火山噴火

Uncertain eruption of Itasy Volcanic Field

紀元前8301年 · 19.03° S, 46.64° E

The Itasy volcanic field is a monogenetic volcanic field west of Lake Itasy in the Itasy Region of central Madagascar. It consists of a north–south trending group of lava domes, scoria cones and maars, as well as lava flows with varying compositions.

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時期
紀元前8301年
種類
火山噴火
座標
19.03° S, 46.64° E
Uncertain
はい
Date uncertainty
± 139 years
Dated by
Isotopic: 14C (calibrated)
Volcano number
233014
Eruption number
14172

Itasy volcanic field

Volcanic field in Madagascar

The Itasy volcanic field is a monogenetic volcanic field west of Lake Itasy in the Itasy Region of central Madagascar. It consists of a north–south trending group of lava domes, scoria cones and maars, as well as lava flows with varying compositions. Volcanism in the Itasy field began during the Pliocene with the eruption of trachytic lava domes and basanitic lava flows.

出典: Wikipedia、CC BY-SA · 記事を読む

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