Anomalous surface wave dispersion and the enigma of " continental-like" structure for the Bay of Bengal

Journal of Asian Earth Sciences

Volumn 42, Issue 6, 2011, Pages 1243-1255

  Mitra, Supriyo ^a,b   Priestley, Keith ^b   Acton, Charlotte ^b   Gaur, Vinod K ^c,d  

^a INDIAN INSTITUTE OF TECHNOLOGY   (India)

^b UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^c INDIAN INSTITUTE OF ASTROPHYSICS   (India)

^d Center for Mathematical Modeling and Computer Simulations   (India)

Author keywords

Bay of Bengal; Crustal structure; Group velocity; Surface waves

Indexed keywords

AMPHIBOLITE FACIES; CRUSTAL STRUCTURE; GREENSCHIST FACIES; MOHO; OCEANIC CRUST; P-T CONDITIONS; PRESSURE EFFECT; RAYLEIGH WAVE; SURFACE WAVE; TEMPERATURE EFFECT; VELOCITY STRUCTURE; WAVE DISPERSION;

BAY OF BENGAL; INDIAN OCEAN;

EID: 80053313337     PISSN: 13679120     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jseaes.2011.07.008     Document Type: Article

References (26)

1. Acton C., Priestley K., Gaur V., Rai S. Group velocity tomography of the Indo-Eurasian collision zone. J. Geophys. Res. 2010, 115(B12335). 10.1029/2009JB007021.
2. Amante, C., Eakins, B.W., 2009. ETOPO 1 1 Arc-Minute Global Relief Model: Procedures, Data Sources and Analysis. Tech. rep., NOAA Technical Memorandum NESDIS NGDC-24.
3. Athy L. Density, porosity, and compaction of sedimentary rocks. AAPG Bull. 1930, 14(1):1-24.
4. Brune J., Singh D. Continent-like crustal thickness beneath the Bay of Bengal sediments. Bull. Seismol. Soc. Am. 1986, 76:191-203.
5. Christensen M. Poisson's ratio and crustal seismology. J. Geophys. Res. 1996, 101(B2):3139-3156.
6. Cochran, J., Stow, D., et al., 1988. Initial report 116. In: Proceedings of the Ocean Drilling Program. Texas A and M University, College Station Texas.
7. Curray J., Emmel F., Moore D., Raitt R. Structure, tectonics, and geological history of the northeastern Indian Ocean. The Ocean Basins and Margins 1982, vol. 6:399-450. Plenum Publishing Corp., New York.
8. Curray J.R. Possible greenschist metamorphism at the base of a 22km sediment section, Bay of Bengal. Geology 1991, 19(11):1097-1100.
9. Curray J.R. Sediment volume and mass beneath the Bay of Bengal. Earth Planet. Sci. Lett. 1994, 125:371-383.
10. Engdahl E., van der Hilst R., Bulland R. Global teleseismic earthquake relocation with improved travel times and procedures for depth determination. Bull. Seismol. Soc. Am. 1998, 88:722-743.
11. Goldstein P., Dodge D., Firpo M., Minner L. Sac2000: Signal processing and analysis tools for seismologists and engineers. The IASPEI International Handbook of Earthquake and Engineering Seismology 2003, Academic Press, London. W. Lee, H. Kanamori, P. Jennings, C. Kisslinger (Eds.).
12. Herrmann, R.B., Ammon, C.J., 2004. Computer Programs in Seismology: Surface waves, Receiver Functions and Crustal Structure. Saint Louis University, St. Louis, MO.
13. Hiller, K., 1988. On the Petroleum geology of Bangladesh. Bundesanstalt fur Geowissenschaften und Rohstoffe und Geologische Landesamter in der Bundesrepublic Deutsch, Hannover.
14. Laske G. Global observation of off-great circle propagtaion of long-period surface waves. Geophys. J. Int. 1995, 123:245-259.
15. Laske, G., Masters, G., 1997. A global digital map of sediment thickness. In: EOS Transactions AGU, vol. 78. AGU, F483.
16. Laske G., Masters G., Zurn W. Frequency-dependent polarization measurements of long-period surface waves and their implications for global phase-velocity maps. Phys. Earth Planet. In. 1994, 84:111-137.
17. Lerner-Lam A.L., Park J.J. Frequency-dependent refraction and multipathing of 10-100s surface waves in Western Pacific. Geophys. Res. Lett. 1989, 16(6):527-530.
18. Levshin A., Pisarenko V., Pogrebinsky G. On a frequency-time analysis oscillations. Ann. Geophys. 1972, 28:211-218.
19. Levshin A., Ratnikova L., Berger J. Peculiarities of surface-wave propagation across central Eurasia. Bull. Seismol. Soc. Am. 1992, 82:2464-2493.
20. Mitra S., Hazarika N., Priestley K., Gaur V. Lithospheric structure across the eastern Himalayan collision from the Bengal Basin to southern Tibet. J. Asian Earth Sci. 2006, 26:151.
21. Nishimura C., Forsyth D. Rayleigh wave phase velocities in the Pacific with implications for azimuthal anisotropy and lateral heterogeneities. J. Geophys. Res. 1988, 94:479-502.
22. ODP-Report, 1989. Initial report, site 717-719, Distal Bengal Fan. In: Winkler, R. (Ed.), Proceedings of the Ocean Drilling Program, vol. 116. ODP Texas A and M University, NSF and Joint Oceanographic Institutions Inc., p. 388.
23. Park J., Lindberg C., Vernon F. Multitaper spectral analysis of high-frequency seismograms. J. Geophys. Res. 1987, 92:12,675-12,684.
24. Park J., Vernon F., Lindberg C. Frequency dependent polarization analysis of high-frequency seismograms. J. Geophys. Res. 1987, 92:12,664-12,674.
25. Sclater J., Christie P. Continental stretching: an explanation of the post-mid-Cretaceous sibsidence of the central North sea basin. J. Geophys. Res. 1980, 85(B7):3711-3739.
26. Wessel P., Smith W.H.F. New, improved version of the generic mapping tools released. EOS Trans. AGU 1998, 79:579.