The process known for a century but first used here in the 1960s is now responsible for 85 of gold produced It has revolutionized the mining industry because up to 97 of the gold can be obtained from very low grade ore The process is based upon the use of cyanide to leach the metal from crushed rock Cyanide is as toxic as it sounds
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Office Add: Kexue Revenue, High and New Technology Industrial Development Zone, Zhengzhou, China
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