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Home  >  Volume 28. No.1 (Nov. 2014)

49. Subsurface Structural Studies of Bayero University, Kano Permanent Site Using Electrical Methods by Bunawa A. A,2Shehu J. S and Saleh M. - Volume28, No. 1, (November, 2014), pp 343 – 350
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Abstract 

This paper centers on the investigation of the subsurface condition of Bayero University Kano Permanent site with the aim  of understanding the 

lithology and also to map out the groundwater patterns within the area. To achieve this, Resistivity, Time Domain Induced Polarization (IP) and Self-Potential (SP) methods were adopted using Vertical  Electrical Sounding (VES) technique. ABEM Terrameter SAS 1000 was used for the sounding with Schlumberger electrode array configuration and a total of 49 stations were 

sounded. Some software’s were used to analyze and interprete the measured data. The result of the analysis shows that the area is underlain by two to five subsurface layers. The aquiferous zone of the studyarea occurs in the weathered and fractured basement rocks. SP values were plotted against depths of investigation. The peak SP values were used in identifying areas with greater depth of flow in the study area. From the analysis  of the overburden thickness, aquifer thickness and SP values, the most favorableregions for groundwater exploitation were VES 11(11.97340N, 8.43710E), 13(11.97710N, 8.43420E) 19(11.97230, 8.43110E) and 44(11.96450N, 8.42820E). The suitability of the groundwater in the area for drinking was assessed and it was found that it is safe 

for drinking and other domestic usages. The investigation also provides information about the subsurface condition with regards to engineering 

construction and safe place for refuse dumping in order to avoid groundwater contamination. 

Keywords:Contamination, Polarization, Potential, Resistivity, and Structural 

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