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ABSTRACT
The research work was channeled towards the subsurface of Uniben and environs in order to investigate for minerals. The Wenner-Schlumberger electrode configuration was deplored throughout in this study. Two profiles were covered; each profile 50 metres apart. To obtain a good 2-D picture of the subsurface, the coverage of the measurements must be 2-D as well. The data from each 2-D survey line was initially inverted independently with RES2DINV Inverse for Windows version 4.01 (KIGAM 2001) to give 2-D cross-sections. A pseudo section conveys a qualitative two- dimensional resistivity variation with depth within the subsurface.
The inverted model resistivity sections or structures created models for the subsurface resistivity using an iterative smoothness constrained least square inversion and are interpreted to generate the subsurface geologic characteristics.
The application of 2-Dimensional Electrical Resistivity Imaging (ERI) method in Uniben community delineated the following minerals: dry sand, Laterite soil, ferruginous sandstone, shale, and sand-clay alluvium. However, these minerals/materials fall within the resistivity range of1450Ωm to 3251 Ωm for both profiles in the study area.
