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Korath

Korath Range

응회원추 · Ethiopia · 912m

The fissure-controlled Korath Range is an isolated group of tuff cones and lava flows in southern Ethiopia that were erupted along the Turkana Rift. The lava flows traveled up to about 5 km with visible lobate margins, most prominently on the W flanks.
The fissure-controlled Korath Range is an isolated group of tuff cones and lava flows in southern Ethiopia that were erupted along the Turkana Rift. The lava flows traveled up to about 5 km with visible lobate margins, most prominently on the W flanks. · 사진: NASA Landsat 7 image (worldwind.arc.nasa.gov) · Wikimedia Commons
화산 유형
응회원추
국가
Ethiopia
지역
Eastern Africa Volcanic Regions / Kenyan Rift Volcanic Province
해발
912m
좌표
5.117, 35.892
마지막 분화
미확인
판구조 환경
Rift zone / Intermediate crust (15-25 km)
화산 지형
Cluster
주요 암석
Trachybasalt / Tephrite Basanite
지질학적 요약

The Korath Range is an isolated group of about 20 tuff cones and lava flows in southern Ethiopia that were erupted along the Turkana Rift, which extends north from Kenya. Many of the cones issued lava flows from their flanks that traveled up to about 5 km. The apparent youngest flow issued from the central crater and flowed through a breach in its rim. The absolute age of the dominantly basanitic-tephritic lava flows is unknown, but a shell adhering to the youngest flow was radiocarbon dated at 7,900 years before present (BP) (Brown et al., 1969). Davidson (1983) indicated an age between 30,000 and 7,900-9,500 BP.

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