Abstract

Two hundred twenty Deep Resistivity Soundings (DRS) were conducted to detect the thickness of trap, sediments and basement topography in trap covered areas of Saurashtra, Kutch and Deccan Syneclise areas by using high power deep resistivity equipment. Mostly, Schlumberger, electrode configuration was deployed up to current electrode spacing of 10 km at each station and incase of necessity it was extended with equatorial dipole array up to 15 km spread. Applicability of DRS technique for exploration of subtrappean sediments is enhanced because sharp resistivity contrast exists between trap sediments and bedrock. In this paper, some of the major results obtained from deep resistivity sounding (DRS) studies in Saurashtra, Kutch and Deccan Syneclise regions are discussed