Geophysical Investigation of the Subsurface Geological Structures at Alex Ekwueme Federal University Ndufu-Alike Ikwo (AE-FUNAI) in Southeastern Nigeria

This research comprehensively investigates the subsurface geological structures at Alex Ekwueme Federal University Ndufu-Alike Ikwo (AE-FUNAI) in southeastern Nigeria. This area is located near regions where significant lead-zinc (Pb-Zn) mineralization and salts have been discovered. The geological setting of the region is complex, involving the intersection of the West African Craton, Benue Trough, and Anambra Basin, providing a unique opportunity to study various rock types and structural features. We applied integrated geophysical data processing methods of Analytic Signal (AS), Euler Deconvolution (ED), and 3D modelling of susceptibility contrast to delineate mineralized structures at the region. Subsurface intrusions of dyke-like structures at average depths of 25 – 125 m were identified and mapped. Major N-S and E-W trending fault systems were also delineated, which could serve as conduits for mineral-rich fluids. Generally, results indicate the presence of significant magnetic anomalies related to subsurface geologic intrusions with potential mineral deposits. Findings from this study will guide decision-making processes on siting building projects, future mineral exploration, and land-use planning in the study area.