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ignimbrite

[ ig-nim-brahyt ]

noun

, Petrology.
  1. a fine-grained volcanic rock consisting mainly of welded shards of feldspar and quartz.


ignimbrite

/ ˈɪɡnɪmˌbraɪt /

noun

  1. a rock formed by the deposition at high temperature and the consolidation of a nuée ardente or other type of ash flow, being a complicated mixture of volcanic materials welded together by heat, hot gases, and pressure Also calledwelded tuft See tuft


ignimbrite

/ ĭgnĭm-brīt′ /

  1. A volcanic rock formed by the consolidation of volcanic ash and other material ejected by an explosive volcanic eruption.


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Word History and Origins

Origin of ignimbrite1

1932; < Latin ign ( is ) fire + imbr-, stem of imber rain, shower + -ite 1
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Word History and Origins

Origin of ignimbrite1

C20: from Latin ign ( is ) fire + imbr ( is ), imber shower of rain + -ite 1

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ignescentignis fatuus