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ABSTRACT
This study utilized the 2D electrical resistivity technique to probe the underground geology of the Ugbowo region in Edo State. The aim was to ascertain the color, mineral composition, grain size, and structural properties of the bedrock. The geophysical survey employed ABEM terrameter along six traverses strategically positioned to locate aquifers, sandstone, and gravel deposits. The Wenner-Schlumberger array was selected due to its efficacy in subsurface profiling. The study unveiled a stratified geology characterized by four distinct layers. The surface layer was topsoil, notable for its organic content and potential for vegetation. Underlying this was a stratum of sandy clay or clay sand, indicative of transitional depositional environments. The third layer, consisting of pure sand, displayed high porosity and permeability, suggesting its potential as an aquifer system. The deepest layer was a complex mixture of clay and marl extending to an indeterminable depth, potentially indicative of ancient sedimentary processes. The Benin formation's presence in the survey area offers a significant geological context, known for its gold-bearing potential, hinting at the possibility of auriferous strata. Furthermore, the stratigraphy inferred from the resistivity data indicates favorable conditions for subsurface water, consistent with the hydrogeological characteristics of the region. This thorough analysis not only deepens our understanding of Ugbowo's subsurface geology but also unveils avenues for exploring and utilizing its natural resources. It emphasizes the importance of sustainable practices in resource exploitation, particularly in the context of potential water resource development and mineral extraction.
