Iron ore - WikipediaIron ores are rocks and minerals from which metallic iron can be economically extracted. . Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel—98% .. rock, but are considerably cheaper to mine and process as they require less beneficiation due to the higher iron content.processed used iron ore mining,Iron Ore - Mineral Fact Sheets - Australian Mines AtlasMany of the iron ore mines employ some form of beneficiation to improve . Sintering is a process used to agglomerate iron ore fines in.
processed used iron ore mining