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References on the Afar Region

References on the Afar Region and surrounding areas:

Abbate, E., Passerini, P.& Leonardo, Z. (1995). Strike-slip faults in a rift area: a transect in the Afar triangle, East Africa, Tectonophysics, 241, 67–97.

Abdallah, A., V. Courtillot, M. Kasser, A. Y. Le Dain, J.-C. Le´pine, B. Robineau, J.-C. Ruegg, P. Tapponnier, & A. Tarantola (1979). Afar seismicity and volcanism: Relevance to the mechanics of accreting plate boundaries, Nature, 282, 17– 23.

Abdelsalam, M.G., & Stern, R., (1996). Sutures and shear zones in the Arabian-Nubian Shield: Journal of African Earth Sciences, v. 23, p. 289–310.

Abebe, B., M. Boccaletti, R. Mazzuoli, M. Bonini, L. Tortorici, & T. Trua (1998a). Geological map of the Lake Ziway-Asela region (Main Ethiopian Rift), scale 1:50,000, Cons. Naz. delle Ric., A. R. C. A. Florence, Italy.

Abebe, T., F. Mazzarini, F. Innocenti, & P. Manetti (1998b). The Yerer-Tullu Wellel volcanotectonic lineament: A transtensional structure in central Ethiopia and the associated magmatic activity, J. Afr. Earth Sci., 26(1), 135– 150.

Acocella, V., & T. Korme (2002). Holocene extension direction along the Main Ethiopian Rift, East Africa, Terra Nova, 14, 191– 197.

Acocella, V., Korme, T.& Salvini, F., (2003). Formation of normal faults along the axial zone of the Ethiopian Rift, J. Struct. Geol,. 25, 503–513.

Acocella, V., Abebe, B., Korme, T. & Barberi, F. (2008). Structure of Tendaho Graben and Manda Hararo Rift: Implications for the evolution of the southern Red Sea propagator in Central Afar, Tectonics, 27, TC4016, doi:10.1029/2007TC002236.

Acton, G.D. & S. Stein (1991). Block rotation and continental extension in Afar: a comparison to oceanic microplate systems. Tectonics 10, pp. 501–526.

Acton, G., Tessema, A., Jackson, M. & Bilham, R. (2000). The tectonic and geomagnetic significance of paleomagnetic observations from volcanic rocks from central Afar: Earth and Planetary Science Letters, 180, p. 225–241.

Allard, P., H. Tazieff, & D. Dajlevic (1979). Observations of sea-floor spreading in Afar during the November 1978 fissure eruption, Nature, 279, 30– 33.

Almond, D.C. (1986). Geological evolution of the Afro-Arabian dome, Tectonophysics 331 (1986), pp. 302–333.

Amelung, F., C. Oppenheimer, P. Segall & H. Zebker (2000) Ground deformation near Gada ’Ale Volcano, Afar, observed by radar interferometry, Geophysical Research Letters 27 (2000), pp. 3093–3096.

Asfaw, L. M. (1998). Environmental hazard from fissures in the Main Ethiopian Rift, J. Afr. Earth Sci., 27(3/4), 481– 490.

Asfaw, B., Ebinger, C., Harding, D., White, T., & Woldegabriel, G., (1990). Space-based imagery in paleoanthropological research—An Ethiopian example: National Geographic Research, v. 6, p. 418–434.

Asfaw, L.M., Beyene, H., Mkonnen, A. & Oli, T. (2006). Vertical deformation in the Main Ethiopian Rift: levelling results in its northern part, 1995-2004, in The Afar Volcanic Province within the East African Rift System, eds Yirgu, G., Ebinger, C.J.& Maguire, P.K.H., Geological Society of London, Special Pub. 259, pp. 185-190.

Asrat, A, Berbey, P & Gleizes, G. (2001). The Precambrian geology of Ethiopia: a review. Africa Geoscience Review, 8, 271-288.

Audin, J., P. J. Vellutini, C. Coulon, P. Piguet, & J. Vincent (1990). The 1928 – 1929 eruption of Kammourta volcano—Evidence of tectonomagmatic activity in the Manda-Inakir rift and comparison with the Asal Rift, Afar depression, Republic of Djibuti, Bull. Volcanol., 52, 551– 561.

Audin, L., I.Manighetti, P. Tapponnier, F.Me´tivier, E. Jacques, & P. Huchon (2001). Fault propagation and climatic control of sedimentation on the Ghoubbet Rift Floor: Insights from the Tadjouraden cruise in the western Gulf of Aden, Geophys. J. Int., 144, 391– 413.

Ayalew, D., Barbey, P., Marty, B., Reisberg, L., Yirgu, G. & Pik, R. (2002). Source, genesis and timing of giant ignimbrite deposits associated with Ethiopian continental flood basalts. Geochimica et Cosmochimica Acta, 66, 1429-1448.

