In northern Tanzania, Xcalibur Smart Mapping executed a multi-client airborne survey using the GT-1A Airborne Gravity system and single-sensor magnetics to delineate Nyanzian greenstone belts within Archean granite-gneiss host rocks. High-resolution gravity (CBA) and magnetic (Analytic Signal of IGRF-corrected TMI) data revealed density and magnetic susceptibility contrasts critical for mapping greenstone geometries, even beneath sedimentary cover. The integration of Airborne Gravity and Magnetic data enables cost-effective, rapid discrimination of prospective gold-hosting lithologies, enhancing target selection for exploration under limited access conditions