Diatreme

Diamond Head, a tuff cone that formed 200,000 years ago.

A diatreme, sometimes known as a maar-diatreme volcano, is a volcanic pipe formed by a gaseous explosion. When magma rises up through a crack in the Earth's crust and makes contact with a shallow body of ground water, rapid expansion of heated water vapor and volcanic gases can cause a series of explosions. A relatively shallow crater is left (known as a maar) and a rock filled fracture (the actual diatreme) in the Earth's crust. Diatremes breach the Earth's surface and produce a steep inverted cone shape.

单词	diatreme
释义	diatreme /'daɪətriːm/ 英汉-汉英词典火山道词组 \| 习惯用语您要查找的是不是： determine v. 决定；决心；确定；测定 daydream vi. 做白日梦 n. 白日梦 mediator n. 调停者；传递者；中介物 diatribe n. 诽谤；恶骂 diatreme n. 火山爆发口，[地质] 火山道网络短语: diatreme phase 火山颈相 diatreme breccia 爆发砾角岩 phreatic diatreme 蒸气〔火山〕道 diatreme breccia pipe 火山爆发角砾岩筒英语百科 Diatreme A diatreme, sometimes known as a maar-diatreme volcano, is a volcanic pipe formed by a gaseous explosion. When magma rises up through a crack in the Earth's crust and makes contact with a shallow body of ground water, rapid expansion of heated water vapor and volcanic gases can cause a series of explosions. A relatively shallow crater is left (known as a maar) and a rock filled fracture (the actual diatreme) in the Earth's crust. Diatremes breach the Earth's surface and produce a steep inverted cone shape.
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diatreme /'daɪətriːm/

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网络短语:

Diatreme