Earth's most important iron ore deposits are found in sedimentary rocks. They formed from chemical reactions that combined iron and oxygen in marine and fresh waters. The two most important minerals in these deposits are iron oxides: hematite (Fe2O3) and magnetite (Fe3O4).
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Mr. Asif Sheikh (Alfa Engineering Works)
New Abadi, Kajod Pura, Sawa, Chittaurgarh, Rajasthan, India
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