UPSC Geography Interior of the earth Question Bank Geomorphology

  • question_answer Why do Fold Mountains have enormous thickness of sedimentary rocks?  [NDA 2011-I]

    A)  Due to deposition of sediments in a valley for millions of years

    B)  Due to accumulation of sediments in a geosyncline

    C)  The plains were folded into mountains

    D)  The sediments were folded into recumbent and nappe folds

    Correct Answer: B

    Solution :

     Fold Mountains form when two tectonic plates move together (a convergent plate boundary Fold Mountains form from sedimentary rocks that accumulate along the margins of continents.

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