The Mineral Industries of Benin, Burkina Faso, and Sao Tome e .
BENIN, BURKINA FASO, AND SAO TOME E PRINCIPE2012. 4.1. THE MINERAL INDUSTRIES OF. BENIN . In 2012, gold production accounted for 76% of total exports,. 19% of Government revenues, and 5.5% of the . producing zinc from its first zinc mine, which was expected to be commissioned in 2013, and gold and.Más detalles