Write a short note on durg iron ore ?
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Iron ores[1] are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, or deep purple to rusty red. The iron itself is usually found in the form of magnetite (Fe 3O 4, 72.4% Fe), hematite (Fe 2O 3, 69.9% Fe), goethite (FeO(OH), 62.9% Fe), limonite (FeO(OH)·n(H2O), 55% Fe) or siderite (FeCO3, 48.2% Fe).
Ores containing very high quantities of hematite or magnetite (greater than about 60% iron) are known as "natural ore" or "direct shipping ore", meaning they can be fed directly into iron-making blast furnaces. Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel—98% of the mined iron ore is used to make steel.[2] Indeed, it has been argued that iron ore is "more integral to the global economy than any other commodity, except perhaps oil".
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Answer:
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=> Iron ore deposits of Chhattisgarh are associated with the rocks that are world over known to contain high-grade ores.
=> These rocks are forming almost North-South trending narrow, highly dissected and discontinuous hill ranges of about 370 km in length that are extending from Bailadilla to Rajhara in southwestern Chhattisgarh occupying Dantewara, Bastar, Kanker, Narainpur, Rajnandgaon, Durg and Kawardha districts.
=> Bailadilla iron ore deposits located in southern part of the range are world-class and being mined from the leased area to National Mineral Development Corporation, Ltd. (NMDC).
=> Iron ore of Dalli-Rajhara located in the central parts of the range are captive mines of Bhilai Steel Plant (BSP).
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