Definition of ignimbrite in English:

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ignimbrite

Pronunciation: /ˈɪɡnɪmbrʌɪt/

noun

[mass noun] Geology
A volcanic rock consisting essentially of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows.
Example sentences
  • Significant differential neotectonic rotations are not evident across the NE continuation of this fault but are detected across the Erciyes pull-apart basin in the 2.8 Ma Incesu ignimbrite.
  • Low glass viscosity and rapid welding of ignimbrite would be principally favoured by high-temperature emplacement, alkaline magmatic composition and incomplete degassing.
  • The unit is an orange/red-weathered ignimbrite, which is generally massive and strongly feldsparphyric.

Origin

1930s: from Latin ignis 'fire' + imber, imbr- 'shower of rain, storm cloud' + -ite1.

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