(pdf) Extraction Of Rare Earths From Iron
Apr 12, 2017 How to Identify Iron Ore. The earth's core is made up of iron ore. Early man made tools and weapons from the iron ore they extracted from the earth and refined. Only meteorites carry pure iron ore, and the deposits locked away within the Earth require mining and refining. Layered deep in organic deposits, iron ore.
Jun 14, 2011 Iron ores make up nearly 5 of the earth’s crust, and when we consider both the crust as well as inner core, iron and its ores make up about 35 of the mass of the earth. Iron is extracted from its ore through removal of oxygen, which is a process called its reduction.