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RZOLV Technologies is a clean-technology company focused on non-cyanide gold extraction chemistry rather than mineral ownership. Its work is centred on a structural issue emerging across the gold ...

Getting your Trinity Audio player ready... LEADVILLE — Millions of tons of waste from decades-old mining operations sit in the hills east of town. The brown and orange piles of abandoned ore rise 30 ...

Or the Golden Sunlight Mine, near Whitehall, from which pit water will need to be pumped and treated in perpetuity, or the Kendall Mine near Lewistown. In 1998, voters in Montana banned cyanide ...

A gold mine using cyanide in its extraction process has been poisoning thousands of people in the province of Usak since last year. A court has decreed that the mine be closed. A department of the ...