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Mining industry of Guinea - Wikipedia

The mining industry of Guinea was developed during colonial rule. The minerals extracted consisted of iron, gold, diamond, and bauxite. Guinea ranks first in the world in bauxite reserves and 6th in the extraction of high-grade bauxite, the aluminium ore.

Map of Guyana - Guyana News and Information

Guyana is a major producer of bauxite; about 1.3 million metric tons were mined annually in the late 1980s. Manganese, gold, and diamonds are also produced. Manganese, gold, and …

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Guyana - MINING

Guyana was known to have sizable reserves of bauxite, gold, and diamonds. Foreign investment was expected to dramatically increase the rate at which those reserves were mined. Foreign investment was expected to dramatically increase the rate at which those reserves were mined.

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Bauxite: The principal ore of aluminum. - Geology

What is Bauxite? Many people are surprised to learn that bauxite is not a mineral. It is a rock composed mainly of aluminum-bearing minerals. It forms when laterite soils are severely leached of silica and other soluble materials in a wet tropical or subtropical climate.

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Bauxite: The aluminum mineral bauxite information and …

Bauxite is not a mineral, but rather a group of aluminum oxides. The term is generally used to describe the economically important mixture of these minerals, which form a mass of the individually classified members of Gibbsite, Boehmite, and Diaspore.

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D is the highest color grade, meaning it has nearly no color. Under magnification and to the naked eye, it appears colorless. E and F ratings look almost identical to the naked eye, and only an expert gemologist is able to note the differences between D, E, and F grades.

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Guyana: Mining, Minerals and Fuel Resources

Guyana continues to be a significant producer of mineral resources such as bauxite, gold, and diamond. Gold production in the country slightly increased to 9,594 kg in 2010. However, half of the country's total production of 600,000 troy ounces of gold has been smuggled out to neighboring countries like Brazil, Venezuela and mainly Suriname. Suriname was reported to have royalties and tax ...

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