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케냐 · 응회원추

North Island

Lake Turkana North Island

화산 유형: 응회원추
해발: 490m
마지막 분화: 미확인

North Island in the north-central part of Lake Turkana is the northernmost and smallest of three volcanic islands in the lake. The two darker lava flows originated from a central tuff ring and formed lava deltas. The broad northern flow (left) originated from a vent on the flank and produced a 900-m-wide, lobate delta. The western flow (lower right) moved from the central vent through a breach in the western crater wall. Fumarolic activity occurs along the light-colored ridge at the top and along the SW coast. — North Island in the north-central part of Lake Turkana is the northernmost and smallest of three volcanic islands in the lake. The two darker lava flows originated from a central tuff ring and formed lava deltas. The broad northern flow (left) originated from a vent on the flank and produced a 900-m-wide, lobate delta. The western flow (lower right) moved from the central vent through a breach in the western crater wall. Fumarolic activity occurs along the light-colored ridge at the top and along the SW coast. · 사진: Photo by Martin Smith, 1993 (copyright British Geological Survey, NERC).

화산 유형: 응회원추
국가: 케냐
지역: 동아프리카 / Kenyan Rift Volcanic Province
해발: 490m
좌표: 4.063, 36.046
마지막 분화: 미확인
판구조 환경: 열곡대 / 대륙 지각 (> 25 km)
화산 지형: 소규모 (현무암질)
주요 암석: 조면안산암 / 현무암질 조면안산암

지질학적 요약

영어 원문

The 2-km-wide North Island in Lake Turkana is the northernmost and smallest of three volcanic islands in the lake.

출처: Global Volcanism Program, Smithsonian Institution (발췌) · GVP에서 전체 요약 읽기 →

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