REFERENCES

Asad, A.M., Pullammanappallil, S.K., Anooshehpoor, A. & Louie, J.N. 1999.  Inversion of travel-time data for earthquake locations and three-dimensional velocity structure in the Eureka Valley area, Eastern California. Bull.Seis Soc.Am., 89, 796.
Ayele, A. 2000. Normal left oblique-slip fault mechanisms as an indication of sinistral deformation between Nubia and Somalia in the MER, J.Afri.Earth. Sci, in press.
Ayelew, D.  2000.  Origin by fractional crystallization of transitional basalt for the Asela-Ziway pantellerites.  Chem. Geol., 168, 1-3.
Ayenew, T.  1998.  The hydrogeological system of the Lake District, Central Main Ethiopian Rift.  PhD thesis, Vrije Universiteit, Amsterdam.
Baker B.H., Mohr, P.A., and Williams, L.A.J., 1972.  Geology of the East Africa rift system, Geol. Soc. America Spec. Paper, 136, 67 pp.
Baker, J., L. Snee, & Menzies, M.  1996.  A brief Oligocene period of flood volcanism in Yemen, EPSL, 138, 39-55.
Barbiero M.R., Donati C., Donato P., Yirgu G., Peccerillo A. & Wu T.W.  1999.  Petrology and geochemistry of Quaternary magmatism in the northern sector of the Ethiopian Rift between Debre Zeit and Awash Park. Acta Vulcanologica 11, 69-81.
Berckhemer, H., Baier, B.,  Bartelson, H., Behle, A.,  Burkhardt, H., Gebrande, H., Makris, J.,  Menzel, H., Miller, H. & Vees, R.  1975  Deep seismic soundings in the Afar region and on the highland of Ethiopia, in Afar Between Continental and Oceanic Rifting, edited by A. Pilger and A. Rösler, Schweizerbart, Stuttgart, pp.89-107.
Bilham, R., Bendick, R., Larson, K., Braun, J., Tesfaye, S., Mohr, P. & Asfaw, L.  1999.  Secular and tidal strain across the Ethiopian rift, Geophys.Res.Letts., 27, 2789-2793.
Birt, C., Maguire, P., Khan, M., Thybo, H., Keller, G. & Patel, J.  1997.  The influence of pre-existing structures of the southern Kenya rift valley: evidence from seismic and gravity studies, Tectonophyics, 278, 211-242.
Blackman, D. & Forsyth, D.W.  1991.  Isostatic compensation of tectonic features of the Mid-Atlantic Ridge: 25° - 27°30’ S, J. Geophys. Res., 96, 11741-11758.
Blackman, D. & Kendall, J.-M.  1997.  Sensitivity of teleseismic body waves to mineral texture and melt in the mantle beneath a mid-ocean ridge, Phil Trans. R. Soc. London, 355, 217-231.
Blackman D.K., Kendall J.-M., Dawson P.R., Wenk H.R., Boyce D. & Morgan J.P.  1996. Teleseismic imaging of subaxial flow at mid-ocean ridges: Traveltime effects of anisotropic mineral texture in the mantle.  Geophys.J.Int., 127, 415- 426.
Boccaletti, M., Mazzuoli, R., Bonini, M., Trua, T., and Abebe, B.  1999.  Plio-Quaternary volcanotectonic activity in the northern sector of the Main Ethiopian Rift: relationships with oblique rifting. J. African Earth. Sci., 29, 679-698.
Bonjer, K.-P., Fuchs, K., and Wohlenberg, J.  1970.  Crustal structures of the East African rift system from spectral response ratios of long period body waves. Z. Geophysics, 36, 287-297.
Boutilier, R. & Keen, C.  1999.  Small-scale convection and divergent plate boundaries, J.Geophys.Res., 104, 7389-7403.
Braile, L.W., Wang, B., Daudt, C.R., Keller, G.R., and Patel, J.P.  1994.  Modelling the 2-D seismic velocity structure across the Kenya rift.  In: C. Prodehl, G.R. Keller, and M.A. Khan (Editors), Crustal and upper mantle structure of the Kenya rift. Tectonophysics, 236: 251-269.
