In mining, cyanide spills can cause fish kills and other problems, most recently at a river in Ghana last week downstream from a gold mine. While cyanide in mining is nothing new, using heap leaching ...

VANCOUVER, B.C, Oct. 23, 2023 /PRNewswire/ -- Gold Port Corporation (CSE: GPO) (OTCQB: GPOTF) (the "Company") is pleased to announce that leach test work is underway using a new and innovative ...

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 ...

The Environmental Protection Agency (EPA) has launched sweeping nationwide measures to clamp down on unregulated gold ...

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 ...

A preliminary metallurgical study at Regnault was initiated in July 2022 with the completion of drill hole 22RDD149 (29.20m at 16.61 g/t Au including 9.85m at 44.89 g/t Au*). The objective was to ...

BRECKENRIDGE – The Summit Board of County Commissioners will consider regulating smoking in public places and cyanide heap leach mining at a public hearing beginning at 1:30 p.m. Monday at the Summit ...

The cyanide "leakage" that killed tons of fish in the Czech river Labe (Elbe) recently has re-focused public attention throughout central and Eastern Europe to the environmental and human dangers ...

RZOLV Technologies Inc. (TSXV: RZL) (FSE: S711), ("RZOLV" or the "Company"), a clean-technology company developing non-cyanide hydrometallurgical solutions for gold recovery, today announced that it ...

PERTH (miningweekly.com) – The Commonwealth Scientific and Industrial Research Organisation (CSIRO) has licensed Perth-based Clean Mining to sell and distribute a new cyanide-free gold processing ...