Nature of Gold: The surface of a gold particle will typically be dissolved at a rate of around µm of surface depth per hour in a cyanide leach. For large gold particles and nuggets, this is too slow to be fully dissolved in a typical processing plant. Much simpler and less expensive gravity methods are available to recover this gold.
Police have uncovered a makeshift gold processing plant in the backyard of a KalgoorlieBoulder house. Police said they discovered the roughandready plant at a Carrington Street address in Western Australia when they were executing a search warrant issued for drugs, the ABC reports.
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