- felsite
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The buff-colored dacites of the Superstition Mountains are felsites.
b) Often used as a generic term for any light colored volcanic rock until the true mineralogy can be determined.
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felsite
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Felsite — is a very fine grained volcanic rock that may or may not contain larger crystals. Felsite is a field term for a light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Color is… … Wikipedia
Felsite — couverte de formations dendritiques pyrolusite. La felsite est une roche volcanique qui peut éventuellement contenir des cristaux. Les plus grands gisements de felsite se trouvent en Arménie.[réf. nécessaire] … Wikipédia en Français
Felsite — Fel site, n. [Cf. {Feldspar}.] (Min.) A finegrained rock, flintlike in fracture, consisting essentially of orthoclase feldspar with occasional grains of quartz. [1913 Webster] … The Collaborative International Dictionary of English
felsite — ● felsite nom féminin (de feldspath et de silicate) Roche hololeucocrate à feldspath alcalin et quartz … Encyclopédie Universelle
felsite — s. m. Mineral semelhante ao sílex … Dicionário da Língua Portuguesa
felsite — [fel′sīt΄] n. [< FELSPAR + ITE1] a light colored, dense, fine grained igneous rock consisting mainly of feldspar and quartz … English World dictionary
felsite — felzitas statusas T sritis chemija apibrėžtis Porfyrinių uolienų pagrindinė nevisiškai kristalinė (kriptokristalinė) masė. atitikmenys: angl. felsite rus. фельзит … Chemijos terminų aiškinamasis žodynas
felsite — felzitas statusas T sritis chemija apibrėžtis Stikliška, be intarpų, granitui gimininga efuzinė uoliena. atitikmenys: angl. felsite rus. фельзит … Chemijos terminų aiškinamasis žodynas
Felsite Peak — Infobox Mountain Name=Felsite Peak Photo= Caption= Elevation=2,530 metres (8,301 feet) Location=Yukon, Canada Range=Wrangell Volcanic Field, Coast Mountains Prominence =670 m Coordinates = coord|60|32|58.2|N|138|27|33.5|W|type:mountain… … Wikipedia
felsite — noun Etymology: felspar + ite Date: 1794 a dense igneous rock consisting almost entirely of feldspar and quartz • felsitic adjective … New Collegiate Dictionary
felsite — felsitic /fel sit ik/, adj. /fel suyt/, n. a dense, fine grained, igneous rock consisting typically of feldspar and quartz, both of which may appear as phenocrysts. [1785 95; FELS(PAR) + ITE1] * * * … Universalium
