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 ...

The Maiden Underground Mining Reserve added 418,850 oz Au (average grade of 5.49 g/t) to the company's existing Open Pit Mine Reserve bringing the Total Ore Reserve (Underground & Open Pit) to 579,460 ...