Magma May Help Geologists Find New Iron Ore Deposits ...
Aug 28, 2018 · Iron (Fe) is the fourth most common element found in the Earth's crust. There are several kinds of iron, which are distinguished by their composition and use. The main egories are pig irons, which form the basic foundation for the manufacture of steel, and cast irons, which are are used for the production of semimanufactured products such as pipes, machines, various castings, and cookware.