A palaeomagnetic and rock magnetic study of the northern Rajmahal Volcanics, Bihar, India

Journal of Southeast Asian Earth Sciences

Volumn 13, Issue 2, 1996, Pages 123-131

  Sherwood, Graham J ^a   Basu Mallik, S ^b  

^a LIVERPOOL JOHN MOORES UNIVERSITY   (United Kingdom)

^b JADAVPUR UNIVERSITY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

BASALT; CRETACEOUS; OXIDATION; PALAEOMAGNETISM; PALAEOPOLE; TITANOMAGNETITE;

INDIA, BIHAR, RAJMAHAL HILLS;

EID: 0030423889     PISSN: 07439547     EISSN: None     Source Type: Journal    
DOI: 10.1016/0743-9547(96)00013-X     Document Type: Article

References (36)

1. Athavale R. N., Verma R. K., Bhalla M. S. and Pullaiah (1970) Drift of the Indian subcontinent since Precambrian times. In Palaeogeophysics (edited by S. K. Runcorn) pp. 291-305. Academic Press, London.
2. Bagchi D. (1991) Magnetic properties and iron-titanium oxide mineralogy of some Rajmahal volcanic rocks, unpub. Ph.D. thesis, Jadavpur University, Calcutta.
3. 39Ar incremental heating study of whole-rock samples from the Rajmahal and Bengal Traps, eastern India. Terra Cognita 6, 161.
4. Baksi A. K. (1995) Petrogenesis and timing of volcanism in the Rajmahal flood basalt province, Northeastern India. Chem. Geol. 121, 73-90.
5. Ball V. (1876) Geology of the Rajmahal Hills. Mem. Geol. Surv. India 13, 155-248.
6. Clegg J. A., Radhakrishnamurty C. and Sahasrabudhe P. W. (1958) Remanent magnetism of the Rajmahal Traps of North-eastern India. Nature 181, 830-831.
7. Das A. K., Piper J. D. A., Bandyopadhyay G. and Basu Mallik S. (1996) Polarity inversion in the Rajmahal lavas, north-east India: trap emplacement near commencement of the Cretaceous Normal Superchron. Geophys. J. Int. 124, 427-432.
8. Fisher R. A. (1953) Dispersion on a sphere. Proc. Roy. Soc. London A217, 295-305.
9. Ghosh S. (1979) The magnetization of the volcanic flows from Northeastern Rajmahal Hills, Bihar, India, unpub. Ph.D. thesis, Jadavpur University, Calcutta.
10. Grommé S., Wright T. L. and Peck D. L. (1969) Magnetic properties and oxidation of iron-titanium oxide minerals in Alae and Makaopuhi lava lakes, Hawaii. J. Geophys. Res. 74, 5277-5293.
11. Haggerty S. E. (1976) Oxidation of opaque mineral oxides in basalts. In Oxide Minerals (edited by D. Rumble III). Mineral. Soc. Am. Short Course Notes 3, Hg1-Hg98.
12. Harland W. B., Armstrong R. L., Cox A. V., Craig L. E., Smith A. G. and Smith D. G. (1990) A Geologic Time Scale 1989. Cambridge University Press, Cambridge.
13. Kent R. W. (1992) Plume lithosphere interaction: petrology of Rajmahal continental flood basalts and associated lamproites, northeast India, Unpub. Ph.D. thesis, University of Leicester, 350 pp.
14. Kirschvink J. L. (1980) The least-squares line and plane and the analysis of palaeomagnetic data. Geophys. J. R. Astron. Soc. 62, 699-718.
15. Klootwijk C. T. (1971) Palaeomagnetism of the Upper Gondwana Rajmahal Traps, Northeast India. Tectonophysics 12, 449-467.
16. Likhite S. D., Radhakrishnamurty C. and Sahasrabudhe P. W. (1965) Alternating current electromagnet type hysteresis loop tracer for minerals and rocks. Rev. Sci. Instrum. 36, 1558-1560.
17. McDougall I. and McElhinny M. W. (1970) The Rajmahal Traps of India - K-Ar ages and palaeomagnetism. Earth Planet. Sci. Lett. 9, 371-378.
18. O'Reilly W. (1984) Rock and Mineral Magnetism. Blackie, Glasgow.
