Iron Ore | Geoscience Australia - ga.gov.au
Jun 30, 2016· Resource figures are current as at 30 December 2015. Commentary is current as of December 2016. Iron (Fe) is a metallic element that constitutes about 5.6% by weight of the Earth's crust and is the fourth most abundant element in the crust. Iron ores are rocks from which metallic iron can be economically extracted.