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Chinyem, F. I.
- Hydrogeophysical Investigation of Asaba Area, Delta State, Nigeria
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Authors
Affiliations
1 Department of Geology, Delta State University, Abraka
1 Department of Geology, Delta State University, Abraka
Source
Indian Journal of Science and Technology, Vol 6, No 5 (2013), Pagination: 4453-4458Abstract
The vertical electrical sounding (VES) was employed in investigation for aquiferous units in Asaba area in Oshimili South Local Government Area of Delta state. Seven vertical electrical sounding were carried out in the study area using the schlumberger configuration with maximum current electrode spacing of 450 m - 500 m. The data was interpreted quantitatively and using the conventional curve matching and computer iteration method. The result revealed four to five geoelectric layers, with resistivity values ranging from 45.8 Om m to 1707 Om, 59 Om to 3434.9 Om, 83.2 Om to 5725 Om and 133.4 Om to 12693.4 Om for the first, second, third and forth/fifth layers respectively. The lithologies consisting of lateritic top soil, clay, fine medium and coarse grained sands with varying thickness. The aquiferous units were mostly confined and the results from this study were found to be consistent with some lithologic logs obtained from boreholes drilled in the study area.Keywords
Hydrogeophysical, Investigation, Asaba, Aquiferious Units, ConfinedFull Text
References
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- Concentrations of Some Trace Elements in Surface and Groundwater Resources in Agepanu and Environs, Edo State, Nigeria
Abstract Views :421 |
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Authors
Affiliations
1 Department of Geology, Delta State University, Abraka, NG
1 Department of Geology, Delta State University, Abraka, NG
Source
Indian Journal of Science and Technology, Vol 6, No 5 (2013), Pagination: 4459-4462Abstract
Concentrations of some trace elements such as Zn, Pb, Cr, Cd, Ni and Cu in surface and ground water in Agepanu and environs were evaluated after acid digestion by atomic absorption spectrophotmetry. The concentrations of the elements ranged from 0.084 - 0104 mgl-1 for Zn; 0.007 - 0.087 mgl-1 for Cr, less than 0.002 mgl-1 for Pb, 0.075 - 0.099 mgl-1 for Cu ; less than 0.05 mgl-1 for Cd and less than 0.002 mgl-1 for Ni. The concentrations of the examined elements were below the WHO, FMEV safe limits in surface and groundwater except for chromium which was slightly higher than the safe limit in Afiangbe.Keywords
Trace Elements, Concentrations, Safe Limit, Agepanu, GroundwaterFull Text
References
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