ignimbrite

[ig-nim-brahyt]

Phonetic (Standard)IPA

noun

Petrology.

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

ignimbrite

/ ˈɪɡ��ɪ��ˌ��ɪ�� /

Also called: welded tuft.��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 See tuft

ignimbrite

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

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

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

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Examples have not been reviewed.

So far, the team has found four previously unrecognized ignimbrite units at Sour Creek, suggesting at least four eruptive pulses.

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They thought they were looking at an ignimbrite, a volcanic flow deposit.

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Groundmass crystallisation and cooling rates of lava-like ignimbrites: the Grey’s Landing ignimbrite, southern Idaho, USA.

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