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Journal of the Nigerian Association of Mathematical Physics

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Some Results of Geoelectrical Sounding for Aquifer Determination In Northern Parts of Delta State – Nigeria

EO Okan, IB Osazuwa

Abstract


A geoelectrical resistivity exploration approach within the poorly exposed basement complex terrain of Northern parts of Delta State has been carried out. The aim of the survey was to explore the ground water potential of the areas and ascertain the structures that are needed for the occurrence of ground water. Three (3) vertical electrical sounding located at Agbor, Issele-Mkpitime and Ogwashi-Uku were conducted using the Schlumberger electrode configuration while the true depths and resistivity values were also determined by curve matching and iterative processing techniques. Five geoelectrical layers charactrerized Agbor VES 2 sounding and it comprises topsoil/laterite, sand, sandy clay, sandstone coarse and sand. Similarly, five layers also characterized Issele-Mkipitime VES 3 and the probable rock formation ranges from topsoil/laterite to sand (aquiferous) while four geoelectric layers characterized the Ugwashi-Uku VES 5 sounding comprising topsoil/laterite, wet clay, shale and coarse sand with water.

Journal of the Nigerian Association of Mathematical Physics, Volume 19 (November, 2011), pp 315 – 320



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