Since the modern gold rushes of the 1970s and 1980s, gold has been one of Australia's major exports. Australia is the ...

Gold, coveted for its rarity and enduring value, has been a subject of fascination and desire throughout human history. The quest for extracting gold from its ores has led to numerous innovations in ...

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 ...

Refractory gold ores present significant challenges to conventional extraction methods. In these ores, gold is tightly encapsulated within sulphide minerals or locked by carbonaceous matter, thereby ...

*True widths are approximately 75% of reported core lengths. The two diamond drill holes were drilled at -90 o and -70 o dips to allow drilling to depth. Both holes were cored within the current gold ...

Gravity recovery results were: 11 – 21% for Ag and 15 – 35% for Au. The 96 hour cyanidation leach time tests included the addition of 250 g/t lead nitrate. Approximately 120 kilograms of samples from ...

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 ...

QUEBEC CITY, QUEBEC--(Marketwired - Apr 29, 2013) - Robex Resources Inc. (TSX VENTURE:RBX)(RB4.F) is pleased to inform its shareholders that, following the funding of $4 million announced last week ...