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Iron ores in the form of hematite ferrous oxide and magnetite are removed from the earth through mining The use of heavy mining equipment is necessary to dig out large pits in an area with a large deposit of iron ore however because iron does not occur naturally it is necessary to use a blast furnace to separate or refine iron from the other substances in the iron ore

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Coal mining extraction of coal deposits from the surface of Earth and from underground Coal is the most abundant fossil fuel on Earth Its predominant use has always been for producing heat energy It was the basic energy source that fueled the Industrial Revolution of the 18th and 19th

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Artisanal mining in South Africa probably has a long history but this has not been documented For Zimbabwe Roger Summers has mapped extensive pre colonial mines prospecting trenches and early processing sites but this has so far not been done for South Africa Violence is a constant problem in the artisanal mining sector

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