Burkhardt, H., and Vees, R.  1975a.  The Afar 1972 seismic source signals: generation, control and comparison with profile records in Afar Between Continental and Oceanic Rifting, edited by A. Pilger and A. Rösler, Schweizerbart, Stuttgart, pp. 108-113.
Burkhardt, H., and Vees, R.  1975b.  Explosions in shallow water for deep seismic sounding experiments.  J. Geophys., 41, 463-474.
Chen, L.-S., Booker, J.R., Jones, A.G., Wu, N., Unsworth, M.J., Wei, W.-B., and Tan, H.-D.  1996.  Electrically conductive crust in southern Tibet from INDEPTH magnetotelluric surveying.  Science, 274, 1694-1696.
Chernet, T., and Hart, W.K.  1999.  Petrology and geochemistry of volcanism in the northern Main Ethiopian Rift – southern Afar transition region.  Acta Vulcanologica, 11, 21-41.
Cogbill, A. H., 1990, Gravity terrain corrections calculated using digital elevation models: Geophysics, 55, 102-106.
Conticelli, S., Sintoni, M.F., Abebe, T., Mazzarini, F., Manetti, P.  1999.  Petrology and geochemistry of ultramafic xenoliths and host lavas from the Ethiopian volcanic province: an insight into the upper mantle under eastern Africa.  Acta Vulcanologica, 11, 143-159.
Davidson, A., and Rex, D.  1980.  Age of volcanism and rifting in southwestern Ethiopia. Nature, 283: 657-658.
Driscoll, N.W. & Karner, G.D.  1998. Lower crustal extension across the Northern Carnarvon basin, Australia: Evidence for an eastward dipping detachment.  J Geophys.Res., 103, 4975-4991.
Dunbar, J. & Sawyer, D.  1989.  Three-dimensional dynamical model of continental rift propagation and margin formation. J.Geophys.Res., 101, 27845-27863.
Ebinger, C.J.  1989.  Tectonic development and the western branch of the East African rift system.  Geol. Soc. of Am. Bull., 101, 885-903.
Ebinger and Casey,  2001.  Continental break-up in magmatic provinces: an Ethiopian example.  Geology, 29, 527-530
Ebinger C.J. and Ibrahim A.  1994.  Multiple episodes of rifting in Central and East Africa: A re-evaluation of gravity data.  Geol. Rundsch. 83, 689-702.
Ebinger, C. and Sleep, N.  1998  Cenozoic magmatism throughout E Africa resulting from impact of a single plume.  Nature, 395, 788-791.
Ebinger, C.J., Bechtel, T.D., Forsyth, D.W., and Bowin, C., 1989a. Effective elastic plate thickness beneath the East African and Afar plateaux and dynamic compensation of the uplifts. J. Geophys. Res., 94, 2893-2901.
Ebinger, C.J. 1989b. Geometric and kinematic development of border faults and accommodation zones, Kivu-Rusizi rift, Africa, Tectonics, 8, 117-133.
Ebinger, C., T. Yemane, D. Harding, S. Tesfaye, D. Rex, S. Kelley, Rift deflection, migration, and propagation:  Linkage of the Ethiopian and Eastern rifts, Africa, Geol. Soc. Amer. Bull., 102, 163-176, 2000.
Fedi, M. and Florio, G., 2001, Detection of potential fields source boundaries by enhanced horizontal derivative method: Geophys. Prosp., 49, 40-58
Fliedner, M.M., S. Ruppert, and SSCD Working Group.  1996.  Three-dimensional crustal structure of the southern Sierra Nevada from seismic fan profiles and gravity modelling.  Geology, 24, 367-370.
Fliedner, M.M., S.L. Klemperer, and N. Christensen.  2001.  Three-dimensional seismic model of the Sierra Nevada arc, California, and its implications for crustal and upper mantle composition. J. Geophys. Res., 105, 10,899-10,921.
