A tomographic image of upper crustal structure using P and S wave seismic refraction data in the southern granulite terrain (SGT), India

Geophysical Research Letters

Volumn 33, Issue 14, 2006, Pages

  Rajendra Prasad, B ^a   Behera, Laxmidhar ^a   Rao, P Koteswara ^a  

^a NATIONAL GEOPHYSICAL RESEARCH INSTITUTE   (India)

Author keywords

[No Author keywords available]

Indexed keywords

IMAGE ANALYSIS; MATHEMATICAL MODELS; ROCKS; TOMOGRAPHY;

CRUSTAL STRUCTURE; SEISMIC REFRACTION; SOUTHERN GRANULITE TERRAIN (SGT); TECTONOTHERMAL ACTIVITY;

SEISMIC PROSPECTING;

CRUSTAL STRUCTURE; GRANULITE; IMAGE ANALYSIS; P-WAVE; REFRACTION; S-WAVE; SEISMIC DATA; TERRAIN; TOMOGRAPHY; UPPER CRUST;

ASIA; EURASIA; INDIA; SOUTH ASIA;

EID: 33845643467     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2006GL026307     Document Type: Article

References (16)

1. Behera, L., K. Sain, and P. R. Reddy (2004), Evidence of underplating from seismic and gravity studies in the Mahanadi delta of eastern India and its tectonic significance, J. Geophys. Res., 109, B12311, doi:10.1029/2003JB002764.
2. Christensen, N. I. (1996), Poisson's ratio and crustal seismology, J. Geophys. Res., 101, 3139-3156.
3. Christensen, N. I., and D. M. Fountain (1975), Constitution of the lower continental crust based on experimental studies of seismic velocities in granulites, Geol. Soc. Am. Bull., 86, 227-236.
4. Christensen, N. I., and W. D. Mooney (1995), Seismic structure and composition of the continental crust: A global review, J. Geophys. Res., 100, 9761-9788.
5. Drury, S. A., and R. W. Holt (1980), The tectonic framework of south Indian craton: A reconnaissance involving LANDSAT imagery, Tectonophysics, 65,T1-T15.
6. Harris, N. B. W., M. Santosh, and P. N. Taylor (1994), Crustal evolution in south India: Constraints from Nd isotopes, J. Geol., 102, 139-150.
7. Hole, J. A., and B. C. Zelt (1995), Three-dimensional finite-difference reflection travel times, Geophys. J. Int., 121, 427-434.
8. s ratios, J. Geophys. Res., 102(B7), 15,225-15,241.
9. Rao, R. U. M., S. Roy, and R. Srinivasan (2003), Heat flow researches in India: Results and perspectives, Mem. Geol. Soc. India, 53, 347-391.
10. Sacks, P. E., C. G. Nambiar, and L. J. Walters (1997), Dextral Pan-African shear along the southwestern edge of the Achankovil Shear Belt, south India: Constraints on Gondwana Reconstructions, J. Geol., 105, 275-284.
11. Santosh, M., K. Yokoyama, S. Biju-Sekhar, and J. J. W. Rogers (2003), Multiple tectonothermal events in the granulite blocks of southern India revealed from EPMA dating: Implications on the history of supercontinents, Gondwana Res., 6(1), 29-63.
12. Vidale, J. E. (1988), Finite-difference calculation of travel times, Bull. Seismol. Soc. Am., 78, 2062-2076.
13. Zelt, C. A. (1998), Lateral velocity resolution from three-dimensional seismic refraction data, Geophys. J. Int., 135, 1101-1112.
14. Zelt, C. A. (1999), Modeling strategies and model assessment for wide-angle seismic travel time data, Geophys. J. Int., 139, 183-204.
15. Zelt, C. A., and P. J. Barton (1998), Three-dimensional seismic refraction tomography: A comparison of two methods applied to data from Faroe Basin, J. Geophys. Res., 103, 7187-7210.
16. Zelt, C. A., and R. B. Smith (1992), Seismic travel time inversion for 2-D crustal velocity structure, Geophys. J. Int., 108, 16-34.