Golden Star Resources Mining Company Wassa Gold Mine
Operations at a Glance
Operation Name | Wassa Gold Mine |
Parent and ownership percentage | Golden Star Resources (90%) / Government of Ghana (10%) |
Country of operation | Ghana |
Number of employees in 2016 | 1,056 |
Number of contractors in 2016 | 547 |
Commodity being mined | Gold |
P&P Mineral Reserves | 1.3 million ounces |
Average grade of P&P Mineral Reserves | 17,436Kt at 2.37 g/t Au |
M&I Mineral Resources | 3.3 million ounces |
Average grade of M&I Mineral Resources | 44,347 Kt at 2.33 g/t Au |
Remaining life of mine | 7 years |
Geological setting | Quartz carbonate veins with pyrite |
Surface mining method | Conventional open pit bench mining |
Underground mining method | Sub-level longhole open stoping |
Processing method | Carbon-in-leach |
Processing plant capacity | 2.7Mtpa |
2016 Production | |
Gold produced (oz) | 104,381oz |
Cash operating cost | US$941/oz |
About Wassa
Wassa is in south-western Ghana and it is a combined open pit and underground operation. Golden Star commenced production from the surface operation at Wassa in 2005 and commercial production was achieved at Wassa Underground on January 1, 2017.
Wassa Underground has exploration upside through extension drilling of B Shoot North, step out drilling on B Shoot South, step out drilling on the 242 Trend and the extension of the F Shoot. This work is expected to increase the mine life of Wassa Underground in the short, medium and long term.
Wassa Underground has exploration upside through extension drilling of B Shoot North, step out drilling on B Shoot South, step out drilling on the 242 Trend and the extension of the F Shoot. This work is expected to increase the mine life of Wassa Underground in the short, medium and long term.