ignimbrite

[ ig-nim-brahyt ]
/ ˈɪg nɪmˌbraɪt /

noun Petrology.

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

Origin of ignimbrite

1932; < Latin ign(is) fire + imbr-, stem of imber rain, shower + -ite1

Definition for welded tuff (2 of 2)

welded tuff

noun Petrology.

British Dictionary definitions for welded tuff

ignimbrite
/ (ˈɪɡnɪmˌbraɪt) /

noun

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

Word Origin for ignimbrite

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

Scientific definitions for welded tuff

ignimbrite
[ ĭgnĭm-brīt′ ]

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