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major steps involved in mining iron

Iron Fe is a metallic element which constitutes about 5 of the Earths crust and is the fourth most abundant element in the crust Iron ores are rocks from which metallic iron can be economically extracted The principal iron ores are hematite Fe 2 O 3 and magnetite Fe 3 O 4 Hematite is an iron oxide mineral It is nonmagnetic and has colour variations ranging from steel silver to