Red Back has several gold exploration concessions and licenses other than just the operating Chirano mine property in Ghana. In northwest Ghana it has a joint deal with obscure Australian some-time gold explorer Takoradi Resources, Ltd. (TKG on Sydney ASX). Recently Red Back sold or licensed its gold property in far north Ghana on the Burkina Faso border to Orezone if I remember correctly. The property touches Orezone's gold property across the border in Burkina Faso.
In one mineral survey of the whole country of Guinea-Bissau, Red Back's Farim phosphate deposit was deemed the ONLY worthwhile mineral asset in that generally ill-favored country. A deal to sell it to some Arabs for about $10 million US fell through a few years ago.