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This is one of the two principles in Iron: Hematite is coloured black to steel or silver-gray, brown to reddish brown, or red. It is mined as the main ore of iron.

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Fortescue plans to reach an annual production of 95 million tonnes of iron ore by 2012, downgraded from an earlier target of 120 million. At Cape Preston, CITIC Pacific Mining is currently, as of 2010, in the process of constructing a 27.6 million tonnes per annum magnetite iron ore mine, named the Sino Iron Project.

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The Name of the two principles in Iron ore

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The Name of the two principles in Iron ore

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The principal iron ores contain hematite (Fe₂O₃) and magnetite (Fe₃O₄).

THE LINK TO THE WEBSITE
http://www.ga.gov.au/scientific-topics/minerals/mineral-resources/iron-ore

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Magnetite is a mineral and one of the main iron ores. With the chemical formula Fe₃O₄, it is one of the oxides of iron. Magnetite is ferrimagnetic; it is attracted to a magnet and can be magnetized to become a permanent magnet itself

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Iron is an enigma – it rusts easily, yet it is the most important of all metals. 90% of all metal that is refined today is iron. Most is used to manufacture steel, used in civil engineering (reinforced concrete, girders etc) and in manufacturing.

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Metallic iron is virtually unknown on the surface of the Earth except as iron-nickel alloys from meteorites and very rare forms of deep mantle xenoliths. Although iron is the fourth most abundant element in the Earth's crust, comprising about 5%, the vast majority is bound in silicate or more rarely carbonate minerals. The thermodynamic barriers to separating pure iron from these minerals are formidable and energy intensive, therefore all sources of iron used by human industry exploit comparatively rarer iron oxide minerals, primarily hematite.

Prior to the industrial revolution, most iron was obtained from widely available goethite or bog ore, for example during the American Revolution and the Napoleonic Wars. Prehistoric societies used laterite as a source of iron ore. Historically, much of the iron ore utilized by industrialized societies has been mined from predominantly hematite deposits with grades of around 70% Fe. These deposits are commonly referred to as "direct shipping ores" or "natural ores". Increasing iron ore demand, coupled with the depletion of high-grade hematite ores in the United States, after World War II led to development of lower-grade iron ore sources, principally the utilization of magnetite and taconite.

Iron-ore mining methods vary by the type of ore being mined. There are four main types of iron-ore deposits worked currently, depending on the mineralogy and geology of the ore deposits. These are magnetite, titanomagnetite, massive hematite and pisolitic ironstone deposits.

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Pilbara
Rio Tinto operates twelve iron ore mines in Western Australia, BHP Billiton seven, Fortescue two, all of those are located in the Pilbara region.

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Banded iron formations may contain iron in carbonates (siderite or ankerite) or silicates (minnesotaite, greenalite, or grunerite), but in those mined as iron ores, oxides (magnetite or hematite) are the principal iron mineral. Banded iron formations are known as taconite