By G. Dhanunjaya Naidu
The current thesis describes major new perception into the seismotectonics of this valuable India tectonic region, in response to thorough magnetotelluric stories. the most targets of the current examine are: (i) to delineate subtrappean sediments around the NSL sector alongside 4 diverse traverses, (ii) to appreciate the characterization of geo-electrical constitution of the crust and view the character of geo-electrical signatures of the recognized faults, (iii) to combine the implications with different geophysical information resembling seismicity, gravity and warmth move, so one can comprehend the tectonic state of affairs of the sector.
Deep electromagnetic (magnetotelluric) analyses have been built-in during this examine with gravity, seismic and warmth circulation stories and special, delineated deep crustal gains. The ensuing excessive conductivity is justified with the presence of fluids at mid-lower crustal depths. The migration of those fluids from mantle to mid-lower crustal depths via pre-existing brittle fracture/fault zones have been evidently because of the plume on the topic of the Deccan volcanism. Migration of the fluids generated the next fluid strain alongside the faults and led to earthquakes.
Based at the geo-electric sections derived alongside the 4 traverses of the Narmada-Son Lineament region, the current learn provides vital clues at the subduction/collision historical past during this very important tectonic zone.
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