Iron Ore - Geoscience AustraliaThe principal iron ores contain hematite (Fe2O3) and magnetite (Fe3O4). . can be used directly in blast furnaces or in direct reduction steel-making plants.blast furnace of iron mining australia,Iron ore - WikipediaIron ores are rocks and minerals from which metallic iron can be economically extracted. . ore", meaning they can be fed directly into iron-making blast furnaces. .. and there is a nascent and large magnetite iron-ore industry in Australia.
blast furnace of iron mining australia