Ignimbrite



[ig-nim-brahyt] /ˈɪg nɪmˌbraɪt/

noun, Petrology.
1.
a fine-grained volcanic rock consisting mainly of welded shards of feldspar and quartz.
/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 called welded tuft See tuft
ignimbrite
(ĭg’nĭm-brīt’)
A volcanic rock formed by the consolidation of volcanic ash and other material ejected by an explosive volcanic eruption.

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