The structure of a Mesozoic basin beneath the Lake Tana area, Ethiopia, revealed by magnetotelluric imaging

Journal of African Earth Sciences

Volumn 44, Issue 3, 2006, Pages 331-338

  Hautot, Sophie ^a,d   Whaler, Kathryn ^a   Gebru, Workneh ^b   Desissa, Mohammednur ^c  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

^b Ministry of Mines and Energy of Ethopia   (Ethiopia)

^c GEOLOGICAL SURVEY OF ETHIOPIA   (Ethiopia)

^d Universite de Bretagne Occidentale   (France)

Author keywords

Ethiopia; Flood basalts; Magnetotellurics; Mesozoic sediments

Indexed keywords

BASIN EVOLUTION; MAGNETOTELLURIC METHOD; MESOZOIC;

AFRICA; EAST AFRICA; ETHIOPIA; LAKE TANA; SUB-SAHARAN AFRICA;

EID: 33644894173     PISSN: 08995362     EISSN: 1464343X     Source Type: Journal    
DOI: 10.1016/j.jafrearsci.2005.11.027     Document Type: Article

References (27)

1. M.G. Abdelsalam R.J. Stern Sutures and shear zones in the Arabian-Nubian Shield J. Afr. Earth Sci. 23 1996 289-310
2. A. Bosellini A. Russo G. Assefa The Mesozoic succession of Dire Dawa, Harar Province, Ethiopia J. Afr. Earth Sci. 32 2001 403-417
3. W. Bosworth Mesozoic and early Tertiary rift tectonics in east Africa Tectonophysics 209 1992 115-137
4. A.D. Chave D.J. Thompson Some comments on magnetotelluric response function estimation J. Geophys. Res. 94 1989 14202-14215
5. J. Chorowicz B. Collet F.F. Bonavia P. Mohr J.F. Parrot T. Korme The Tana basin, Ethiopia: Intra-plateau uplift, rifting and subsidence Tectonophysics 295 1998 351-367
6. J.-L. Counil J.-L. Le Mouël M. Menvielle Associate and conjugate direction concepts in magnetotellurics Ann. Geophys. 4 1986 115-130
7. C.J. Ebinger T. Yemane D.J. Harding S. Tesfaye S. Kelley D.C. Rex Rift deflection, migration, and propagation: Linkage of the Ethiopian rift and eastern rifts, Africa Bull. Geol. Soc. Am. 112 2000 163-176
8. England, R.W., Butler, R.W.H., Hutton, D.H., 1993. The role of Palaeocene magmatism in the Tertiary evolution of basins on the NW seaboard. In: Parker, J.R. (Ed.). Petroleum Geology of Northwest Europe: Proceedings of the 4th Conference. pp. 97-105.
9. A. Getaneh Lithostratigraphy and environment of deposition of Late Triassic to Early Cretaceous sequences of the central part of Northwestern Plateau Ethiopia. N. Jb. Geol. Palaont. Abb. 182 1991 255-284
10. W. Getaneh Geochemistry provenance and depositional tectonic setting of the Adigrat Sandstone northern Ethiopia J. Afr. Earth Sci. 35 2002 185-198
11. S. Hautot P. Tarits K. Whaler B. Le Gall J.J Tiercelin C. Le Turdu The deep structure of the Baringo Rift basin (central Kenya) from 3-D magneto-telluric imaging: Implications for rift evolution J. Geophys. Res. 105 2000 23493-23518
12. S. Hautot P. Tarits F. Perrier C. Tarits M. Trique Groundwater electromagnetic imaging in complex geological and topographical regions: a case study of a tectonic boundary in the French Alps Geophysics 67 2002 1048-1060
13. C. Hofmann V. Courtillot G. Feraud P. Rochette G. Yirgu E. Ketefo R. Pik Timing of the Ethiopian flood basalt event and implications for plume birth and global change Nature 389 1997 838-841
14. Jepsen, D.H., Athearn, M.J., 1961. A general geological map of the Blue Nile River basin. Ethiopia (1:1.000.000). Department of Water Resources, Addis Ababa.
15. A. Jones Static shift of magnetotelluric data and its removal in a sedimentary basin environment Geophysics 53 1988 967-978
16. J. Kappelman D.T. Rasmussen W.J. Sanders M. Feseha T.M. Bown P. Copeland J. Crabaugh J.G. Fleagle M. Glantz A. Gordon B.F. Jacobs M. Maga K. Muldoon A. Pan L. Pyne B. Richmond T.J. Ryan E.R. Seiffert S. Sen L. Todd M.C. Wiemann A. Winkler New Oligocene mammals from Ethiopia and the pattern and timing of faunal exchange between Afro-Arabia and Eurasia Nature 426 2003 549-552
17. T. Kidane B. Abebe V. Courtillot E. Herrero New paleomagnetic result from the Ethiopian flood basalts in the Abbay (Blue Nile) and Kessem gorges Earth Planet. Sci. Lett. 203 2002 353-367
18. B. Kieffer N. Arndt H. Lapierre F. Bastien D. Bosch A. Pecher G. Yirgu D. Ayalew D. Weis D.A. Jerram F. Keller C. Meugniot Flood and shield basalts from Ethiopia: Magmas from the African Superswell J. Pet. 45 2004 793-834
19. D. Mège T. Korme Dyke swarm emplacement in the Ethiopian Large Igneous Province: Not only a matter of stress J. Volcanol. Geotherm. Res. 132 2004 283-310
20. Morley, C.K., Bosworth, W., Day, R.A., Lauck, R., Bosher, R., Stone, D.M., Wigger, S.T., Wescott, W.A., Haun, D., Basset, N., 1999. Geology and geophysics of the Anza graben. In: Morley, C.K. (Ed.). Geosciences of rift systems. Evolution of East Africa: AAPG study in Geology, 44, 67-90.
21. R. Pik C. Deniel C. Coulon G. Yirgu C. Hofmann D. Ayalew The northwestern Ethiopian Plateau flood basalts: Classification and spatial distribution of magma types J. Volcanol. Geotherm. Res. 81 1998 91-111
22. R. Pik B. Marty J. Carignan J. Lavé Stability of the Upper Nile drainage network (Ethiopia) deduced from (U-Th)/He thermochronometry: implications for uplift and erosion of the Afar plume dome Earth Planet. Sci. Lett. 215 2003 73-88
23. O. Ritter A. Junge G.J.K. Dawes New equipment and processing for magnetotelluric remote reference observations Geophys. J. Int. 132 1998 535-548
24. S. Tadesse J.-P. Milesi Y. Deschamps Geology and mineral potential of Ethiopia: A note on geology and mineral map of Ethiopia J. Afr. Earth Sci. 36 2003 273-313
25. Whaler, K.A., Hautot, S., 2006. The electrical resistivity structure of the crust beneath the northern Ethiopian rift. In: Yirgu, G., Ebinger, C., Maguire, P. (Eds.), Structure and Evolution of the East African Rift in Afar Volcanic Province. Geol. Soc. Spec. Publ., in press.
26. Wolela, A., 1997. Sedimentology, diagenesis and hydrocarbon potential sandstones in hydrocarbon prospective Mesozoic rift basins (Ethiopia, UK, USA), Ph.D. Thesis, Queen's University of Belfast.
27. T. Worku T.R. Askin The Karoo sediments (Late Palaeozoic to Early Jurassic) of the Ogaden Basin, Ethiopia Sediment. Geol. 76 1992 7-21