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Discussion :: Lithosphere

  1. In which type of rocks are metals like gold and copper mostly found?

    2. A.

     Old Sedimentary
    B.

     Old Igneous
    C.

     Old Metamorphic
    D.

     New Metamorphic

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    Answer : Option B

    Explanation :

    In old Igneous type of rocks metals like gold and copper mostly found. Gold and copper are found in ore bodies associated with porphry. Porphry is a general term applied to igneous rocks of any composition that contain conspicuous phenocrysts (crystals) in a fine-grained groundmass.

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