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Thiosulfate leaching is emerging as a promising alternative to traditional cyanidation methods in gold extraction. This process utilises thiosulfate as a lixiviant, offering enhanced environmental ...

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 ...

VANCOUVER, BC / ACCESS Newswire / December 8, 2025 / George Sanders, President of Goldcliff Resource Corporation ("Goldcliff" or the "Company") (TSXV:GCN)(OTC PINK:GCFFF), reports that recent ...