˜yÐÄvlog

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diatreme

[ dahy-uh-treem ]

noun

Geology.
  1. a volcanic vent produced in a solid rock structure by the explosive energy of gases in magmas.


diatreme

/ »åī′ə-³Ù°ùŧ³¾â€² /

  1. A volcanic pipe, filled with breccia, formed by a subterranean gaseous explosion.
  2. See illustration at batholith
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˜yÐÄvlog History and Origins

Origin of diatreme1

1930–35; dia- + Greek ³Ù°ùê³¾²¹ hole

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