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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Gas slug ： ウィキペディア英語版 Gas slug A gas slug is a conglomerate of high pressure gas bubbles that forms within certain volcanoes, the agittation of which is a key driving factor in Strombolian eruptions. They start out as small bubbles of gas inside of volcanic magma. These accumulate into one large bubble, which starts to rise through the lava plume. Once this accumulated slug reaches the top of the column and comes in contact with air, it bursts with a loud pop〔(【引用サイトリンク】url=http://www.geology.sdsu.edu/how_volcanoes_work/Strombolian.html )〕 because of the lower air pressure, throwing magma into the air in the typical lava arc of a Strombolion eruption. This type of eruption is episodic, non-damaging to its source vent, and one of the slowest forms of activity, with the ability to sustain itself for thousands of years. Although the effect of lava slugs is well understood, how they form is not well understood, but recent research suggests that they can form as deep as under the surface. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gas slug」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.