3 tons of cyanide-laced fish seized. about 169000 cubic feet of cyanide-tainted water from a gold mine spilled into rivers in romania hungary and yugoslavia causing europe's worst river
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gold cyanidation (also known as the cyanide process or the macarthur-forrest process) is a hydrometallurgical technique for extracting gold from low-grade ore by converting the gold to a water-soluble coordination complex. 106 relations.
it is impossible to know the exact date that humans first began to mine gold but some of the oldest known gold artifacts were found in the varna necropolis in bulgaria.the graves of the necropolis were built between 4700 and 4200 bc indicating that gold mining could be at least 7000 years old. a group of german and georgian archaeologists claims the sakdrisi site in southern georgia dating
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the gold cyanidation process is the most important method ever developed for extracting gold from its ores. the reasons the widespread acceptance of cyanidation are economic as well as metallurgical. it usually obtains a higher recovery of gold than plate amalgamation and is easier to operate than the chlorine or bromine process.
georgia man executed for 1994 killing of store clerk spill sheds light on legacy of abandoned mines out west. another involved a cyanide spill in 1992 at an operational gold mine in
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