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Current Journal of Applied Science and Technology, ISSN: 2457-1024; 2231-0843 (old),Vol.: 22, Issue.: 6

Short Research Article

Evaluation of Clay Mineral Deposits in Ohiya, Southeast Nigeria Using the Self Potential Method and Lithologs

 

D. E. Azunna1, G. U. Chukwu1, E. U. Nwokoma1* and A. Akenami2

1Department of Physics (Geophysics), Michael Okpara University of Agriculture, Umudike, P.M.B. 7627, Umuahia, Abia State, Nigeria.

2Nigerian Geological Survey Agency, Owerri, Nigeria.

Article Information
Editor(s):
(1) Wen Shyang Chow, School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Malaysia.
Reviewers:
(1) Burhan Davarcioglu, Aksaray University, Turkey.
(2) Ben Haj Amara, University of Carthage, Tunisia.
Complete Peer review History: http://www.sciencedomain.org/review-history/20295

Abstracts

A self potential survey was carried out on the study area. Four prospects were considered. The prospects investigated had a total area of 2.34 km2. 18 profiles were obtained from the prospects alongside three other random considered profiles. A total of 315 SP measurements were obtained using the direct potential method with a 10 m increase in the electrode spacing along each of the profiles. Obtained data show a potential range of -2 mV to -600 mV and 1 mv to 251 mV. On analysis, SP spectral signatures and the tomography map reveals that there were also non-conductive materials like silt, sandstone, sand, etc. which constitutes impurities and the overburden. The Iso-Potential contour map of the study area also reveals Nkwoebo, Egbeada and Umuoram as areas of likely kaolin abundance. Litho-logs of excavated sites were obtained to give us a quantitative clue of the mineral in the investigated prospects. It was observed that the overburden thickness is about 1.22 m, the thickness of kaolin deposit to be above 12.2 m and the average bulk reserve is about 74,360,000 metric tons.

Keywords :

Kaolin; self; potential.

Full Article - PDF    Page 1-11

DOI : 10.9734/CJAST/2017/26621

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