TWO-DIMENSIONAL ELECTRICAL RESISTIVITY IMAGING OF KAOLIN DEPOSIT AT DAJIN GWAMNA, KANKARA LOCAL GOVERNMENT, KATSINA STATE, NIGERIA

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dc.contributor.authorABUBAKAR, Hussaini
dc.date.accessioned2019-04-08T14:52:10Z
dc.date.available2019-04-08T14:52:10Z
dc.date.issued2018-05
dc.descriptionA THESIS SUBMITTED TO THE SCHOOL OF POSTGRADUATE STUDIES, AHMADU BELLO UNIVERSITY, ZARIA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE AWARD OF A MASTER OF SCIENCE DEGREE IN APPLIED GEOPHYSICS. DEPARTMENT OF PHYSICS, FACULTY OF PHYSICAL SCIENCES AHMADU BELLO UNIVERSITY, ZARIA NIGERIAen_US
dc.description.abstractTwo-dimensional Electrical Resistivity Imaging (ERI) technique was applied to delineate Kaolin deposit at Dajin Gwamna, Kankara Local Government, Katsina State, Nigeria. Wenner-Schlumberger configuration was utilized for this ERI field survey along seven profiles. The data obtained using ABEM Terrameter SAS4000 with electrode selector ES 464 were processed using the RES2DINV software. Seven Vertical Electrical Sounding points were distributed within the study area. The data were obtained using Ohmega Ω Resistivity meter and were processed using IPI2Win software. The results of the seven 2-D Electrical Resistivity Imaging profiles in correlation with the Vertical Electrical Sounding results and borehole log data have revealed three distinct layers; these layers range from top layer with resistivity values between 5Ωm to 490Ωm, it is made up of mainly dark brown sandy clay, clay, Kaolin and mottled Kaolin; the thickness varies from the surface to 35m depth in profile 1, 34m in profiles 2 and 4, 26m in profile 3, 20m in profiles 5 and 6, and also 30m in profile 7. The result indicates that Kaolin deposit within the study area has range of resistivity values between 11Ωm to 97Ωm. The study also revealed that, the delineated layers of Kaolin were extending from east to west and in the north direction, whereby layers of Kaolin were absent in profile 1 which is located in the southern part of the survey area. It was observed that the exploration of Kaolin mineral should be targeted trending east, west and also in the northern part of the site. The weathered basement rock emerges from the depth of 27.00m to 39.40m in profile 1, 14.00m to 39.4m in profile 2, 26.00m depth to 39.4m in profile 3, and from the depth of 34.00m to 39.40m in profiles 4, 5, 6 and 7; consisting of biotite-mica, feldspar and quartz which has resistivity values between 56Ωm to 608Ωm, with fresh basement rock from a depth of 33.80m downwards in profile 1, 35.00m downwards in profiles 4 and 5, and from the depth of 36.5 downwards in profiles 6 and 7, whereby in profile 2 and 3 fresh basement is absent. The fresh basement has resistivity values ranging between 200Ωm to above 6000Ωm.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/11483
dc.language.isoenen_US
dc.subjectTWO-DIMENSIONAL ELECTRICAL RESISTIVITY IMAGING,en_US
dc.subjectKAOLIN DEPOSIT,en_US
dc.subjectDAJIN GWAMNA,en_US
dc.subjectKANKARA LOCAL GOVERNMENT,en_US
dc.subjectKATSINA STATE,en_US
dc.subjectNIGERIA,en_US
dc.titleTWO-DIMENSIONAL ELECTRICAL RESISTIVITY IMAGING OF KAOLIN DEPOSIT AT DAJIN GWAMNA, KANKARA LOCAL GOVERNMENT, KATSINA STATE, NIGERIAen_US
dc.typeThesisen_US
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