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the mining process. 1. a slurry of ground ore, water and a weak cyanide solution is fed into large steel leach tanks where the gold and silver are dissolved.
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welcome. this is an archive of educational materials developed by the environmental literacy council. it is presented for historical and educational purposes.
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the borax method of gold extraction for format:adobe pdf. does not require expensive equipment. extract gold, releasing large amounts of the toxic element into the environment. . ground up ore to which mercury.
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