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Discussion :: Miscellaneous World Geography

  1. Quartzite is metamorphosed from

    2. A.

     Limestone
    B.

     Obsidian
    C.

     Sandstone
    D.

     Shale

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    Answer : Option C

    Explanation :

    Quartzite is metamorphosed from Sandstone. Quartzite is a nonfoliated metamorphic rock composed almost entirely of quartz. It forms when a quartz-rich sandstone is altered by the heat, pressure, and chemical activity of metamorphism. These conditions recrystallize the sand grains and the silica cement that binds them together.

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