Shear velocity structure of the laterally heterogeneous crust and uppermost mantle beneath the Indian region

Tectonophysics

Volumn 277, Issue 4, 1997, Pages 259-270

  Mohan, G ^a   Rai, S S ^b   Panza, G F ^c  

^a INDIAN INSTITUTE OF TECHNOLOGY BOMBAY   (India)

^b NATIONAL GEOPHYSICAL RESEARCH INSTITUTE   (India)

^c Instituto di Geodesia e Geofisica   (Italy)

Author keywords

Lithosphere; Monte Carlo technique; Rayleigh wave; Regionalization; Shear velocity

Indexed keywords

CRUSTAL STRUCTURE; MANTLE STRUCTURE; SEISMIC VELOCITY STRUCTURE;

INDIA;

EID: 0031422766     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-1951(97)00029-2     Document Type: Article

References (44)

1. Anderson, D.L., Tanimoto, T. and Zhang, Y.S., 1992. Plate tectonics and hotspots: the third dimension. Science, 256: 1645-1651
2. Arora, S.K., 1971. A study of the earth's crust near Gauribidanur, South India. Bull. Seismol. Soc. Am., 61: 671-683.
3. Bakshi, A., Barman, T., Paul, D.K. and Farrar, E., 1987. Wide spread early cretaceous flood basalt volcanism in Eastern India: Geochemical data from Rajmahal-Bengal-Sylhet traps. Chem. Geol., 63: 133-141.
4. Bhattacharya, S.N., 1992. Crustal and upper mantle velocity structure of India from surface wave dispersion. Current Sci., 62: 94-100.
5. Biswas, N.N. and Knopoff, L., 1974. The structure of the upper mantle under the United States from the dispersion of rayleigh waves. Geophys. J. R. Astron. Soc., 36: 515-539.
6. Brune, J.N. and Dorman, J., 1963. Seismic waves and earth structure in the Canadian shield. Bull. Seismol. Soc. Am., 59: 1599-1629.
7. Brune, J.N. and Singh, D.D., 1986. Continental like crustal thickness beneath the Bay of Bengal sediments. Bull. Seismol. Soc. Am., 76: 191-203.
8. Brune, J.N., Curray, J., Dorman, L. and Raitt, R., 1992. A proposed super thick sedimentary basin, Bay of Bengal. Geophys. Res. Lett., 19: 565-568.
9. Calcagnile, G. and Panza, G.F., 1978. Crustal and upper mantle structure under the Baltic shield and Barents Sea from dispersion of Rayleigh waves. Tectonophysics, 47: 59-71.
10. Calcagnile, G. and Panza, G.F., 1980. The main characteristics of the lithosphere-asthenosphere system in Italy and surrounding regions. Pure Apll. Geophys., 119: 865-879.
11. Chang, F.S., 1979. The Structure of the Upper Mantle of Eurasia and Tectonic Interpretation from a Study of Rayleigh Wave Dispersion. Ph.D Thesis, Univ of California, Los Angeles.
12. Clark, R.A. and Stuart, G.W., 1981. Upper mantle structure of the British isles from Rayleigh wave dispersion. Geophys. J. R. Astron. Soc., 67: 59-75.
13. Duncan, R.A. and Richards, M.A., 1991, Hotspots, mantle plumes, flood basalts and true polar wander. Rev. Geophys., 29: 31-50.
14. Durrheim, R.J. and Mooney, W.D., 1994, Evolution of Precambrian lithosphere: seismological and geochemical constraints. J. Geophys. Res., 99: 15,359-15,374.
15. Gupta, M.L. and Gaur, V.K., 1984. Surface heat flow and probable evolution of Deccan volcanism. Tectonophysics, 105: 309-318.
16. Gupta, H.K., Nyman, D.C. and Landisman, M., 1977. Shield like upper mantle velocity structure below the Indo-Gangetic plains: inferences drawn from long period surface wave dispersion studies. Earth Planet. Sci. Lett., 34: 51-55.
17. Hadiouche, O. and Jobert, N., 1988. Evidence for anisotropy in North East Africa from geographical and azimuthal distribution of Rayleigh wave velocities and average upper mantle structure. Geophys. Res. Lett., 15: 365-368.
18. Haskell, N.A., 1953. Dispersion of surface waves in multilayered solid media. Bull. Seismol. Soc. Am., 43: 17-34.
19. β in stable and tectonically active regions from surface wave observations. Geophys. J. R. Astron. Soc., 90: 575-613.
