PRELIMINARY GEOPHYSICAL INVESTIGATION OF THE SOURCE OF HEAT OF THE WIKKI WARM SPRING, BAUCHI, NIGERIA

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Date
1998-03
Authors
OMANGA, UNCLE STEVE ATIMI
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Abstract
Resistivity and radiometric methods of survey employing vertical electrical soundings (VES), and gamma ray spectrometry were carried out in the Wikki Warm Spring area. These were used with the aim of investigating the source of heat which Teats the water in the Wikki Warm Spring. Within the Wikki warm spring area, fourteen (14) soundings were carried out using the conventional VES method. Radiometric; measurements were carried out from which the concentrations of the three radio-elements K, U, and Th in the area were estimated. These surveys were carried out with the aim of identifying the origin of the source of heat which heats the water in the Wikki warm spring, the investigation was also concerned with the point where this heating takes place, that is, whether the water is heated in the immediate vicinity of the spring or at some distant point. Results from the interpretation of the data obtained led to the production of a number of graphs and maps from which conclusions were drawn. The resistivity results show that rather low resistivity values exist around the Wikki Spring area. This was interpreted as indicating that the Wikki area is underlain by water. The low resistivity values were recorded further away from the point where water is gushing out from the spring. The radiometric survey measurements reveal high gamma activity in this region. This higher than average radioactivity in the area is indicative of the viii importance of radiogenic heat in the Wikki area. The high concentration of the radioelements K, U, Th points to the fact that the source heat of the Wikki warm spring is most probably due to the radioactivity
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A thesis submitted to the Department of Physics, Ahmadu Bello University, Zaria, in partial fulfilment for the award of the Degree of Master of Science in Applied Geophysics
Keywords
PRELIMINARY, GEOPHYSICAL, INVESTIGATION, SOURCE, HEAT, WIKKI WARM, SPRING,, BAUCHI, NIGERIA
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