Furman T., Bryce J., Karson J., & Iotti A. 2001. Geochemistry of Quaternary mafic lavas from Turkana, Kenya: evidence for a common plume source beneath the East African Rift System.  Earth and Planetary Science Letters, submitted
Gasparon M., Innocenti F., Manetti P., Peccerillo A. & Tsegaye A. 1993. Genesis of the Pliocene to Recent bimodal mafic-felsic volcanism in the Debre Zeit area, central Ethiopia: volcanological and geochemical constraints. J. African Earth Sci. 17, 145-165.
Gouin, P., and Mohr, P., 1964, Gravity traverses in Ethiopia: Bull. Geophys. Obs. Addis Ababa, v. 7, 339-358.
Gregory, J.W., 1896. The Great Rift Valley. John Murray, London, 405 pp.
Gregory, J.W., 1921. The Rift Valleys and Geology of East Africa. Seeley, London, 479 pp.
Hammer, S., 1939, Terrain corrections for gravimeter stations: Geophysics, 4, 184-194.
Hart, W, WoldeGabriel, G., Walter, R. & Metrzmann, S. 1989. Basaltic volcanism in Ethiopia: Constraints on continental rifting and mantle interactions. Journal of Geophysical Research, 94, 7731-7748.
Hay, D.E., R.F. Wendlandt, and G.R. Keller, 1995, The origin of Kenya rift Plateau-type flood phonolites:  Integrated petrologic and geophysical constraints on the evolution of the crust and upper mantle beneath the Kenya rift:  Journal of Geophysical Research, 100, 10,549-10,557.
Hayward, N. & Ebinger, C. 1996 Variations in the along-axis segmentation of the Afar rift system, Tectonics, 15, 244-257.
Hebert, L. & Langston, C.A. 1985 Crustal thickness estimates at AAE and NAI using teleseismic P-wave conversions, Tectonophysics, 111, 299-327.
Hebert, H., Deplus, C., Huchon, P. & Khanbari, K. 2000 Lithospheric structure of the nascent west Gulf of Aden spreading center inferred from gravity data, J.Geophys.Res., (in press).
Holbrook, W. & Kelemen, P. 1993 Large igneous province on the US Atlantic margin and implications for magmatism during breakup, Nature, 364, 433-436.
Jackson, J. & Blenkinsop, T. 1997 The Bilila-Mtakataka fault in Malawi: An active, 100-km long, normal fault segment in thick seismogenic crust. Tectonics, 16, 137-150.
Jacob, A.W.B., Vees, R., Braile, L.W., and Criley, E.  Optimization of widse-angle seismic signal-to-noise ratios and P-wave transmission in Kenya.  Tectonophysics, 236, 61-79.
Jentzsch, G., Mahatsente, R., & Jahr, T.  2000.  Three dimensional inversion of gravity data from the Main Ethiopian Rift.  Phys. Chem. Earth (A), v. 25, 365-373.
Kebede, S., Ayenew, T., and Umer, Mohammed.  2001.  Application of isotope and watyer balance approaches for the study of the hydrogeological regime of the Bishoftu crater lakes, central Ethiopia.  SINET: Ethiopian Journal of Science, in press.
Keller, G.R., Khan, M.A., Morgan, P., Wendlandt, R.F., Baldridge, W.S., Olsen, K.H., Prodehl, C., and Braile, L.W., 1991. A comparative study of the Rio Grande and Kenya rifts. In: AR Gangi (Editor), World rift systems. Tectonophysics, 197: 355-372.
Keller, G.R., Mechie, J., Braile, L.W., Mooney, W.D. and Prodehl, C., 1994a. Seismic structure of the uppermost mantle beneath the Kenya Rift. In: C. Prodehl, G.R. Keller and M.A. Khan (Editors), Crustal and upper mantle structure of the Kenya rift. Tectonophysics, 236: 201-216.
