arkose definition

  • noun:
    • A sedimentary rock consisting of little fragments of feldspar and quartz just like a coarse sand.
    • A sandstone produced by the disintegration of granite or gneiss, and characterized by feldspar fragments.
    • Feldspathic sandstone; a rock consisting essentially of almost consolidated quartzose sand with grains or particles of orthoclase disseminated through it, and frequently containing in addition some mica and kaolin.
    • A sedimentary stone comprising little fragments of feldspar and quartz much like a coarse sand.
    • A sandstone produced from the disintegration of granite or gneiss, and characterized by feldspar fragments.
    • Feldspathic sandstone; a rock consisting really of more or less consolidated quartzose sand with grains or particles of orthoclase disseminated through it, and sometimes containing additionally some mica and kaolin.

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