 알래스카주에 있는 성층 화산이다.

Wikipedia · CC BY-SA · 전체 기사 보기

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