Keller, G. R., C. Prodehl, J. Mechie, K. Fuchs, M. A. Khan, P. K. H Maguire, W. D. Mooney, U. Achauer, P. M. Davis, R. P. Meyer, L. W. Braile, I. O. Nyambok, & G. A. Thompson, 1994b, The East African rift system in the light of KRISP 90, in Crustal and Upper Mantle Structure of the Kenya Rift, C. Prodehl, G. R. Keller and M. A. Khan (eds.), Tectonophysics, v. 236, p. 465-483.
Knox, R., Nyblade, A. & Langston, C. 1999 Upper mantle S velocities beneath Afar and western Saudi Arabia from Rayleigh wave dispersion, Geophys.Res.Letts., 25, 4233-4236.
Kusznir, N., Karner, G. & Egan, S. 1987 Geometric, thermal, and isostatic consequences of detachments in continental lithosphere extension and basin formation, Can. Soc.Pet.Geol.Mem., 12, 184-203.
Logatchev N.A., Zorin Y.A. & Rogozhina, V.A. 1983. Baikal rift: Active or passive? Comparison of the Baikal and Kenya rift zones. Tectonophysics 94, 223-240.
Macdonald R., 1994. Petrological evidence regarding evolution of the Kenya Rift Valley. Tectonophysics 236, 373-390.
Maguire, P.K.H., Birt, C.S., Denton, P., Thybo, H. & Khan, M.A. 1998 Experiment design to study crust and upper mantle processes occurring during continental extension: a seismic survey in the Kenya Rift.  Proc. 1997 CCSS Workshop Cambridge, UK. Conf.Proc. 1, 83-96.
Mahatsente, R., Jentzsch, G., Jahr, T., 1999, Crustal structure of the main Ethiopian rift gravity data: 3-dimensional modeling: Tectonophysics, v. 313, 363-382.
Mahatsente, R., Jentzsch, G., Jahr, T., 2000, Three-dimensional inversion of gravity data from the main Ethiopian rift: J. African Earth Sci., v. 31, 451-466.
Makovsky, Y. & Klemperer, S. 1999 Measuring the seismic properties of Tibetan bright spots: evidence for aqueous fluids in the Tibetan crust, J.Geophys.Res., 104, 10795-10825.
Makris, J. & Ginzberg, A. 1987 The Afar depression: transition between continental rifting and sea-floor spreading. In: Ben Avrahem, Z.(ed.) Sedimentary Basins within the Dead Sea and Other Rift Zones. Tectonophysics,141, 199-214.
Makris, J., Thiele, P., and Zimmerman, J., 1970, Crustal investigation from gravity measurements at the scarp of the Ethiopian Plateau: Z. Geophys., v. 36, 299-311.
Makris, J., Menzel, H., and Zimmerman, J., 1972, A preliminary interpretation of the gravity field of afar, northeast Ethiopia: Tectonophysics, v. 15, 31-39.
Makris, J., Mohr, P., and Rihm, R., 1991. Red Sea: Birth and Earth History of a New Oceanic Basin. Tectonophysics, 198: 1-468.
Mechie, J., Keller, G.R., Prodehl, C., Gaciri, S., Braile, L.W., Mooney, W.D., Gajewski, D. and Sandmeier, K.-J., 1994. Crustal structure beneath the Kenya Rift from axial profile data. In: C. Prodehl, G.R. Keller and M.A. Khan (Editors), Crustal and upper mantle structure of the Kenya rift. Tectonophysics, 236: 179-200.
Menzies, M., Gallagher, K., Yelland, A. & Hurford, A. 1997 Volcanic and non-volcanic rifted margins of the Red Sea and Gulf of Aden, Geochim. Cosmochim. Acta, 61, 2511-2527.
Menzies, M.A., Ebinger, C.J., Klemperer, S.L. and Baker, J.  2002, in press.  Characteristics of volcanic rifted margins.  In: “Magmatic rifted margins”, M.A. Menzies, J. Baker, C.J. Ebinger, and S.L. Klemperer, eds. Geol. Soc. Am. Special Paper.
