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2019 | OriginalPaper | Buchkapitel

NE-SW Strike-Slip Fault in the Granitoid from the Margin of the South East Dharwar Craton, Degloor, Nanded District, Maharashtra, India

verfasst von : Md. Babar, R. D. Kaplay, Soumyajit Mukherjee, Souradeep Mahato, Chandrakant Gurav

Erschienen in: Tectonics and Structural Geology: Indian Context

Verlag: Springer International Publishing

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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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Titel: NE-SW Strike-Slip Fault in the Granitoid from the Margin of the South East Dharwar Craton, Degloor, Nanded District, Maharashtra, India
verfasst von: Md. Babar
R. D. Kaplay
Soumyajit Mukherjee
Souradeep Mahato
Chandrakant Gurav
Verlag: Springer International Publishing
Buch: Tectonics and Structural Geology: Indian Context
Print ISBN: 978-3-319-99340-9

Electronic ISBN: 978-3-319-99341-6

Copyright-Jahr: 2019
DOI: https://doi.org/10.1007/978-3-319-99341-6_5

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