Thermal structure of the lithosphere beneath the Deccan Trap along the western Indian continental margin: Evidence from xenolith data

Journal of the Geological Society of India

Volumn 54, Issue 6, 1999, Pages 585-598

  Dessai, A G ^a   Knight, K ^b   Vaselli, O ^c  

^a GOA UNIVERSITY   (India)

^b DANISH LITHOSPHERE CENTRE   (Denmark)

^c NONE

Author keywords

Crustal xenolith; Deccan Trap; Granulite; Lamprophyre; Maharashtra; Petrology; Pyroxenite

Indexed keywords

CONTINENTAL MARGIN; IGNEOUS INTRUSION; LAMPROPHYRE; LITHOSPHERIC STRUCTURE; PETROLOGY; THERMAL STRUCTURE; XENOLITH;

INDIA;

EID: 0033513145     PISSN: 00167622     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (57)

1. AUDEN, J.B. (1949). Dykes in Western India. A discussion of their relationship with Deccan Traps. Trans. Nat. Inst. Sci. India, v. 3, pp. 123-37.
2. BEANE, J.E., TURNER, C.A., HOOPER, P.R., SUBBARAO, K.V. and WALSH, J.N. (1986). Stratigraphy, composition and formation of Deccan Basalts, Western Ghats, India. Bull. Volcanol., v. 48, pp. 61-83.
3. BREY, G.P. and KOHLER, T. (1990). Geothermobarometry in four phase Lherzolite II. New thermobarometers and practical assessment of existing thermobarometers. Jour. Petrol., v. 27, pp. 1353-1358.
4. CAMPBELL, I.H., and GRIFFITHS, R.W. (1990). Implications of mantle plume structure for the evolution of flood basalts. Earth. Planet. Sci. Lett., v.99, pp. 79-93.
5. COURTILLOT, V.E., FERAUD, G., MALUSKI, H., VANDAMNE, D., MOREAU, M.G. and BESSE, J. (1988). Deccan flood basalts and the Cretaceous-Tertiary boundary. Nature, v. 333, pp. 843-846.
6. COX, K.G., (1980). A model for flood basalt volcanism. Jour. Petrol., v.21, pp. 629-650.
7. COX, K.G. (1983). The Deccan Traps and the Karoo: Stragraphic implications of possible hot spot origins. IAVCEI/Hamburg meeting, p. 96 (Abstract).
8. DESSAI, A.G. (1985). Ultramafic xenoliths(?) in lamprophyre dykes from Murud-Janjira, Raigarh district, Maharashtra. Curr. Sci., v.54, pp. 1235-1238.
9. DESSAI, A.G. (1987). Geochemistry and petrology of xenolith bearing alkaline lamprophyres from Murud-Janjira, Raigad disrtict, Maharashtra. Jour. Geol. Soc. India, v. 30, pp. 61-71.
10. DESSAI, A. G. (1996). Geochemistry of the mantle beneath the Deccan Traps, south of Bombay. Gondwana Geol. Mag. Spl. vol. 2, pp. 201-212.
11. DESSAI, A.G., ROCK, N.M.S., GRIFFIN, B.J. and GUPTA, D. (1990). Mineralogy and petrology of some xenolith bearing alkaline dykes associated with Deccan magmatism, south of Bombay, India. Eur. Jour. Min., v.2, pp. 667-685.
12. DESSAI, A.G. and VASELLI, O. (1999). Petrology and geochemistry of xenoliths in lamprophyres from the Deccan Traps: implications for the nature of the deep crust boundary in western India. Mineral. Mag., v. 63, pp. 703-721.
13. DESSAI, A.G. and VIEGAS, A A.A.A. (1995). Multigeneration mafic dyke swarm related to Deccan magmatism, south of Bombay: Implications on the evolution of the western continental margin. In: Devaraju, T.C., (Ed.), Dyke Swarms of Peninsular India. Mem. Geol. Soc. India, no. 33, pp. 435-451.
14. DEVEY, C.W. and LIGHTFOOT, P.C. (1986). Volcanological and tectonic control of stratigraphy and structure in the western Deccan Traps. Bull. Volcanol., v. 48, pp. 195-207.
15. DIETZ, R.S. and HOLDEN, J.C. (1970). Reconstruction of Pangea break up and dispersion of continents, Permian to Present. Jour. Geophy. Res., v. 75, pp. 4939-4956.
16. DUNCAN, R.A. and PYLE, D.G. (1988). Rapid eruption of Deccan flood basalts, western India In: Subbarao, K. V., (Ed.), Deccan Flood Basalts. Mem. Geol. Soc. India, no. 10, pp. 1-9.