Mohr, P., 1978. Afar. Ann. Rev. Earth. Planet. Sci. 6: 145-172.
Mohr, P., 1983. Ethiopian flood basalt province, Nature, 303:577-583.
Mohr, P., 1987. Patterns of faulting in the Ethiopian rift valley. Tectonophysics, 143: 169-179.
Mohr, P., 1989. The nature of the crust under Afar-. New igneous, not stretched continental. Tectonophysics, 167: 1-11.
Mohr, P., 1992. Nature of the crust beneath magmatically active continental rifts. Tectonophysics, 213: 269-284.
Mohr, P., and Rogers, A., 1966, Gravity traverses in Ethiopia: Bull. Geophys. Obs. Addis Ababa, 10, 15-52.
Mohr, P., and Zanettin, B., 1988. The Ethiopian flood basalt province. In: “Continental Flood Basalts”, edited by J.D. Macdougall, Kluwer Academic Publishers, 63-110.
Moore, J.M. and A. Davidson, 1978. Rift structure in southern Ethiopia. Tectonophysics, 46: 159-173.
Morley, C.K., Wescott, W.A., Stone, D.M., Harper, R.M., Wigger, S.T., and Karanja, F.M., 1992. Tectonic evolution of the northern Kenyan rift. J. Geol. Soc. Lond., 149: 333-348.
Morten, L., De Francesco, A.M., Bonavia, F.F., Haileselassie, G., Bargossi, G.M., and Bondi, M.  1992. A new mantle xenolith locality from southern Ethiopia.  Mineralogical Magazine, 56, 422-425.
Petit, C., & Ebinger, C. 2000  Flecure and mechanical behavior of cratonic lithosphere: gravity models of the East African and Baikal rifts.  J. Geophys. Res., 105, 19151-19162.
Phipps-Morgan, J., & Chen, J. 1993 Dependence of ridge-axis morphology on magma supply and spreading rate, Nature, 364, 706-708.
Pickup, S.L.B., Whitmarsh, R.B., Fowler, C.M.R. & Reston, T.J. 1996 Insight into the nature of the ocean-continent transition off west Iberia from a deep multichannel seismic reflection profile. Geology, 24, 1079-1082.
Pik R., Deniel C., Coulon C., Yirgu G. & Marty B. 1999. Isotopic and trace element signatures of Ethiopian flood basalts; evidence for plume-lithosphere interactions. Geochim. Cosmochim. Acta. 63, 2263-2279.
Poliakov, A., & Buck, R. 1998  Mechanics of stretching elastic-plastic-viscous layers:  Applications to slow-spreading ridges, Geophys. Un. Mono., 106, Amer. Geophys. Un., Washington, DC.
Prodehl, C., and Mechie, J., 1991. Crustal thinning in relationship to the evolution of the Afro-Arabian rift system - a review of seismic-refraction data. In: Makris, J., P. Mohr, and R. Rihm, (Editors), Red Sea: Birth and early history of a new oceanic basin.
Prodehl, C., Keller, G.R., and Khan, M.A., (Editors) 1994a. Tectonophysics, Special vol. 236, Elsevier.
Prodehl, C., Mechie, J., Achauer, U., Keller, G.R., Khan, M.A., Mooney, W.D., Gaciri, S.J., and Obel, J.D.  1994b.  The KRISP 90 seismic experiment – a technical review.  Tectonophysics, 236, 33-60.
Roger, S., Dautri, J.-M., Coulon, C., Pik, R., Yirgu, G., Michard, A., Legros, P., and Ayalew, D.  1999.  An insoght on the nature, composition and evolution of the lithospheriuc mantle beneath the northwestern Ethiopian plateau: the ultrabasic xenoliths from the Lake Tana Province. Acta Vulcanologica, 11, 161-168.
Rogers N., Macdonald R., Fitton J.G., George R., Smith M. & Barreiro B., 2000. Two mantle plumes beneath the East African rift system: Sr, Nd and Pb isotope evidence from Kenya Rift basalts. Earth Planet. Sci. Lett., 176, 387-400.
