adjective æfəˈnɪtɪk
Pertaining to or consisting of aphanites, igneous rocks which have crystals too fine to be seen by the naked eye.

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  • Aphanitic — Aph a*nit ic, a. (Min.) Resembling aphanite; having a very fine grained structure. [1913 Webster] || …   The Collaborative International Dictionary of English

  • aphanitic — See aphanite. * * * …   Universalium

  • aphanitic — aph·a·nit·ic …   English syllables

  • aphanitic — adjective of or relating to aphanite • Pertains to noun: ↑aphanite • Derivationally related forms: ↑aphanite …   Useful english dictionary

  • aphanite — aphanitic /af euh nit ik/, adj. /af euh nuyt /, n. Petrog. a fine grained igneous rock having such compact texture that the constituent minerals cannot be detected with the naked eye. [1860 65; < Gk aphan(és) unseen, hidden, invisible (a A 6 +… …   Universalium

  • igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary …   Universalium

  • Igneous textures — include the rock textures occurring in igneous rocks. Igneous textures are utilized by geologists in determining the mode of origin igneous rocks and are used in rock classification. There are six main types of textures; phaneritic, aphanitic,… …   Wikipedia

  • Dacite — Aphanitic QAPF diagram denoting daci …   Wikipedia

  • Igneous rock — Geologic provinces of the world (USGS)   Shield …   Wikipedia

  • Hoodoo Mountain — Infobox Mountain Name=Hoodoo Mountain Photo= Caption= Elevation=convert|1850|m|ft|0 Location=Stikine Country, British Columbia, Canada Range=Boundary Ranges Prominence =900 m Coordinates = coord|56|76|N|131|30|W|type:mountain… …   Wikipedia