While cyanide in mining is nothing new, using heap leaching to process gold didn't come along until the 1970s, McCullough said, when the first such mine was opened in Nevada. The process opened up the ...

Freeman Gold Corp. (TSXV: FMAN) (OTCQB: FMANF) (FSE: 3WU) ("Freeman" or the "Company") is pleased to announce the successful ...

VANCOUVER, BC, Nov. 21, 2022 /PRNewswire/ - New Pacific Metals Corp. ("New Pacific" or the "Company") (TSX: NUAG) (NYSE American: NEWP), together with its local Bolivian partner, are pleased to report ...

LEADVILLE, Colo.--(BUSINESS WIRE)--CJK Milling Company, LLC (CJK) is excited to announce the elimination of cyanide in our mill extraction process. “We listened to the concerns of the Leadville ...

While cyanide in mining is nothing new, using heap leaching to process gold didn't come along until the 1970s, McCullough said, when the first such mine was opened in Nevada. The process opened up the ...

HELENA — Opposing camps traded barbs Monday night at a lively and long-winded hearing on a bill that would send a 1998 voter-passed ban on cyanide leach gold and silver mining back to the people. Sen.

Column-leach test work indicates heap-leach processing is viable at Cuiú Cuiú, which should result in lower initial capital and operating costs Gold recoveries based on the calculated gold content of ...

HELENA — A bill that would send back to the voters a 1998 citizens' ban on cyanide leach mining of gold and silver took a step toward law Tuesday when a panel voted 9-3 in support of it. Before ...

RENO, Nev., July 28, 2020 /PRNewswire/ -- Itronics Inc. (OTC: ITRO), an emerging "Cleantech Materials" growth Company that produces GOLD'n GRO Multi-Nutrient Fertilizers and Silver, updates its ...

PRAGUE--(BUSINESS WIRE)--Draslovka a.s (‘Draslovka’), a leading specialty chemicals company, has agreed with Barrick Gold Corporation (‘Barrick’), to roll out a global testing and implementation ...

CJK Milling Company Selects Extrakt Process Solution’s TNS™ and its Non-Cyanide Leach Technology to Recover Gold and Silver for Its Remediation Operation in Leadville, Colorado CJK Milling Company, ...