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 ...
Extracting gold from ore is a poisonous business. The most common method is cyanide leaching, where cyanide salts in solution are used to suck the gold out from its ore. You get gold, but you also get ...
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 ...
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 ...
Vancouver, British Columbia--(Newsfile Corp. - January 5, 2026) - RZOLV Technologies Inc. (RZL:CA) (the "Company" or "RZOLV") today reported the results of a bulk-scale vat leach metallurgical test ...
PRAGUE--(BUSINESS WIRE)--Draslovka a.s. (‘Draslovka’), a leading specialty chemicals company, announces it has executed a user license with Bayan Airag Exploration LLC in Mongolia for the world's ...
Dear EarthTalk: Most gold mining operations use cyanide to extract gold from surrounding rock. What are the environmental implications of this, and are there alternatives? --J. Pelton, via e-mail ...
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 ...
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