Abstract
2D Electrical Resistivity Imaging (ERI) investigation is a suitable method to determine the geotechnical problems and it is used for the high quality of quartzite bed thickness estimation. 2D Electrical Resistivity Imaging with Wenner array was conducted with in the Quartzite area in Sangampatti, Theni district, Tamilnadu. The geology of the study area contains red soil, quartzite and weathered gneissic rock which signify good target for 2D electrical resistivity imaging techniques. The interpretation of the resistivity data along the profile shows the model resistivity pseudosection in quartzite area. The highly resistivity zone of pseudosection with range of resistivity is 103 – 407 ohm.m at a depth of 4.06 m to 5.96m indicating the hard quartzite rock.
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