COLLOQUIUM ABOUT THE PROMOTION OF GLOBAL SYSTEMS OF SATELLITE NAVIGATION FOR DEVELOPPEMENT OF COUNTRIES FROM SUB-SAHARAN AFRICA, organized by the EUROPEAN GNSS AGENCY and AWARENESS IN AFRICA, at the High National Polytechnic School of Yaounde (University of Yaounde I). During this colloquium, the CEO of GEOVECTORIX (Ms TSOUNGUI CARINE YVANE) presented a talk about applications of the systems of satellite navigation in mining geology.