iron is mined from the earth as dolomite

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Mar 17, 2015 Metallic iron is basically obscure on the surface of the Earth aside from as iron-nickel composites from shooting stars and exceptionally uncommon types of profound mantle xenoliths. Albeit iron is the fourth most plentiful component in the Earth's covering, containing around 5%, by far most is bound in silicate or all the more seldom carbonate ...

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