Abstract
A ground scintillometric survey was carried out in the south - western part of the Kerri - Kerri Formation to identify areas of more prominent radioactive anomalies for further detailed spectrometric investigation. The total count rates recorded were generally higher in the south – western part of the study area. Analysis of the reduced data reveals the threshold activity value for the study area is 27.5 cps. Activities of more than twice the mode that will be of significance in terms of mineralization is 40 cps observed in the area north east of Tumu village with occurrence of granitic feldspar. The cosmic ray contribution to the ground activity measured in the field and used for the background correction is 4 cps. Detailed ground spectrometric investigation should be carried out in the area north – east of Tumu village to determine the radiometric mineralization potentials of the area and confirm if the radiation is due to the rocks or soil of the area.KEYWORDS: Scintillometric, Total count rates, Background correction, Threshold activity, Mineralization.
Highlights
Following the discovery of uranium in Niger Republic and Cameroun, efforts began for the search of the possibility of finding the mineral in Nigeria
According to reports by the Nigerian Geological Survey Agency (NGSA), Nigeria has about 34 known major mineral deposits distributed in different locations across the country and offers considerable attractions for investors
Observation in the field reveals that areas identified with high total count readings coincide with areas with occurrence of granitic feldspars in the KerriKerri Formation while most of the areas with low count rates around Gulmari and Tulmi are areas with occurrence of alluvium in Gombe sandstone
Summary
Following the discovery of uranium in Niger Republic and Cameroun, efforts began for the search of the possibility of finding the mineral in Nigeria. According to reports by the Nigerian Geological Survey Agency (NGSA), Nigeria has about 34 known major mineral deposits distributed in different locations across the country and offers considerable attractions for investors. These viable solid minerals could be explored and exploited to boost the country’s economy and supplement the revenue derived from other resources. A. Lawal Ahmed, Department of Physics, Ahmadu Bello University, Zaria, Nigeria. M. Lawal Kola, Department of Physics, Ahmadu Bello University, Zaria, Nigeria. There has been no radiometric ground follow up survey to confirm the potentials of uranium mineralization in the Kerri-Kerri Formation, the present work can be considered as the first ground radiometric investigation to delineate favorable uranium targets in some parts of the Kerri-Kerri Formation
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