Farida Boubé Dobi, Institut National Polytechnique Houphouet Boigny (INPHB), African Center of Excellence-Mines and Mining Environments (ACE-MME), Yamoussoukro, Côte D'ivoire, Alphonse Yao, Institut National Polytechnique Houphouët-Boigny (INP-HB), Ecole Nationale Supérieure de la Géologie (ENSG), African Center of Excellence Mines and Mining Environnements (ACE-MEM), Yamoussoukro, Côte D'ivoire and David Baratoux, French Research Insitute for Sustainable Development, Geosciences Environnement Toulouse, Toulouse, France