UPSC General Studies Sample Paper General Studies Sample Paper-6

  • question_answer
    Consider the following statements.
    1. Rocks associated with Dharwar System do not contain fossils.                                 
    2. Rocks of Dharwar System are of mainly sedimentary origin.                                  
    3. Uranium is the main mineral found in these rocks.                                          
    Which of the statements) given above is/are correct?                              

    A)  1 and 2           

    B)  2 and 3                

    C)                  Only 2             

    D)  All of these                           

    Correct Answer: A

    Solution :

    [a] Dharwar System are earliest formed sedimentary rock system, found today in metamorphic forms. These rocks do not contain fossils and are found in Karnataka, Madhya Pradesh, Jharkhand, Meghalaya and Rajasthan. Since, the rocks of the Dharwar System are of mainly sedimentary origin, these occur in narrow elongated synclines resting on the gneiss found in Bellary district. Rocks are highly metalliferous. They are rich in iron-ore, manganese, lead, zinc, gold, silver etc, but not in uranium.

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