THE APPLICATION OF ELECTRICAL RESITIVITY METHOD IN THE INVESTIGATION OF KUFENA STONE AGE ARCHAEOLOGICAL SITE, ZARIA-NIGERIA

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THE APPLICATION OF ELECTRICAL RESITIVITY METHOD IN THE INVESTIGATION OF KUFENA STONE AGE ARCHAEOLOGICAL SITE, ZARIA-NIGERIA

Abstract:

Geophysical investigation of Schlumberger Vertical Electrical Sounding (VES) data and a Horizontal Electrical Profiling (EP) with a Wenner electrode array were carried out in archaeological Kufena Stone Age site Zaria, Zaria Local Government Area of Kaduna state. The aim of the work was to conduct and electrical resistivity measurement and electrical profiling methods in order to delineate the archaeological features in the study area. The study was conducted having an objective of the geophysical assessment to bring out the important subsurface geophysical information useful in the location of anomalous areas of interest in Kufena Stone Age site Zaria and characterized the anomalies obtained so as to suggest to archeologists on where and at what depth they should excavate. VES data were entered to the computer and curves were plotted using IP12win Interpretation Software. EP data were processed using Microsoft Excel and Golden Software Surfer V.12. The survey area is dominated by mainly four layers namely: Topsoil basement, overburden basement, weathered/fractured basement and fresh basement. The VES results have revealed that the artifacts of archaeological material remain lie within the overburden basement of the predominantly four layered geoelectric structure. VES points 1a1 – 1a8, 2a1 – 2a8 and 3a3 – 3a6. Along the three profiles were clearly show the overburden depth where the archaeological materials are located, ranging from 1.4 – 5.5 m. Similarly the electrical resistivity profiling results with a depth of 3 m and 5 m show high resistivity anomalous spot location ranging from 30-190 ohm which is also suitable for an archaeological excavation of material remains in the area of study.

THE APPLICATION OF ELECTRICAL RESITIVITY METHOD IN THE INVESTIGATION OF KUFENA STONE AGE ARCHAEOLOGICAL SITE, ZARIA-NIGERIA

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