A “supergiant” gold ore deposit under an existing gold mine in China could be the world’s largest gold ore deposit. Officials estimate that the extent of the find could be 1,100 tons ...

Equinox Gold Corp (EQX) reports robust gold production and strategic advancements, setting the stage for increased future ...

Science & Environment BLM says environmental review can begin for proposal for Oregon’s first chemical process gold mine By Bradley W. Parks (OPB) Nov. 29, 2022 3:54 p.m.

Refractory Ore: Ore that resists standard extraction methods due to its complex mineralogical structure, which encapsulates gold within sulphide minerals or carbonaceous matrices.

Cyanidation: A hydrometallurgical process in which cyanide solutions are used to dissolve and extract gold from ore. Leaching: The process of extracting valuable minerals from a solid material by ...

Ali says most big gold mines in Mongolia now use cyanide to extract gold, as do some artisanal miners. It’s less toxic than mercury, and it works better with those lower-grade deposits. But cyanide ...