スタージ島
Sturge Island
成層火山 · Antarctica · 1167m
- タイプ
- 成層火山
- 国
- Antarctica
- 地域
- Antarctic-Scotia Volcanic Regions / Balleny Hotspot Volcano Group
- 標高
- 1167m
- 座標
- -67.400, 164.830
- 最終噴火
- 不明
- テクトニクス環境
- Rift zone / Oceanic crust (< 15 km)
- 火山地形
- Composite
- 主要岩石
- Trachybasalt / Tephrite Basanite
地質学的概要
Sturge is the largest and southernmost of the Balleny Islands, which are located just off the coast of Antarctica's Victoria Land. The 44-km-long island is completely mantled by an icecap and has a prominent summit, Russel Peak, at the northern end. "Volcanic activity" was reported on a U.S. Navy chart, but no indications of present or past activity were noted in 1959 (Catalog of Active Volcanoes of the World). No detailed geologic studies have been conducted in the inaccessible Balleny Islands.
Wikipedia の要約
英語版の要約Sturge Island is one of the three main islands in the uninhabited Balleny Islands group located in the Southern Ocean. It lies 25 km (16 mi) southeast of Buckle Island and 95 km (59 mi) north-east of Belousov Point on the Antarctic mainland. The island, in Oates Land, also forms part of the Ross Dependency, claimed by New Zealand.
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噴火履歴
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外部リンク
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