Energy and Environmental Profile of the U.S. Mining Industry 4
4.1.2 Iron Ore Beneficiation Iron ore occurs naturally in a variety of forms, from sand-like iron fines to solid rock masses. ... other raw materials used in the individual iron or steel producer's process. ... Energy and Environmental Profile of the U.S. Mining Industry Iron.
Iron ore - Wikipedia
The Lower-grade sources of iron ore generally require beneficiation, using techniques like crushing, milling, gravity or heavy media separation, ... steel, of which iron ore is the key ingredient, ... Available world iron ore resources