17. DURRHEIM, R.J., and MOONEY, W.D. (1994). Evolution of the Precambrian lithosphere: seismological and geophysical constraints. Jour. Geophys. Res., v. 94, pp. 15359-15374.
18. ELLIS, D.H. and GREEN, D.H. (1979). An experimental study of the effect of Ca upon garnet-clinopyroxene Fe-Mg exchange equilibria. Contrib. Mineral. Petrol., v. 71, pp. 13-22.
19. GANGULY, J. and BHATTACHARYA, P.K. (1987). Xenoliths in Proterozoic kimberlites from southern India: petrology and geophysical implications. In: Nixon, P.H., (Ed.), Mantle Xenoliths. John Wiley, pp. 249-265.
20. GRIFFIN, W.L. and O'REILLY, S.Y. (1987). Is the continental Mono the crust-mantle boundary? Geology, v. 15 pp. 241-244.
21. GRIFFIN, W.L., CARLSWELL, D.A. and NIXON, P.H. (1979). Lower crustal granulites from Lesotho, South Africa. In: Boyd, F.R. and Meyer, H.O.A., (Eds.), The mantle sample:Inclusions in kimberlites and other volcanics. Proc. 2nd Int. Kimberlite Conf. 2. Am. Geophys. Union, Washington, D.C. pp. 59-86.
22. HAGGERTY, S.E. (1986). Diamond genesis in a multiply constrained model. Nature, v. 320, pp. 34-38.
23. HAMILTON, R. and ROCK, N.M.S. (1990). Geochemistry, mineralogy and petrology of a new find of ultramafic lamprophyre from Bulljoh Pool, Nabberu basin, Yilgarn craton, Western Australia. Lithos, v. 24, pp. 275-290.
24. HOLMES, A. (1965). Principles of Physical Geology Thomas Nelson and Sons, London, 1288 p.
25. IMA (1980. Nomenclature of pyroxenes. Mineral. Mag., v.52, pp. 535-550
26. KAILA, K.L. (1988. Mapping the thickness of Deccan Trap flows in India from DSS studies and inferences about a hidden Mesozoic basin in the Narmada-Tapti region. In: Subbarao, K.V., (Ed.), Deccan Flood Basalts. Mem. Geol. Soc. India, no. 10 pp. 91-116.
27. KAILA, K.L., REDDY, P.R., DIXIT, M.M. and LAZARENKO, M.A. (1981a). Deep crustal structure at Koyna, Maharashtra, indicated by deep seismic soundings. Jour. Geol. Soc. India, v. 22, pp. 1-16.
28. KAILA, K.L., MURTHY, P.R.K., RAO, V.K. and KHARATCHKO, G.E. (1981b). Crustal structure from deep seismic sounding along Koyna II (Kelsi-Loni) profile in the Deccan Trap India. Tectonophysics v. 73, pp. 365-384.
29. KAILA, K.L., KRISHNA, V.G. and MALL, D.M. (1981c). Crustal structure along Mehmadabad-Billimora profile in the Cambay basin, India, from deep seismic soundings. Tectonophysics, v. 76, pp. 99-130.
30. KAILASAM, L.N., MURTHY, B.G.K. and CHAYANALA, A.Y.S.R. (1972). Regional gravity studies of Deccan Traps area of Peninsular India. Curr. Sci., v. 41, pp. 403-407
31. KRISHNAMURTHY, P., PANDE, K., GOPALAN, K. and MCDOUGALL, J.D. (1988). Upper mantle xenoliths in alkali basalts related to Deccan Trap volcanism. In: Subbara, K.V., (Ed.), Deccan Flood Basalts. Mem. Geol. Soc. India, no. 10, pp. 53-67.
32. LE PICHON, X. and HEIRTZLER, J.R. (1969). Magnetic anomalies in the Indian Ocean and sea floor spreading. Jour. Geophy. Res., v.73, pp. 2101-2117.
33. MAHADEVAN, T. M. (1994). Deep continental Structure of India: A Review. Geol. Soc. India, Bangalore, 569p.
34. MCDONOUGH, W.F., JOCHUM, K.P., PALME, H. and SPETTEL, B. (1989. Sampling the lithosphere-Reply. Nature, v. 342, p., 743.
35. MERCIER, J.C.C. (1980). Single pyroxene thermobarometry. Tectonophysics, v.70, pp.1-37.
36. MERCIER, J.C. and NICOLAS, A. (1975. Textures and fabrics of upper mantle peridotites as illustrated by xenoliths from basalts. Jour Petrol., v. 16, pp. 454-487.
37. MITCHELL, C. and COX, K.G. (1988). A geological sketch map of the southern part of Deccan Province. In: Subbarao, K.V., (Ed.), Deccan Flood Basalts. Mem. Geol. Soc. India, no. 10., pp. 27-33
38. MORGAN, W.J. (1981). Hot-spot tracks and the opening of Atlantic and Indian oceans. In: Emiliani, C., (Ed.), The Sea. Wiley-Interscience, New York, v.7, pp. 443-487.
