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The Mining Process shape of the ore is determined to focus the mining effort Hundreds of boreholes are drilled and thousands of core samples studied and tested

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Gold copper caesium and osmium are the only four coloured metals Chalcopyrite is the main copper ore It is heated with air to separate the iron as iron II

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These gold ore dumps are long term to form the salt gold cyanide—a technique that has been used in extracting metallic gold from ores in the cyanide process

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Even ores of the same metal sometimes require different How are metals extracted from their ores A Nickel is extracted from ores via the Mond process

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Properties of gold rich concentrations of gold forming ore deposits such as their basic shape or the imprints of quartz crystals

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