Minerals and Power Resources — Flashcards

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A mineral is a natural substance of organic or inorganic origin with definite chemical and physical properties. Minerals are the basic natural materials used in industry and construction.

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Minerals are exhaustible resources because once used, they are lost forever. They take a very long time to form naturally, so they cannot be replaced quickly. This is why mining is often called a robb…

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Metallic minerals are those which provide metals on melting. Iron ore, copper, manganese, nickel, and bauxite are examples. They are usually hard, shiny, found mainly in igneous rocks, and are ductile…

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Non-metallic minerals are minerals which do not contain metals. They are generally found in sedimentary rocks, get broken into pieces when hit, and are not ductile or malleable. Examples include mica,…

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Ferrous minerals contain iron and are used in the iron and steel industry. Examples include iron ore, manganese, tungsten, nickel, and cobalt. Non-ferrous minerals do not contain iron. Examples includ…

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Iron ore is called the backbone of modern civilisation because iron is the basis of major industries, machinery, transport equipment, and construction. The standard of living of a country is closely l…

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Magnetite is the best quality iron ore. It contains 72 per cent pure iron and has magnetic property. It is found in Andhra Pradesh, Jharkhand, Goa, Kerala, Tamil Nadu, and Karnataka.

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Haematite is an important iron ore containing 60 to 70 per cent pure iron. It is the major source of India’s iron ore reserves and is found mainly in Odisha, Jharkhand, Chhattisgarh, Karnataka, Goa, M…