Mineral Resources of Karnataka

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Presentation transcript:

Mineral Resources of Karnataka

Minerals : An Introduction A mineral is a naturally occurring substance usually present in the earth’s crust. It has following properties: naturally occurring inorganic solid definite chemical composition ordered internal structure Minerals are found in rocks, ores and natural mineral deposits.

Importance of Minerals Used in construction, utensils, machinery, and many more. Used in making acids, used for chlorine, mineral waters, photography, and for medicinal purposes. Heart of industries. Source of foreign exchange. Symbol of development.

Mineral Resources of Karnataka Karnataka state has rich and diverse mineral resources. Some of the important minerals of Karnataka: Iron Ore Gold Manganese Bauxite Limestone, copper, mica, granite are also found in the state.

Iron Iron ore is the raw material for iron & steel industry Magnetite & hematite grade iron is found vastly in Karnataka. Karnataka is ranked 2nd in India in the production of iron ore. Iron ore is supplied to Iron & Steel factories in Bhadravathi, Jindal Vijayanagar Iron & Steel factory. Iron from Karnataka is also exported. Magnetite Hematite

Iron : Distribution Bellary, Chikamagalur, Bagalkot, Chitradurga, Tumkur, Shimoga, Dakshin Kannada, Uttara Kannada & Gadag districts. Sandur in Bellary & Hospet are the largest producers. Chikkamagalur ranks 2nd in iron ore production. Kemmannagundi, Bababudangiri hills, Kudremukh, Ameengarh, Chikkanayakanahalli are some of the major iron producing areas.

Manganese Manganese ore is mainly found in oxide form in sedimentary & metamorphic rocks. Used in the manufacture of steel to increase its hardness. Used in electrical industries, chemicals & paints, fertilizers. ‘Jack of all trades’

Manganese : Distribution 27% of total production in India. Ranks 2nd in India. Manganese ores are found near the iron ores. Sandur in Bellary is an important producer of Manganese. Kumsi, Shankaragudda & Hosahalli in Shimoga; Chikkanayakanahalli in Tumkur; Sirsi, Supa in Uttara Kannada.

Bauxite Used in the preparation of aluminum. It is also used in the manufacture of cement, steel and electrical wires. Indian Aluminum Company in Belgaum.

Bauxite : Distribution Belgaum, Chikamagalur, Chitradurga, Dakshin Kannada & Udupi. Belgaum district is the leading producer of Bauxite in Karnataka. Khanapur taluk in Belgaum district is the major producer.

Gold Bright, slightly reddish yellow, dense, soft, malleable and ductile metal. Used in making ornaments & valuable articles.

Gold : Distribution 80% of total production in India. Ranks 1st in India. Karnataka is the ‘Land of Gold’. Kolar Gold Fields (K.G.F.) Hatti Gold mines. – Biggest Gold mine in India. Bellara, Ajjanahalli, Mulgud, Kappadagudda in Gadag district & Kempinkote in Hassan district.