An Introduction to Iron Smelting – Part I: Theory – Harald ...
May 20, 2017· Ore. The raw source of iron is iron ore. Iron ore comes in the form of rocks or other sediments. These are composed of iron oxides, which we try to reduce, and the unwanted 'gangue materials' which take the form of silicates and alumina, in other words the 'rock' part of the ore.