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Discussion :: Lithosphere

  1. Which of the following rocks is transformed into marble?

    2. A.

     Granite
    B.

     Limestone
    C.

     Peat
    D.

     Shale

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    Answer : Option B

    Explanation :

    Limestone is transformed into marble. When limestone is subjected to the heat and pressure of metamorphism, marble, a metamorphic rock, is formed. Marble is composed of calcite or CaCO3. The calcite in the limestone will recrystallize when under the conditions of metamorphism.

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