Abstract
The E-W strike-slip brittle faults are reported from the margin of South East Deccan Volcanic Province (SEDVP) near Kinwat where we detail faulting, folding and boudinaging from the Adampur-Bhaisa profile along the SEDVP margin further SW of the Kinwat region. The present study focusses deformations in the basement granite from the SEDVP around Degloor/Diglur. The NE trending strike-slip faults, W-dipping steep normal faults, and W verging thrusts are documented in this study in the granitic rocks. NE trending strike-slip tectonics dominates the study area, which does not corroborate with ~E trending Western Boundary East Dharwar Craton Strike-Slip Zone (WBEDCSZ). The concentrated strike-slip deformation at Degloor lies between (micro)seismically active Killari-Nanded-Kaddam regions. The present study suggests that the stretch of >75 km, from Degloor to Bhaisa, along the SEDVP margin within the EDC, is a tectonic zone and is designated as Western Boundary East Dharwar Craton Deformed Zone (WBEDCDZ). Difference in trends of stress axes (e.g., the least principal stress axis σ3 ranging 20–83°N) deciphered mainly from conjugate joints shows local-scale heterogeneity in the stress regime.
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Acknowledgements
D. Kaplay thanks the School of Earth Sciences, S.R.T.M. University. Dr. Babar thanks the Principal, Dnyanopasak College, Parbhani, Maharashtra for support and encouragement. S. Mukherjee was supported by the CPDA grant of IIT Bombay. A research sabbatical provided by IIT Bombay helped him to finish this work. Fieldwork by S. Mahato was supported partially by IIT Bombay. The anonymous reviewers provided several positive inputs in two rounds. Mukherjee (2019) summarizes this work.
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Babar, M., Kaplay, R.D., Mukherjee, S., Mahato, S., Gurav, C. (2019). NE-SW Strike-Slip Fault in the Granitoid from the Margin of the South East Dharwar Craton, Degloor, Nanded District, Maharashtra, India. In: Mukherjee, S. (eds) Tectonics and Structural Geology: Indian Context. Springer Geology. Springer, Cham. https://doi.org/10.1007/978-3-319-99341-6_5
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