One-dimensional spectral analysis of aeromagnetic anomalies and Curie depth isotherm in the Anambra Basin of Nigeria

Journal of Geodynamics

Volumn 23, Issue 2, 1997, Pages 95-107

  Onwuemesi, A G ^a  

^a NNAMDI AZIKIWE UNIVERSITY   (Nigeria)

Author keywords

[No Author keywords available]

Indexed keywords

AEROMAGNETIC DATA; CURIE TEMPERATURE ISOTHERM; MAGNETIC ANOMALY;

NIGERIA, ANAMBRA BASIN;

EID: 0030862530     PISSN: 02643707     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0264-3707(96)00028-2     Document Type: Article

References (25)

1. Adighije C. I. (1979) Gravity field of Benue Trough. Nature Phys. Sci. 282, 199-201.
2. Adighije C. I. (1981) A gravity interpretation of the Benue Trough, Nigeria. Tectonophysics 79, 109-128.
3. Ajayi C. O. and Ajakaiye D. E. (1981) The origin and peculiarities of the Nigerian Benue Trough: another look from recent gravity data obtained from the Middle Benue. Technophysics 80, 285-303.
4. Artsybasher V. A. and Kogbe C. A. (1974) Crustal Structure of the Benue Valley area Nigeria. Geol. Rundsch. 64, 324-329.
5. Benkhelil J. (1982) Benue Trough and Benue Chain. Geol. Mag. 119, 155-168.
6. Benkhelil J. (1986) Careteristique structurales et evolution geodynamigqu du basin intra-continental de la Benoue (Nigeria). These d'etal, University of Nice.
7. Benkhelil J. (1989) The origin and evolution of the Cretaceous Benue Trough (Nigeria). J. Afr. Earth Sci. 8, 251-282.
8. Bhattacharyya B. K. (1966) Continuous Spectrum of the total magnetic field anomaly due to a rectangular prismatic body. Geophysics 31, 97-121.
9. Burke K. C., Dessauvage T. F. J. and Whiteman A. J. (1970) Geological history of the Benue Valley, and adjacent areas. In: African Geology (Dessauvagie T. F. J. and Whiteman A. J. eds), pp. 187-205.
10. Burke K. C. and Dewey J. F. (1974) Two plates in Africa during the Cretaceous. Nature, Lond. 249, 313-316.
11. Byerly P. E. and Stolt R. H. (1977) An attempt to define Curie point isotherm in Northern and Central Arizona. Geophysics 12, 1394-1400.
12. Cratchley C. R. and Jones J. P. (1965) An interpretation of the geology and gravity anomalies of the Benue Valley, Nigeria. Oversea geol. Surv. Geophys. Pap. 9, 1-28.
13. Fairhead J. D. and Okereke C. S. (1968) Depth to major density contrast beneath the West African rift system in Nigeria and Cameroun based on Spectral analysis of gravity data. J. Afr. Earth Sci. 7, 769-777.
14. Hahn A., Kind E. G. and Mishra D. C. (1976) Depth estimation of magnetic sources by means of Fourier amplitude spectra. Geophys. Prospect. 24, 287-308.
15. King L. C. (1950) Outline and disruption of Gondwanaland. Geol. Mag. 87, 353-359.
16. Mishra D. C. and Naidu P. S. (1974) Two-dimensional power spectrum and analysis of aeromagnetic fields. Geophys. Prospect. 22, 345-353.
17. Ofoegbu C. O. (1985) Long wavelength anomalies and the crustal structure underneath the Benue Trough and surrounding regions. Nig. J. Mining Geol. 22, 45-50.
18. Ofoegbu C. O. and Onuoha K. M. (1990) Analysis of magnetic data ever the Abakaliki Anticlinorium of the Lower Benue Trough, Nigeria. Mar. Petrol. Geol. 8, 174-183.
19. Olade M. A. (1975) Evolution of Nigeria's Benue Trough (aulacogen). A tectonic model. Geol. Mag. 112, 575-583.
20. Onuoha K. M. and Ekine A. S. (1995) Subsurface temperature variations and heat flow in Anambra Basin Nigeria. J. Afr. Earth Sci. (in Press).
21. Osazuwa I. B., Ajakaiye D. E. and Verheijen P. J. T. (1981) Analysis of the structure of part of the Benue Rift Valley on the basis of new geophysical data. Earth Evol. Sci. 1, 126-135.
22. Smith R. B., Shuey R. T., Freldline R. O., Otis R. K. and Alley L. G. (1974) Yellowstone hot spot: new magnetic and seismic evidence. Geology 2, 451-455.
23. Spector A. and Grant F. S. (1970) Statistical models for interpreting aeromagnetic data. Geophysics 25, 293-302.
24. Stoneley R. ( 1966) The Niger delta region in the light of the theory of the continental drift. Geol. Mag. 103, 385-396.
25. Vacquier V. and Affleck J. (1941) A computation of the average depth to the bottom of the earth's magnetic crust on a statistical study of local magnetic anomalies. Trans. Am. Geophys. Un. 22nd Annual meeting, pp. 446-450. American Geophysical Union, Washington, DC.