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Published:
Sep 16, 2020DOI:
10.4314/njt.v39i3.32Keywords:
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Main Article Content
Application of 2-dimensional tomography to investigate subsurface lithology in Auchi polytechnic, auchi, Edo state, nigeria
Abstract
The Wenner – Schlumberger array was used for Constant Separation Traversing (CST) to investigate subsurface lithology in Auchi Polytechnic, Auchi. All the traverses were carried out with electrode spacing of 5 m with a spread of 200 m. The data was obtained using Pasi terrameter (16-GL) and processed with the Dipro software. The subsurface resistivity values ranged from 207 Ωm – 8357 Ωm. The results obtained from this survey classified the subsurface lithology into topsoil, clayey sand, sandy clay and sand. The maximum depth penetrated was 50 m.
Keywords: Lithology, resistivity, subsurface, Wenner-Schlumberger, 2-Dimensional.