39. MOTTANA, A. (1986). Crystal chemical evaluation of garnet and omphacite microprobe analysis: its bearing on the classification of eclogites. Lithos, v. 19, pp. 171-186.
40. MUKHERJEE, A.B. and BISWAS, S.K. (1988). Mantle derived spinel Iherzolite xenoliths from the Deccan Volcanic Province (India): implications for the thermal structure of the lithosphere underlying the Deccan Trap. Jour. Volcanol. Geothermal. Res., v. 35, pp. 269-276.
41. NEGI, J.G., AGARWAL, P.K. and PANDEY, C.P. (1987). Large variation in Curie depth and lithospheric thickness beneath the Indian subcontinent and case for magnetothermometry. Geophys. Jour. Roy. Astr. Soc., v. 88, pp. 763-775.
42. NEGI, J.G., PANDEY, O.P. and AGARWAL, P.K. (1986). Supermobility of hot Indian lithosphere. Tectonophysics, v. 131, pp. 147-156.
43. NEWTON, R.C. and PERKINS, D. (1982). Thermodynamic calibration of geothermometers based on the assemblage garnet-plagioclase-orthopyroxene (clinopyroxene)-quartz. Am. Mineral., v.67, pp. 203-222.
44. NORTON, I.O. and SCLATER, J.G. (1979). A model for the evolution of the Indian ocean and the break-up of the Gondwana. Jour. Geophy. Res., v. 84, pp. 6803-6830.
45. O'REILLY, S. Y. (1989). Nature of the East Australian lithosphere. In: Johnson, R. W., (Ed.), Intraplate Volcanism in Eastern Australia and New Zealand. Cambridge Univ. Press, pp. 290-297.
46. POLLACK, H.N. and CHAPMAN, D.S. (1977). On the regional variation of heat flows, geotherms, and lithosphere thickness. Tectonophysics, v. 38, pp. 279-296.
47. POWELL, R. (1985). Regression diagonostics and robust regression in geothermometer/geobarometer calibration: the garnet-clinopyroxene geothermometer revisited. Jour. Metamorph. Geol., v. 3, pp. 327-342.
48. POWELL, R. and HOLLAND, T.J.B. (1988). An internally consistent data set with uncertainties and correlations:3. Applications to geobarometry, worked examples and a computer programme. Jour. Metamorph. Geol., v. 6, pp. 173-204.
49. RAVI SHANKER (1988). Heat flow map of India and discussion on its geological and economic significance. Indian Minerals, v. 42, pp. 89-110.
50. ROCK, N.M.S. and GROVES, D.I. (1988). Do lamprophyres carry gold as well as diamonds? Nature, v. 332, pp. 253-255.
51. ROGERS, N.W., HAWKESWORTH, C.J., ORMEROD, D.S. and KEMPTON, P.D. (1989). Sampling the lithosphere- Scientific correspondence. Nature, v. 342, p., 743.
52. SEN, G. (1988). Petrogenesis of spinel lherzolite and pyroxenite suite xenoliths from the Koolau shield, Oahu Hawaii: Implications for petrology of the post-eruptive lithosphere beneath Oahu. Contrib. Mineral. Petrol., v. 100, pp. 61-91.
53. SUBBARAO, K.V. and HOOPER, P.R. (1988). Reconnaissance map of the Deccan Basalt Group in the Western Ghats, India. In: Subbarao, K. V., (Ed.), Deccan Flood Basalts. Mem. Geol. Soc. India, no. 10 (enclosure).
54. 39Ar ages from the western ghats, Deccan Trap province, India: implications for K/T events. In: Deshmukh, S.S. and Nair, K.K.K., (Eds), Deccan Basalts, Gondwana. Geol. Mag. Spl. v.2, pp. 321-328.
55. VERMA, R.K. and BANERJEE, P. (1992). Nature of continental crust along the Narmada-Son lineament, inferred gravity and deep seismic sounding data. Tectonophysics, v. 202, pp. 375-397.
56. WATTS, A.B. and COX, K.G. (1989). The Deccan Trap. An interpretation in terms of progressive lithospheric flexure in response to a migrating load. Earth Planet. Sci. Lett., v. 93, pp. 85-97.
57. WENSINK, H. (1973). The India-Pakistan subcontinent and the Gondwana reconstruction based on paleomagnetic results. In: Tarling, D.H. and Runcorn, S.K., (Eds), Implications of continental drift to the Earth Sciences. Academic Press, London, pp. 103-116.