Felsic



[fel-sik] /ˈfɛl sɪk/

adjective, Geology.
1.
(of rocks) consisting chiefly of , feldspathoids, quartz, and other light-colored minerals.
adj.

1912, from feldspar + silica + -ic.
felsic
(fěl’sĭk)
Relating to an igneous rock that contains a group of light-colored silicate minerals, including feldspar, feldspathoid, quartz, and muscovite. Compare mafic.

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  • Felsite

    [fel-sahyt] /ˈfɛl saɪt/ noun 1. a dense, fine-grained, igneous rock consisting typically of feldspar and quartz, both of which may appear as phenocrysts. /ˈfɛlsaɪt/ noun 1. any fine-grained igneous rock consisting essentially of quartz and feldspar felsite (fěl’sīt’) A fine-grained, light-colored igneous rock, consisting mainly of feldspar and quartz.

  • Felspar

    [fel-spahr] /ˈfɛlˌspɑr/ noun 1. . /ˈfɛlˌspɑː/ noun 1. a variant (esp Brit) of feldspar



  • Felspathic

    [fel-spath-ik] /fɛlˈspæθ ɪk/ adjective 1. .

  • Felt

    [felt] /fɛlt/ verb 1. simple past tense and past participle of . [felt] /fɛlt/ noun 1. a nonwoven fabric of wool, fur, or hair, matted together by heat, moisture, and great pressure. 2. any article made of this material, as a hat. 3. any matted fabric or material, as a mat of asbestos fibers, rags, […]



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