Arkose Ar*kose", n. [F] (Petrog) A sandstone derived from the disintegration of granite or gneiss, and characterized by feldspar fragments. -- {Ar*kos"ic}, a. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

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  • arkosic — adjective see arkose …   New Collegiate Dictionary

  • arkosic — adjective Of or pertaining to arkose …   Wiktionary

  • arkosic — ar·ko·sic …   English syllables

  • arkosic — (ˈ)är|kōsik also ōz adjective : of or relating to arkose …   Useful english dictionary

  • arkose — arkosic, adj. /ahr kohs/, n. a granular sedimentary rock composed of quartz and feldspar or mica; a feldspathic sandstone. [1830 40; < F] * * * Coarse sandstone that has formed by the disintegration of granite without appreciable decomposition.… …   Universalium

  • sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

  • Sedimentary exhalative deposits — (abbreviated as SEDEX from SEDimentary EXhalative) are ore deposits which are interpreted to have been formed by release of ore bearing hydrothermal fluids into a water reservoir (usually the ocean), resulting in the precipitation of stratiform… …   Wikipedia

  • Ayers Rock — /airz/ a conspicuous red monadnock in central Australia, in the SW Northern Territory: tourist attraction. 1143 ft. (348 m) high. * * * Rock outcrop, southwestern Northern Territory, Australia. Called Uluru by the Australian Aboriginals and… …   Universalium

  • arkose — noun Etymology: French Date: 1839 a sandstone characterized by feldspar fragments that is derived from granite or gneiss which has disintegrated rapidly • arkosic adjective …   New Collegiate Dictionary

  • Sandstone — is a sedimentary rock composed mainly of sand size mineral or rock grains. Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the Earth s crust. Like sand, sandstone may be any color, but the most… …   Wikipedia

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