Abstract
This study integrated aeromagnetics, aeroradiometric and electrical resistivity survey data to unravel the subsurface geological evidences which are related to rare earth element (REE) enrichment in the Ijero-Aramoko pegmatite field in southwestern Nigeria. Magnetic data enhancement filters were employed to delineate subsurface structures in the study area. The high Kd areas (eTh, eU) and high magnetic anomalies at the periphery of geologic structures were attributed to REE and gemstone mineralisation in the Ijero-Aramoko pegmatite field. The geophysical characteristics over the REE and gemstone mineralised zones were used to establish a relationship between REE mineralisation and geophysical signatures. The resultant mineral potential map showed a 74% agreement with the known mining pits in the study area. Thus, this agreement confirms the reliability of the produced mineral potential map for future resource management.
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