iron mining part IV - MSU Department of Geography - Michigan State .The lake below can be crossed on Highway US-2 (in the background) in Iron . mine lower-grade iron formations, called taconites, which have 25-30% iron content. . Most hematite (a form of rich iron ore) still used, whether foreign or domestic, .. It was 54 feet high, 1200 feet long, with 200 pockets each holding 160 tons or.54 25 iron ore can be used,The Iron Ore, Coal and Gas Sectors - Reserve Bank of AustraliaAustralia has significant natural gas reserves that can also be used as . the largest reserves of iron ore, while the four countries with larger reserves of black .. South Africa. 9. Taiwan. 8. Iron ore(a). Australia. 25. China. 54. Australia. 39. China. 69. Brazil . coal is mainly used in the production of steel; it is relatively scarce.
54 25 iron ore can be used