Rubin, A. 1992 Dike-induced faulting and graben subsidence in volcanic rift  zones, J.Geophys.Res., 97, 1839-1858.
Ruegg, J-C. 1975  Main results about the crustal and upper mantle structure of the Djibouti region TFAI, in Afar Between Continental and Oceanic Rifting, edited by A. Pilger and A. Rösler, Schweizerbart, Stuttgart. pp.89-107,
Schilling, J. G., Kingsley, R.H., Hanan, B.B & McCully, B.L. 1992 Nd-Sr-Pb isotopic variations along the Gulf of Aden: evidence for Afar mantle plume- continental lithosphere interaction.  J.Geophys.Res.  97, 10927-10966.
Searle, R.C. 1975.  The dispersion of surface waves across southern Afar. in Afar Between Continental and Oceanic Rifting, edited by A. Pilger and A. Rösler, Schweizerbart, Stuttgart, pp. 113-120.
Searle, R., and Gouin, P., 1972, A gravity survey of the central part of the Ethiopian rift valley: Tectonophysics, v. 15, 41-42.
Simiyu, S. M. and G. R. Keller, 1997, An integrated analysis of lithospheric structure across the East African Plateau based on gravity anomalies and recent seismic studies: Tectonophysics, v. 278, p. 291-313.
Simpson, F.  2000, A three-dimensional electromagnetic model of the southern Kenya rift: departure from two dimensionality as a possible consequence of a rotating stress field.  J. Geophys. Res., 105, 19321-19334.
Taylor, B., Goodliffe, A. & Martinez, F. 1999 How continents break up: Insights from Papua New Guinea, J.Geophys.Res.,104, 7497.
Teklay, M., Kröner, A., Mezger, K., & Oberhansli, R. 1998 Geochemistry, Pb-Pb single zircon ages and Nd-Sr isotope composition of Precambrian rocks from southern and eastern Ethiopia, J. Afri. Earth Sci., 26, 207-222.
Thurber, C.H. 1983 Earthquake locations and three-dimensional crustal structure in the Coyote Lake areas, central California. J.Geophys.Res. 88, 8226-8236.
Trua, T., Deniel, C., Mazzuoli, R.  1999.  Crustal control in the genesis of Plio-Quaternary bimodal magmatism of the Main Ethiopian Rift (MER): geochemical and isotopic (Sr, Nd, Pb) evidences.  Chem. Geol., 155, 201-231.
VanDecar, J. C. 1991 Upper mantle structure of the Cascadia subduction zone from non-linear teleseismic travel-time inversion. PhD thesis Univ. of Washington, Seattle.
White, R & McKenzie, D. 1989 Magmatism at Rift Zones: The generation of volcanic continental margins and flood basalts. J.Geophys Res., 94, 7685-7729.
Williams, L.A.J., 1982. Physical aspects of magmatism in continental rifts, Am. Geophys. Un., Geodyn. Ser., 8: 193-222.
WoldeGabriel, G., 1987. Volcanotectonic history of the central sector of the Main Ethiopian Rift: A geochronological, geochemical and petrological approach (Ph.D. Thesis), Case Western Reserve University, 410 pp.
WoldeGabriel, G., and Aronson, J.L., 1987. Chow Bahir rift: A "failed" rift in southern Ethiopia. Geology, 15: 430-433.
WoldeGabriel, G., Aronson, J. & Walter, R. 1990. Tectonic development of the Main Ethiopian rift, Geol. Soc. Amer. Bull, 102, 439-458.
WoldeGabriel, G., Yemane, T., Suwa, G., White, T., and Asfaw, B., 1991. Age of volcanism and rifting in the Burji-Soyoma area, Amarco Horst, southern Main Ethiopian Rift: geo- and biochronologic data. J. African Earth Sci., 13: 437-447.
Zelt, C.A. 1999  Modelling strategies and model assessment for wide-angle seismic traveltime data. Geophys. J. Int., 139,183-204.
 
 
 
 

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