Diatreme
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A diatreme, sometimes known as a maar-diatreme volcano, is a volcanic pipe associated with a gaseous explosion. When magma rises up through a crack in Earth's crust and makes contact with a shallow bo
Aerial view of the Moses Rock Dike diatreme in San Juan County, Utah
An illustration using a mix of common and geological terms of a diatreme. The crater and tuff terms are usually combined into the term maar, and maar is often combined into the term diatreme (see text for definitions) rather than diatreme excluding the maar.
Volcanic pipe
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Volcanic pipes or volcanic conduits are subterranean geological structures formed by the violent, supersonic eruption of deep-origin volcanoes. They are a type of diatreme composed of a deep, narrow c
Diatreme
…A diatreme, sometimes known as a maar-diatreme volcano, is a volcanic pipe associated with a gaseous explosion. When magma rises up through a crack in Earth's crust and makes contact with a shallow body of groundwater, rapid…
Mount Hypipamee Crater, Atherton Tableland, Queensland, Australia. This residue of a pipe is about 100 m (330 ft) across.