20. Johnson, S.Y. and Alam, A.M.N., 1991. Sedimentation and tectonics of Sylhet trough, Bangladesh. Geol. Soc. Am. Bull., 103: 1513-1527.
21. Kaila, K.L. and Krishna, V.G., 1992. Deep seismic sounding in India and major discoveries. Current Sci., 62: 117-154.
22. Keilis-Borok, V.I. and Yanovaskaya, T.B., 1967. Inverse problems in seismology (structural review). Geophys. J. R. Astron. Soc., 13: 223-234.
23. Knopoff, L., 1972. Observation and inversion of surface wave dispersion. Tectonophysics, 13: 497-519.
24. Liao, A.H., 1981. Anisotropy in the Upper Mantle of Eurasia. Dissertation, Univ. of California, Los Angeles.
25. Mahadevan, M., 1994. Deep continental structure of India: a review. Geol. Soc. Ind. Mem., 28, 569 pp.
26. Mahoney, J., 1988. Deccan traps. In: J.D. MacDougall (Editor), Continental Flood Basalts. Kluwer Academic Publishers, Dordrecht, pp. 151-194.
27. Meredith, J.E.C. and Pearce, R.G., 1991. Seismic velocities beneath central and southern Britain from broad band surface waves. Phys. Earth Planet. Inter., 68: 230-249.
28. Mohan, G., Rai, S.S. and Panza, G.F., 1992. Seismic heterogeneities in the Indian lithosphere. Phys. Earth Planet. Inter., 73: 189-198 (with erratum in 76(1/2), 1993.
29. Nakanishi, I., 1993. Surface wave tomography: velocity and Q. In: H.M. Iyer and K. Hirahara (Editors), Seismic Tomography: Theory and Practice. Chapman and Hall, London, pp. 93-132.
30. Naqvi, S.M. and Rogers, J.J.W., 1987. Precambrian Geology of India. Oxford Univ. Press, New York, 233 pp.
31. Ni, J.F., Guzman Speziale, M., Bevis, M., Holt, W.E., Walace, T.C. and Seager, W.R., 1981. Accretionary tectonics of Burma and the three dimensional geometry of the Burma subduction zone. Geology, 17: 68-71.
32. Panza, G.F., 1980a. The resolving power of seismic surface waves with respect to crust and upper mantle structural models. In: R. Cassinis (Editor), The Solution of the Inverse Problem in Geophysical Interpretation. Plenum Press, New York, pp. 39-77.
33. Panza, G.F., 1980b. Evolution of the earth's lithosphere. In: P.A. Davis and S.K. Runcorn (Editors), Mechanisms of Continental Drift and Plate Tectonics. Academic Press, London, pp. 75-87.
34. Patton, H., 1980. Crust and upper mantle structure of the Eurasian continent from the phase velocity and Q of surface waves. Rev. Geophys. Space Phys., 18: 605-625.
35. Polet, J. and Anderson, D.L., 1995. Depth extent of cratons as inferred from tomographic studies. Geology, 23: 205-208.
36. Rogers, J.J.W. and Maulin, L.C., 1994. A review of the terrains of southern India. In: K.V. Subba Rao (Editor), Volcanism. Wiley, Chichester, pp. 157-172.
37. Singh, D.D., 1987. Crust and upper mantle velocity structure beneath north and central India from the phase and group velocity of Rayleigh and Love waves. Tectonophysics, 139: 187-203.
38. Souriau, A., 1981. The upper mantle beneath Ninetyeast Ridge and Broken Ridge, Indian Ocean from surface waves. Geophys. J. R. Astron. Soc., 67: 359-374.
39. Thomson, W.T., 1950. Transmission of elastic waves through a stratified solid. J. Appl. Phys., 21: 89-93.
40. Valdiya, K.S., 1984. Aspects of Tectonics: Focus on south central Asia. Tata, McGraw-Hill, New Delhi, 219 pp.
41. Yanovskaya, T.B., 1982. Distribution of surface wave group velocities in the North Atlantic. Izvestiya, Earth Physics, 18: 33-89.
42. Yanovskaya, T.B., 1984. Solution of the inverse problem of seismology for laterally inhomogeneous media. Geophys. J. R. Astron. Soc., 79: 293-304.
43. Yu, G.K. and Mitchell, B.J., 1978. Regionalized shear velocity models of the Pacific upper mantle from observed Love and Rayleigh wave dispersion. Geophys. J. R. Astron. Soc., 57: 311-341.
44. Zhang, Y.S. and Tanimoto, T., 1991. Global Love wave phase velocity variations and its significance to plate tectonics. Phys. Earth Planet. Inter., 66: 160-202.