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Aluminium

        Bauxite is the ore of aluminium. It is used in the making of utensils,
        electricity wire, aeroplanes, chemicals, etc. Indian reserves of bauxite are

        the fifth largest in the world. The main bauxite producing States in India

        are Odisha, Andhra Pradesh, Telangana, Jharkhand, Madhya Pradesh,
        Gujarat, Karnataka and Tamil Nadu. A small quantity is exported to the
        European countries.


        Coal

        Coal is the main source of energy in our country. It is used for generating

        electricity, for running factories, for means of transportation and also
        for cooking in houses. Coal is mostly found in Jharkhand, Chhattisgarh,

        Bihar, Madhya Pradesh, West Bengal, Odisha, Telangana and Tamil Nadu.
        The first coal mine was opened in Raniganj in West Bengal. The most

        important coalfields are in Jharia, Raniganj, Dhanbad, Bokaro, Korba,
        Singrauli and Neyveli. India is the  second largest producer of coal in

        the world. Coal is also an important raw material for many industries.



                                                                                                    • Critical thinking
          Fill in the blanks with information from the text.
            1.  Metals are derived from                       .
            2.  The process of taking out minerals from the Earth is called                         .

            3.  The process of separating minerals from ore is called                         .
            4.  Bauxite is the ore of                     .



        Petroleum
        Crude petroleum is not used directly. It is refined in big oil refineries. We

        get petrol, diesel, kerosene, mobile oil, gas,
        coaltar and many other products from crude

        petroleum. It is found only in sedimentary
        rocks. In India, petroleum or mineral oil

        is found in Assam, Gujarat, Maharashtra,
        Andhra Pradesh and in off-shore oilfields,

        such as  Mumbai High. Mumbai High is
        about 160 kilometres away from Mumbai                                       Mumbai High



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