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Azimuthal Square Array Resistivity Method and Goundwater Exploration in Sanganoor, Coimbatore District, Tamilnadu, India

Author Affiliations

  • 1Manonmaniam Sundaranar University, Dept. of Geology, Geophysical Research Lab, V.O. Chidambaram College, Thoothukudi, INDIA

Res. J. Recent Sci., Volume 1, Issue (4), Pages 41-45, April,2 (2012)

Abstract

The groundwater prospecting were conducted using Azimuthal square array direct current electrical resistivity method in Sanganoor,Coimbatore district, Tamilnadu. In the present investigation also it is shown that from the surface Azimutal square array electrical resistivity sounding data it is possible to estimate the groundwater water yield in the sanganoor site of granitic rocks. In this application data were collected from the field using CRM-500 Resistivity meter, Azimuthal square array technique, electrodes, wirespoll, used for the sounding. The resistivity data were processed using the formulae and plotted in the graphical form of Anisotropy graph, Radar diagram and Master curve plotting were used to identify the fracture/fault zone in the granitic rocks and it aquifer characteristics of the study area. From the resistivity profiling data is used to recognize geology of the top layer covered with clay with fine sand and calchie deposits mixed with gneissic rocks. The square array electrical resistivity method used to predict the water bearing zone is occurs at three layers of different depth that range of resistvity from 100 ohm.m to 120 Ohm.m in the study area.

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