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남아프리카 · 순상화산

Prince Edward Island

화산 유형
순상화산
해발
672m
마지막 분화
미확인
Prince Edward Island
사진: NASA Earth Observatory image created by Jesse Allen, using EO-1 ALI data provided courtesy of the NASA EO-1 team and the United States Geological Survey. Caption by Michon Scott. · Public domain · Wikimedia Commons
화산 유형
순상화산
국가
남아프리카
지역
소말리아·남극 / Marion Hotspot Volcano Group
해발
672m
좌표
-46.630, 37.950
마지막 분화
미확인
판구조 환경
열곡대 / 해양 지각 (< 15 km)
화산 지형
순상화산체
주요 암석
현무암 / 피크로현무암
지질학적 요약

Uninhabited 5 x 10-km-wide Prince Edward Island lies opposite Marion Island at the N end of a submarine plateau on the Antarctic Plate immediately S of the SW Indian Ocean Ridge. It is a low-angle remnant of a large shield volcano formerly centered off the current NW shore of the island. Pleistocene and Holocene scoria cones and tuff cones are located throughout the unglaciated island, which was active contemporaneously with nearby Marion Island. Fifteen of the scoria cones and four tuff cones on the coastal plain were active during the Holocene.

Wikipedia 요약

영어 요약

The Prince Edward Islands are two small uninhabited subantarctic volcanic islands in the southern Indian Ocean that are administered by South Africa. They are named Marion Island and Prince Edward Island.

Wikipedia · CC BY-SA · 전체 기사 보기 →

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