19. Pascoe E. H. (1959) A Manual of the Geology of India 2, 1343 pp (3rd edn). Government of India Press, Delhi.
20. Radhakrishnamurty C. (1963) Remanent magnetisation of the igneous rocks in the Gondwana Formation of India, unpub. D.Sc. thesis, Andhra University, India.
21. Radhakrishnamurty C. (1970) Laboratory studies for ascertaining the suitability of rocks for palaeomagnetism. In Palaeogeophysics (edited by S. K. Runcorn) pp. 235-241. Academic Press, London.
22. Radhakrishnamurty C. (1985) Identification of titanomagnetites by simple magnetic techniques and application to basalt studies. J. Geol. Soc. India 26, 640-651.
23. Radhakrishnamurty C. (1993) Magnetism and Basalts. Mem. Geol. Soc. India 26, 209 pp.
24. Radhakrishnamurty C., Likhite S. D. and Sahasrabudhe P. W. (1977) Nature of magnetic grains and their effect on the remanent magnetization of basalts. Phys. Earth Planet. Inter. 13, 289-300.
25. Radhakrishnamurty C., Likhite S. D., Deutsch E. R. and Murthy G. S. (1981) A comparison of the magnetic properties of synthetic titanomagnetites and basalts. Phys. Earth Planet. Inter. 26, 37-46.
26. Radhakrishnamurty C., Likhite S. D. and Sahasrabudhe P. W. (1991) Domain states of magnetic grains in basalts and palaeointensity techniques. J. Geomag. Geoelectr. 43, 351-355.
27. Sarkar S. S., Nag S. K. and Basu Mallik S. (1989) The origin of andesite from Rajmahal Traps, eastern India: a quantitative evaluation of a fractional crystallisation model. J. Volcanol. Geotherm. Res. 37, 365-378.
28. Senanayake W. E. (1981) Geomagnetic field in the geological past, unpub. Ph.D. thesis, Australian National University, Canberra.
29. Senanayake W. E. and McElhinny M. W. (1981) Hysteresis and susceptibility characteristics of magnetite and titanomagnetites: interpretation of results from basaltic rocks. Phys. Earth Planet. Inter. 26, 47-55.
30. Shaw J. and Sherwood G. J. (1991) Palaeointensity and reversed frequency-are they related? Geophys. Astrophys. Fluid Dynamics 60, 135-140.
31. Shaw J., Sherwood G. J., Mussett A. E., Rolph T. C., Subbarao K. V. and Sharma P. V. (1991) The strength of the geomagnetic field at the Cretaceous-Tertiary boundary: palaeointensity results from the Deccan Traps (India) and the Disko Lavas (Greenland). J. Geomag. Geoelectr. 43, 395-408.
32. Sherwood G. J. (1988) Rock magnetic studies of Miocene volcanics form eastern Otago and Banks Peninsula, New Zealand: comparison between Curie temperature and low temperature susceptibility behaviour. N.Z. J. Geol. Geophys. 31, 225-235.
33. Sherwood G. J. (1989) MATZIJ - a Basic program to determine paleomagnetic remanence directions using principal component analysis. Computers & Geosciences 15, 1173-1182.
34. Sherwood G. J. (1992) Some rock magnetic properties of mid-Cretaceous basalts from Israel and India (Rajmahal Traps), and their bearing on palaeointensity experiments. Phys. Earth Planet. Inter. 70, 237-242.
35. Sherwood G. J. and Shaw J. (1991) The relationship between magnetic field strength and reversal frequency: preliminary palaeointensity results from the Cretaceous Quiet Zone. Studia Geophysica Geodaetica 35, 325-333.
36. Sherwood G. J., Shaw J., Baer G. and Basu Mallik S. (1993) The strength of the geomagnetic field during the Cretaceous Quiet Zone: palaeointensity results from Israeli and Indian lavas. J. Geomag. Geoelectr. 45, 339-360.