APPLICATION OF RADIOMETRIC METHOD TO DETERMINE RADIOGENIC HEAT AROUND RAFIN REWA HOT SPRING, LERE, KADUNA STATE, NIGERIA
APPLICATION OF RADIOMETRIC METHOD TO DETERMINE RADIOGENIC HEAT AROUND RAFIN REWA HOT SPRING, LERE, KADUNA STATE, NIGERIA
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Date
2018-05
Authors
BRAJA, Ibrahim Tijjani
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Abstract
Detailed ground radiometric survey covering 400m x 400m of part of Lere sheet, Kaduna state, Nigeria was carried out. The research was aimed at determining the radiogenic heat production and geothermal potentiality around Rafin Rewa, Dan Alhaji the study area. The number of points used for the data collection were 400 on 20 profiles spaced 20m apart. A map of radioactive heat production was produced and anomalous areas were detected from the map. It was observed that high anomalies were recorded on the western part of the study area with coordinates 80 30′ 54″N and 10025′34″E. The results of the study showed a range of radioactive heat production varying from 0.155μWm-3 to 154.54 μWm-3 with mean value of 31.993 μWm-3. This is higher than the Global mean value of Radioactive Heat Production which is 2.8 μWm-3. This implies that most of the area is suitable for geothermal exploration with the best drilling points on the western part of the area. Comparing the radioactive heat production map with the contour map of individual radioelements maps and ternary image map, this study has shown that Uranium and Thorium are the major contributing elements to the radioactive heat of the study area.
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BEING A THESES SUBMITTED TO THE SCHOOL OF POSTGRADUATE STUDIES, AHMADU BELLO UNIVERSITY, ZARIA
IN PARTIAL FULFILLMENT OF THE REQUIREMENT FOR THE AWARD OF A MASTER OF SCIENCE DEGREE IN APPLIED GEOPHYSICS.
DEPARTMENT OF PHYSICS,
FACULTY OF PHYSICAL SCIENCE,
AHMADU BELLO UNIVERSITY, ZARIA
NIGERIA.
Keywords
APPLICATION,, RADIOMETRIC METHOD,, DETERMINE RADIOGENIC,, HEAT AROUND RAFIN REWA HOT SPRING,, LERE,, KADUNA STATE,, NIGERIA