Shear wave anisotropy of the Godavari rift in the south Indian shield: Rift signature or APM related strain?

Physics of the Earth and Planetary Interiors

Volumn 181, Issue 3-4, 2010, Pages 82-87

  Kumar, Narendra ^a   Kumar, M Ravi ^a   Singh, Arun ^a   Solomon Raju, P ^a   Purnachandra Rao, N ^a  

^a NATIONAL GEOPHYSICAL RESEARCH INSTITUTE   (India)

Author keywords

Godavari rift; Indian shield; Seismic anisotropy

Indexed keywords

ASTHENOSPHERIC FLOW; AZIMUTHAL ANISOTROPY; BROADBAND SEISMIC STATIONS; DELAY TIME; FAR-FIELD STRESS; HEAT FLOW VALUE; INDIAN PLATE; LITHOSPHERIC THINNING; MANTLE FLOW; PLATE MOTIONS; PLAUSIBLE MECHANISMS; POLARIZATION DIRECTION; PROTEROZOIC; RIFT SYSTEMS; SEISMIC ANISOTROPY; SHEAR WAVE SPLITTING; SHEAR-WAVE ANISOTROPY; WAVE FORMS;

POLARIZATION; SEISMOLOGY; SHEAR FLOW; SHEAR WAVES;

ANISOTROPY;

ASTHENOSPHERE; BROADBAND DATA; INDIAN PLATE; LITHOSPHERE; MANTLE PLUME; PLATE MOTION; PROTEROZOIC; RIFT ZONE; RIFTING; S-WAVE; SEISMIC ANISOTROPY; SEISMIC DATA; WAVE SPLITTING; WAVEFORM ANALYSIS;

GODAVARI BASIN; INDIA; INDIAN SHIELD;

EID: 77954818223     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2010.05.002     Document Type: Article

References (30)

