MobileMT is an advanced airborne natural-field electromagnetic system well-suited for deep structural imaging and targeting basement-hosted and unconformity-related uranium mineralization, where ore formation is commonly controlled by complex fault networks, shear zones, and fluid pathways that are difficult to resolve with conventional methods. Operating over a broad audio-frequency range and using a three-component total-field sensor, MobileMT is sensitive to resistivity contrasts across both conductive and resistive environments, enabling detection of geoelectrical boundaries of any orientation from near surface to depths exceeding 1 km. Inverted resistivity-depth models can be visualized as 2D sections and 3D volumes, while specialized trend-analysis workflows extract conductive and resistive structural axes through depth to produce a volumetric image of subsurface architecture. Field examples from the Athabasca and Angikuni basins show that these 3D geoelectrical patterns can delineate tectonic shear zones, fault-related structures, and permeable corridors interpreted as paleofluid conduits and chemically favorable traps, thereby improving drill targeting and enhancing the exploration of complex uranium-bearing terrains.
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