Estimation of effective elastic thickness from gravity and topography data under the Deccan Volcanic Province, India

Earth and Planetary Science Letters

Volumn 171, Issue 2, 1999, Pages 289-299

  Tiwari, V M ^a   Mishra, D C ^a  

^a NATIONAL GEOPHYSICAL RESEARCH INSTITUTE   (India)

Author keywords

Deccan traps; Elastic properties; Gravity anomalies; Topography

Indexed keywords

DECCAN TRAPS; ELASTIC PROPERTY; FLOOD BASALT; GRAVITY ANOMALY; TOPOGRAPHY;

INDIA;

EID: 0032750343     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(99)00155-7     Document Type: Article

References (36)

1. White R.S., McKenzie D.P. Magmatism at rift zones: the generation of volcanic continental margins and flood basalt. J. Geophys. Res. 94:1989;7685-7729.
2. Kaila K.L. Mapping the thickness of Deccan Trap flows in India from Deep Seismic Sounding (DSS) studies and inferences about a hidden Mesozoic basin in Narmada-Tapti Region. Geol. Soc. India, Mem. 10:1988;91-116.
3. Duncan R.A., Pyle D.G. Rapid eruption of the Deccan flood basalts at the Cretaceous/Tertiary boundary. Nature. 333:1988;841-843.
4. C. Mitchell, K.G. Cox, A geological sketch map of the southern part of the Deccan Province, in: K.V. Subbarao (Ed.), Deccan Flood Basalts, Geol. Soc. India, Mem. 10 (1988) 27-34.
5. Mitchell C., Widdowson M.A. A geological map of the southern Deccan Trap, India and its structural implications. J. Geol. Soc. London. 148:1989;495-505.
6. Auden J.B. Dykes in western India. Trans. Natl. Inst. Sci. India. 3:1947;123-157.
7. Kennet B.L.N., Widiyantoro S. A low seismic wavespeed anomaly beneath northwestern India: a seismic signature of the Deccan plume? Earth Planet. Sci. Lett. 165:1999;145-155.
8. Kailasam L.N., Murty B.G.K., Chayanulu A.Y.S.R. Regional gravity studies of the Deccan Trap areas of Peninsular India. Current Sci. 41:1972;403-407.
9. V.M. Tiwari, D.C. Mishra, M.B.S.V. Rao, Density inhomogeneities beneath Deccan Volcanic province, India as derived from gravity data, 1999 (communicated).
10. Radhakrishna B.P. Neogene uplift and geomorphic rejuvenation of Indian peninsula. Current Sci. 64:1993;787-793.
11. Watts A.B., Cox K.G. The Deccan Traps: an interpretation in terms of progressive lithospheric flexure in response to a migrating load. Earth Planet. Sci. Lett. 93:1989;85-97.
12. Verma R.K., Subrahmanyam C. Gravity anomalies and Indian lithosphere: review and analysis of existing gravity data. Tectonophysics. 105:1984;141-161.
13. W.A. Heiskanen, F.A. Meinesz Veining, The Earth and its Gravity, McGraw-Hill, New York, 1958, pp. 137-142.
14. Dorman L.M., Lewis B.T.R. Experimental isostasy, I, Theory of determination of the Earth's isostatic response to a concentrated load. J. Geophys. Res. 75:1970;3357-3365.
15. McKenzie D.P., Bowin C. The relationship between bathymetry and gravity in the Atlantic Ocean. J. Geophys. Res. 81:1976;1903-1915.
16. Forsyth D.W. Subsurface loading and estimate of the flexural rigidity of continental lithosphere. J. Geophys. Res. 90:1985;12623-12632.
17. Banks R.J., Parker R.L., Huestis S.P. Isostatic compensation on continental scale: local versus regional mechanism. Geophys. J. R. Astron. Soc. 51:1977;431-452.
18. McNutt M.K., Parker R.L. Isostasy in Australia and evolution of compensating mechanism. Science. 199:1978;773-775.
19. Zuber M.T., Bechtel T.D., Forsyth D.W. Effective elastic thickness of the lithosphere and mechanism of isostatic compensation in Australia. J. Geophys. Res. 94:1989;9353-9367.
20. Bechtel T.D., Forsyth D.W., Swain C.J. Mechanism of isostatic compensation in the vicinity of the East African Rift, Kenya. Geophys. J. R. Astron. Soc. 90:1987;445-465.
21. McKenzie D.P., Fairhead D. Estimates of the effective elastic thickness of the continental lithosphere from Bouguer and free air gravity anomaly. J. Geophys. Res. 102:1997;27523-27552.
22. e) of continental lithosphere: what does it really mean? J. Geophys. Res. 100:1995;3905-3927.
23. Watts A.B. The effective elastic thickness of the lithosphere and the evolution of foreland basin. Basin Res. 4:1992;169-178.
24. S. Roy, R.U.M. Rao, Geothermal investigations in the 1993 Latur earthquake area, Deccan Volcanic Province, India, Tectonophysics (1999) (in press).
25. Karner G.D., Watts A.B. Gravity anomalies and flexure of the lithosphere at mountain ranges. J. Geophys. Res. 88:1983;10449-10477.
26. Lyon-Caen H., Molnar P. Constraints on the structure of the Himalaya from an analysis of gravity anomalies and a flexure model of the lithosphere. J. Geophys. Res. 88:1983;8171-8191.
27. Louden K.E., Forsyth D.W. Crustal structure and isostatic compensation near the Kane fracture zone from topography and gravity measurements, I, Spectral analysis approach. Geophys. J. R. Astron. Soc. 68:1982;725-750.
28. Stewart J., Watts A.B. Gravity anomalies and spatial variations of flexural rigidity at mountain ranges. J. Geophys. Res. 102:1997;5327-5352.
29. J.G. Marsh, Satellite-derived gravity maps, section 2, in: P.D. Lowman, Jr., H.V. Frey (Eds.), A Geophysical Atlas for Interpretation of Satellite-Derived Data, NASA, Greenbelt, MD, 1979.
30. Lemoine F.G.et al. The NASA and DMA joint geopotential model. Eos. 77(46):1996;F136.
31. Bowin C. Depth of principal mass anomalies contributing to Earth's geoid undulations and gravity anomalies. Mar. Geod. 7:1983;61-100.
32. Burov E., Jaupart C., Mareschal J.C. Large-scale crustal heterogeneities and lithospheric strength in cratons. Earth Planet. Sci. Lett. 164:1998;205-219.
33. Barton P.J., Wood R.J. Tectonic evolution of the North Sea basin: crustal stretching and subsidence. Geophys. J. R. Astron. Soc. 79:1984;987-1022.
34. Ramalingeswara Rao B., Sitapathi Rao P. Historical seismicity of peninsular India. Bull. Seismol. Soc. Am. 74:1984;2519-2533.
35. B.K. Rastogi, Seismicity and seismotectonics of the Indian SCR (abstr.), Chapman Conf. (AGU) Stable Continental Region (SCR) Earthquakes, Jan. 25-29, 1998, Hyderabad, pp. 13-14.
36. Mandal P., Singh R.N. Three-dimensional intraplate stress distributions associated with topography and crustal density inhomogeneities beneath the Deccan Volcanic Province. Proc. Indian Acad. Sci. (Earth Planet. Sci.). 105:1996;143-155.