エチオピア · 楯状火山
Tat Ali
- タイプ
- 楯状火山
- 標高
- 655m
- 最終噴火
- 不明
- タイプ
- 楯状火山
- 国
- エチオピア
- 地域
- 東アフリカ / Afar Rift Volcanic Province
- 標高
- 655m
- 座標
- 13.284, 41.063
- 最終噴火
- 不明
- テクトニクス環境
- リフト帯 / 中間地殻 (15-25 km)
- 火山地形
- 楯状火山
- 主要岩石
- 玄武岩 / ピクライト質玄武岩
地質学的概要
Tat Ali volcano is the dominant feature of the Tat Ali Range, east of Lake Afrera. The low Holocene shield volcano has an elongated summit depression and has produced a variety of rock types, ranging from basalts to pantellerites. NNW-SSE-trending fissures cutting the volcano have fed basaltic lava flows; those NE of Lake Afrera are of prehistorical age. Late-stage volcanism produced youthful basaltic lava flows on the floor of the summit depression, which is also the site of prominent fumarolic activity.
Wikipedia の要約
英語版の要約Tat Ali is a low Holocene shield volcano located in the northern part of the Afar Region of Ethiopia. This elevation is characterized as having an elongated summit depression that has produced a variety of rock types, ranging from basalts to pantellerites. NNW-SSE-trending fissures cutting the volcano have fed basaltic lava flows; those NE of Lake Afrera are of prehistoric date. Late-stage volcanism produced youthful basaltic lava flows on the floor of the summit depression, which is also the site of prominent fumarolic activity.
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