Burkina Faso (1995 - 2005)
- exploration and mining
- primary gold deposits
- artisanal mining - tailings
Ghana (2001 - 2011)
- prospecting
- placer gold deposit
Congo - Brazzaville (2000 - 2012)
- exploration and mine development
- placer gold deposit
Sudan (2001 - 2002)
- regional exploration
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Tanzania (1989 - 2012)
- exploration and mining
- placer gold deposits
- Ni laterite deposits
Guinea (2004 - 2012)
- prospecting
- placer gold deposit
Rwanda - Burundi (2009 - 2012)
- exploration and mining
- treatment plants development
- W, Sn, Ta, Nb primary deposits, placers, tailings
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