Ignimbrite — is a volcanic pyroclastic rock, often of dacitic or rhyolitic composition. Ignimbrite is the deposit of a pumice rich pyroclastic density current, or pyroclastic flow , a hot suspension of particles and gases that flows rapidly from a volcano,… … Wikipedia
ignimbrite — ● ignimbrite nom féminin (du latin imber, bris, pluie) Roche volcanique constituée de débris dacitiques à rhyolitiques soudés à chaud. (Elle résulte de l éruption explosive d un magma très visqueux et riche en gaz et présente un aspect hétérogène … Encyclopédie Universelle
Ignimbrite — Bloc d ignimbrite Ignimbrite observée au microscope. Le verr … Wikipédia en Français
ignimbrite — noun Etymology: German Ignimbrit, from Latin ignis + imbr (from imber rain) + German it 1 ite more at imbricate Date: 1932 a hard rock formed by solidification of chiefly fine deposits of volcanic ash … New Collegiate Dictionary
ignimbrite — /ig nim bruyt /, n. Petrol. a fine grained volcanic rock consisting mainly of welded shards of feldspar and quartz. Also called welded tuff. [1932; < L ign(is) fire + imbr , s. of imber rain, shower + ITE1] * * * rock composed of compacted… … Universalium
ignimbrite — noun A deposit left by the pyroclastic flow from a volcano, consisting of ash, pumice lapilli, and lithic fragments … Wiktionary
ignimbrite — i·gnim·brì·te s.f. TS petr. roccia eruttiva effusiva formatasi in seguito al consolidamento di materiale piroclastico vetroso fuoriuscito nel corso di un eruzione {{line}} {{/line}} DATA: sec. XX. ETIMO: der. di igni e del lat. imber pioggia con… … Dizionario italiano
ignimbrite — n. thin grained volcanic rock mainly composed of welded fragments of quartz and feldspar … English contemporary dictionary
ignimbrite — [ ɪgnɪmbrʌɪt] noun Geology a volcanic rock formed by the consolidation of material deposited by pyroclastic flows. Origin 1930s: from L. ignis fire + imber, imbr shower of rain, storm cloud + ite1 … English new terms dictionary
ignimbrite — ig·nim·brite … English syllables
