a volcanic vent produced in a solid rock structure by the explosive energy of gases in magmas.
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How to use diatreme in a sentence
Most maars have low rims composed of a mixture of loose fragments of volcanic rock and rocks torn from the walls of the diatreme.Volcanoes | Robert I. Tilling
Scientific definitions for diatreme
A volcanic pipe, filled with breccia, formed by a subterranean gaseous explosion. See illustration at batholith.
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