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 ...

The patent-protected flowsheet uses the same front-end as traditional cyanidation-based processing, but where cyanidation oxidises the gold to make gold cyanide, the Cycladex process leaches gold from ...

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Sawarda — The residents of Sawarda and neighbouring villages in Sudan's Northern State have welcomed the decision of the state government on Sunday to close a gold cyanidation plant in the area. For ...

Nativo Resources said on Thursday that it has signed final contracts to manage, complete and operate the part-built La Patona ...