Application of 3D inversion to magnetotelluric profile data from the Deccan Volcanic Province of Western India

Physics of the Earth and Planetary Interiors

Volumn 187, Issue 1-2, 2011, Pages 33-46

  Patro, Prasanta K ^a   Egbert, Gary D ^b  

^a NATIONAL GEOPHYSICAL RESEARCH INSTITUTE   (India)

^b OREGON STATE UNIVERSITY   (United States)

Author keywords

2D inversion; 3D inversion; Deccan Volcanic Province; Magnetotellurics

Indexed keywords

2D INVERSION; 3D INVERSION; 3D MODELS; DATA SETS; DECCAN VOLCANIC PROVINCE; GEOELECTRIC; IMPEDANCE TENSOR; INVERSE SOLUTION; INVERSION CODE; LENGTH SCALE; NEAR-SURFACE; NONUNIQUENESS; OFF-DIAGONAL COMPONENTS; PROFILE DATA; SMALL SCALE; SPECIAL TREATMENTS; SURFACE LAYERS; SYNTHETIC DATA; THREE-DIMENSIONAL (3D);

MAGNETOTELLURICS; TELLURIC PROSPECTING; VOLCANOES;

THREE DIMENSIONAL;

DATA INTERPRETATION; DATA INVERSION; DATA SET; MAGNETOTELLURIC METHOD; SMOOTHING; THREE-DIMENSIONAL MODELING; TWO-DIMENSIONAL MODELING;

DECCAN; INDIA;

EID: 79959737285     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2011.04.005     Document Type: Article

References (20)

1. Acharya S.K., Kayal J.R., Roy A., Chaturvedi R.K. Jabalpur earthquake of May 22, 1997: constraint from aftershock study. J. Geol. Soc. India 1998, 51:195-304.
2. Arya A.S., Murthy T.V.R., Garg J.K., Naraian A., Baldev Sahai. Lineament pattern and its possible relationship with Killari earthquake: a case study using IRS data. Geol. Surv. India Spec. Publ. 1995, 27:211-214.
3. Becken M., Burkhardt H. An ellipticity criterion in magnetotelluric tensor analysis. Geophys. J. Int. 2004, 159:69-82.
4. Biswas S.K. Rift basins in western margin of India and their hydrocarbon prospects with special reference to Kutch basin. Am. Assoc. Petr. Geol. Bull. 1982, 66:1497-1513.
5. Biswas S.K. Regional tectonic framework, structure and evolution of the western marginal basins of India. Tectonophysics 1987, 135:307-327.
6. Duncan R.A., Pyle D.G. Raid eruption of the Deccan Traps at the Cretaceous/Tertiary boundary. Nature 1988, 333:841-843.
7. Krishna Brahmam N., Negi J.G. Rift valleys beneath the Deccan Trap (India). Geophys. Res. Bull. 1973, 11:207-237.
8. Kaila K.L., Reddy P.R., Dixit M.M., Koteswar Rao P. Crustal structure across the Narmada-Son lineament, Central India from deep seismic soundings. J. Geol. Soc. India 1985, 26:465-480.
9. McNeice G.W., Jones A.G. Multisite, multifrequency tensor decomposition of magnetotelluric data. Geophysics 2001, 66:158-173.
10. Patro B.P.K., Brasse H., Sarma S.V.S., Harinarayana T. Electrical structure of the crust below the Deccan Flood Basalts (India), inferred from magnetotelluric soundings. Geophys. J. Int. 2005, 163:931-943.
11. Patro B.P.K., Harinarayana T., Sastry R.S., Rao M., Manoj C., Naganjaneyulu K., Sarma S.V.S. Electrical imaging of Narmada-Son Lineament Zone, Central India from magnetotellurics. Phys. Earth Planet. Inter. 2005, 148:215-232.
12. Patro P.K., Sarma S.V.S. Lithospheric electrical imaging of the Deccan trap covered region of western India. J. Geophys. Res. 2009, 114:B01102.
13. Peng Z.X., Mahoney J., Hooper P., Harris C., Beane J. A role for lower continental crust in flood basalt genesis? Isotopic and incompatible element study of the lower six formations of the western Deccan Traps. Geochim. Cosmochim. Acta 1994, 58:267-288.
14. Peshwa V.V., Kale V.S. Neotectonics of the Deccan trap province: focus on Kurduwadi lineament. J. Geophys. 1997, 18:77-86.
15. Rodi W., Mackie R.L. Nonlinear conjugate gradients algorithm for 2-D magnetotelluric inversion. Geophysics 2001, 66:174-187.
16. Siripunvaraporn W., Egbert G., Lenbury Y., Uyeshima M. Three-dimensional magnetotelluric: data space method. Phys. Earth Planet. Inter. 2005, 150:3-14.
17. Siripunvaraporn W., Egbert G., Uyeshima M. Interpretation of 2-D magnetotelluric profile data with 3-D inversion: synthetic examples. Geophys. J. Int. 2005, 160:804-814.
18. Smith J.T. Estimating galvanic-distortion magnetic fields in magnetotellurics. Geophys. J. Int. 1997, 130:65-72.
19. Tiwari V.M., Vyaghraswara Rao M.B.S., Mishra D.C. Density inhomogeneities beneath Deccan Volcanic Province, India, as derived from gravity data. J. Geodyn. 2001, 31:1-17.
20. West W.D. The line of Narmada-Son valley. Curr. Sci. 1962, 31:143-144.