Golden Star Resources Mining Company Wassa Gold Mine

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.