1. Biswas S.K. A review on the evolution of rift basins in India during Gondwana with special reference to western Indian basins and their hydrocarbon prospects. PINSA 1999, 65A(3):261-283.
2. Barruol G., Ben Ismail W. Upper mantle anisotropy beneath the African IRIS and Geoscope stations. Geophys. J. Int. 2001, 146:540-561.
3. Chetty T.R.K. Strike-slip tectonics and the evolution of the Gondwana basins of Eastern India. Ninth Int. Gond. Sym. 1994, 2:713-721.
4. Frederiksen A.W., Ferguson I.G., Eaton D., Miong S.K., Gowan E. Mantle fabric at multiple scales across an Archean-Proterozoic boundary, Grenville front, Canada. Phys. Earth Planet. Inter. 2006, 158:240-263.
5. Gao S., Davis P.M., Liu H., Slack P.D., Rigor A.W., Zorin Y.A., Mordvinova V.V., Kozhevnikov V.M., Logatchev N.A. SKS splitting beneath continental rift zones. J. Geophys. Res. 1997, 102:22781-22797.
6. Gao S., Davis P.M., Liu H., Slack P.D., Zorin Y.A., Mordvinova V.V., Kozhevnikov V.M., Meyer R.P. Seismic anisotropy and mantle flow beneath the Baikal rift zone. Nature 1994, 371:149-151.
7. Gashawbeza E.M., Klemperer S.L., Nyblade A.A., Walker K.T., Keranen K.M. Shear-wave splitting in Ethiopia: Precambrian mantle anisotropy locally modified by Neogene rifting. Geophys. Res. Lett. 2004, 31:L18602.
8. Gowd T.N., Srirama Rao S.V., Gaur V.K. Tectonic stress field in the Indian Subcontinent. J. Geophys. Res. 1992, 97(B8):11879-11888.
9. Gripp A.E., Gordon R.G. Young tracks of hotspots and current plate velocities. Geophys. J. Int. 2002, 150:321-361.
10. Kaila K.L., Murthy P.R.K., Rao V.K., Venkateswarlu N. Deep seismic sounding in the Godavari graben and Godavari (coastal) basin, India. Tectonophysics 1990, 173:307-317.
11. Kumar M.R., Singh A. Evidence for plate motion related strain in the Indian shield from shear wave splitting measurements. J. Geophys. Res. 2008, 113:B08306. 10.1029/2007JB005128.
12. Kumar P., Yuan X., Kumar M.R., Kind R., Li X., Chadha R.K. The rapid drift of the Indian tectonic plate. Nature 2007, 449:894-897.
13. Kumar S.P. Geology and hydrocarbon prospects of Krishna-Godavari and Cauvery basins, petroliferous basins of India. Pet. Asia J. 1983, 6:57-66.
14. Lachenbruch, A.H., Sass, J.H., 1977. Heat flow in the United States and the thermal regime of the crust. In the earth's crust ed. Heacock, Geophys. Monogr. Ser., 20:626-675, Washington, DC, Am. Geophys. Union.
15. Long M.D., van der Hilst R.D. Upper mantle anisotropy beneath Japan from shear wave splitting. Phys. Earth Planet. Inter. 2005, 151:206-222.
16. Maggy H., Kumar V.P., Gaur V.K., Pristley K., Rai S.S., Surya Prakasam K.S. Anisotropy of the Indian continental lithospheric mantle. Geophys. J. Int. 2009, 179:1341-1360.
17. Mishra D.C., Chandra Sekhar D.V., Venkata Raju D.Ch., Vijava Kumar V. Crustal structure based on gravity-magnetic modelling constrained from seismic studies under Lambert Rift, Antarctica and Godavari and Mahanadi rifts, India and their interrelationship. Earth Planet. Sci. Lett. 1999, 172:287-300.
18. Naqvi S.M., Rogers J.J.W. Precambrian Geology of India 1987, Oxford Monographs on Geology and Geophysics, p. 6.
19. Olsen K.H., Morgan P. Progress in understanding of continental rifts. Continental Rifts: Evolution, Structure, Tectonics, Development in Geotectonic 1995, 25.:3-17. Elsevier, Amsterdam.
20. Rai A., Rai S.S., Gaur V.K. Crustal stress patterns: analysis of Ps splitting for seismic anisotropy. Curr. Sci. 2008, 94:911-915.
21. Rajesham T., Bhaskar Rao Y.J., Murti K.S. The Karimnagar Granulite Terrane-a new sapphirine bearing granulite province, south India. J. Geol. Soc. India 1993, 41:51-59.
22. Rao G.V., Rao R.U.M. Heat flow in the Indian Gondwana basins and heat production of their basement rocks. Tectonophysics 1983, 9(1):105-117.
23. Roy S., Rao R.U.M. Heat flow in the Indian shield. J. Geophys. Res. 2000, 105(B11):25587-25604.
24. Sandvol E., Ni J., Ozalaybey S., Schlue J. Shear-wave splitting in the Rio Grande rift. Geophys. Res. Lett. 1992, 19:2337-2340.
25. Silver P.G., Chan W. Shear wave splitting and mantle deformation. J. Geophys. Res. 1991, 96:16429-16454.
26. Teanby N.A., Kendall J.M., Van der Baan M. Automation of shear wave splitting measurements using cluster analysis. Bull. Seis. Soc. Am. 2004, 94:453-463.
27. Vauchez A., Tommasi A., Barruol G. Why do continents break up parallel to ancient orogenic belts?. Terra Nova 1997, 9:62-66.
28. Vauchez A., Tommasi A., Barruol G., Maumus J. Upper mantle deformation and seismic anisotropy in continental rifts. Phys. Chem. Earth 2000, 25:111-117.
29. Vinnik L.P., Farra V., Romanawicz B. Azimuthal anisotropy in the Earth from observations of SKS at GEOSCOPE and NARS broadband stations. Bull. Seism. Soc. Am. 1989, 79:1542-1558.
30. Wolfe C.J., Silver P.G. Seismic anisotropy of oceanic upper mantle: shear wave splitting methodologies and observations. J. Geophys. Res. 1998, 103:449-471.