Energy Efficiency in Iron Ore Mining Electrical India ...
About iron ore mining process. The forms of Iron Minerals, Ores, and Rocks Iron occur mainly in ironoxide ores. Some ores are a mixture of minerals rich in iron. Other iron ores are less rich and have a large number of impurities. The most important iron ore forming minerals are: Magnetite – Magnetite (Fe3O4) forms magnetic black iron ore.