Iron Ores | Article about Iron Ores by The Free Dictionary
The ore minerals in silicate iron ores are iron chlorites, usually accompanied by hydrous ferric oxides, and sometimes by siderite (25–40 percent iron). There is a negligible content of sulfur and up to 0.9–1.0 percent phosphorus.Mineral Based Industries - Orissa Minerals,Besides the reserves of major minerals like chromite, nickel, bauxite, iron-ore and coal; other minerals like china clay, fire clay, limestone, quartz, precious and semi precious stones, copper, manganese, graphite, vanadium etc. are also available in the state.Mineral Resources: Definition, Types, Use and Exploitation,,As per estimates if the present trend of production continues, we will exhaust our reserves of all the important minerals and fuels, except coal, iron ore, limestone and bauxite, in 25 to 30 years. Use and Exploitation: The use of minerals varies greatly between countries. The greatest use of minerals occurs in developed countries.