Which is the basic minerals and the backbone of industrial development?

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Coal

Bauxite

Copper

Iron ore

answer is D.

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Detailed Solution

Iron ore is India's basic mineral and the backbone of industrial development. Iron ores are Minerals and rocks from which metallic iron can be extracted. Iron ores are rich in iron oxides. Magnetite and hematite are the major iron ore found in India. Hematite is the best quality iron ore with 70% metallic content. It is reddish and mainly found in Odisha, Jharkhand, Chhattisgarh and Andhra Pradesh. Magnetite is black and comprises 62-70% of metallic content. It is primarily found in Karnataka, Rajasthan, Kerala, Andhra Pradesh and Tamil Nadu. India's major iron ore belts are the Odisha-Jharkhand belt, Durg-Bastar-Chandrapur belt, Ballari-Chitradurga-Chikkamagaluru-Tumakuru belt and Maharashtra-Goa belt.

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