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Discussion :: Miscellaneous World Geography

  1. Limestone changes into ________ due to metamorphism.

    2. A.

     Marble
    B.

     Quartzite
    C.

     Gneiss
    D.

     Schists

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    Answer : Option A

    Explanation :

    Limestone changes into Marble due to metamorphism. Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. It is composed primarily of the mineral calcite (CaCO3) and usually contains other minerals, such as clay minerals, micas, quartz, pyrite, iron oxides, and graphite.

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