Ground Magnetic Survey for The Investigation of Mineral Deposit at Itesi Village in Orile Ilugun, Odeda , South West Nigeria
Journal Title: JOURNAL OF ADVANCES IN PHYSICS - Year 0, Vol 2, Issue 2
Abstract
Advances in technique development and data interpretation have greatly improved our ability to visualize the subsurface. A Magnetic survey was carried out at a site in Itesi village, Ilugun, Odeda Local Government Area of Ogun State, Nigeria using a portable proton precession magnetometer (G-856 AX). A total of ten profiles were established in an E-W direction in the study area. The acquired magnetic field data were corrected for drift. Qualitative and quantitative interpretations were adopted to obtain negative peak value and the maximum positive peak value. The depth to top of basement rock was estimated using Peters Half slope. Likewise the depth to centre of basement rock was estimated using the Half width rule. The contour maps, 3-D surface map and the 1-grid vector map present the subsurface image. The whole survey area has a total length of 100 m at a line spacing of 10 m and a breadth of 45 m at 5 m spacing. The whole area was characterized by complete varying negative amplitudes from a very low peak value of about -9.9 nT and a maximum positive peak value of about 17.4 nT respectively. The closely spaced, linear sub-parallel orientations of contours from the South western part of the map suggest the possibility of faults or local fractured zones.
Authors and Affiliations
Sedara S. O, Joshua E. O, Popoola O. I
Keywords
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- EP ID EP653191
- DOI 10.24297/jap.v2i2.2097
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