Ayalew, D.& Yirgu, G., (2003). Crustal contribution to the genesis of Ethiopian plateau rhyolitic ignimbrites: basalt and rhyolite geochemical provinciality, J. geol. Soc. Lond., 160, 47–56.

Ayalew, D., Ebinger, C., Bourdon, E., Wolfenden, E., Yirgu, G., & Grassineau, N. (2006). Temporal compositional variation of early syn-rift rhyolites along the western Red Sea margin and northern Main Ethiopian rift, in The Afar Volcanic Province within the East African Rift System, eds Yirgu, G., Ebinger, C.J.& Maguire, P.K.H., Geological Society of London, Special Pub. 259, pp. 121-130.

Ayele, A. (1995). Earthquake catalogue of the Horn of Africa for the period 1960–1993, Rep. 3-95, pp. 1 –9, Seismol. Dep., Uppsala Univ., Uppsala.

Ayele, A.& Kulhanek, O., (1997). Spatial and temporal variations of seismicity in the Horn of Africa from 1960 to 1993, Geophys. J. Int., 130, 805–810.

Ayele, A., & R. Arvidsson (1998). Fault mechanisms and tectonic implication of the 1985–1987 earthquake sequence in south western Ethiopia, J. Seismol., 1, 383– 394.

Ayele, A. (2000). Normal left-oblique fault mechanisms as an indication of sinistral deformation between the Nubia and Somalia plates in the Main Ethiopian Rift, J. Afr. Earth Sci., 31(2), 359– 368.

Ayele, A. & Kulhanek, O., (2000). Reassessment of source parameters for three major earthquakes in East African rift system from historical seismograms and bulletins, Ann. Geofis., 43, 81–94.

Ayele, A., Stuart, G.& Kendall, J.M., (2004). Insights into rifting from shear-wave splitting in press: an example from Ethiopia, Geophys. J. Int., 157, 354–362.

Ayele, A., G. W. Stuart, I. D. Bastow, & D. Keir (2006a). The August 2002 earthquake sequence in north Afar: Insights into the neotectonics of the Danakil microplate, J. Afr. Earth Sci., in press.

Ayele, A., A. A. Nyblade, C. A. Langston, M. Cara, & J.-J. Leveque (2006b), New evidence for Afro-Arabian plate separation in southern Afar, in The Afar Volcanic Province within the East African Rift System, eds. G. Yirgu, C. J. Ebinger, and P.K.H. Maguire, Geol. Soc. Spec. Publ., 259, 133-142.

Ayele, A. et al., (2007). The volcano-seismic crisis in Afar, Ethiopia, starting September 2005, Earth Planet. Sci. Lett., 255, 177–187.

Ayele, A., D. Keir, C. Ebinger, T.J. Wright, G.W. Stuart, W.R. Buck, E. Jacques, G. Ogubazghi & J. Sholan, (2009). September 2005 mega-dike emplacement in the Manda-Harraro nascent oceanic rift (Afar depression) (PDF file). Geophysical Research Letters, vol. 36, L20306, doi:10.1029/2009GL039605, 2009

Baker, J., Snee, L., & Menzies, M., (1996). A brief Oligocene period of flood volcanism in Yemen: Earth and Planetary Science Letters, 138, p. 39–49.

Ballu, V., M. Diament, P. Briole, & J.-C. Ruegg (2003). 1985 – 1999
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Barberi, F., Borsi, S., Ferrara, G., Marinelli, G. & Varet, J., (1970). Relations between
tectonics and magmatology in the northern Danakil Depression (Ethiopia). Philosophical Transactions of the Royal Society of L ondon, A267, 293 - 311.

Barberi, F. & Varet, J., (1970). The Erta `Ale volcanic range. Bulletin Volcanologique,
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Barberi, F., Tazieff, H. & Varet, J., (1972). Volcanism in the Afar depression: its tectonic and magmatic significance, Tectonophysics, 15, 19–29.

Barberi, F., Chemine’e, J. L. & Varet, J., (1973). Long-lived lava lakes of Erta Ale volcano. Revue de Ge ographie Physique et de Ge ologie Dynamique, 15, 347 - 352.

Barberi, F. Barberi, E. Bonati, G. Marinelli and J. Varet. (1974) Transverse tectonic during the split of continent: Data from the Afar rift, Tectonophysics 23 (1974), pp. 17–19.

Barberi, F., S. Borsi, G. Ferrarea, G. Marinelli, R. Santcroce, H. Tazief & J. Varet (1972) Evolution of the Danakil Depression (Afar Ethiopia) in light of radiometric age determination, Journal of Geology 80, pp. 720–729.

Barberi, F., G. Ferrara, R. Santacroce, M. Treuil & J. Varet, (1975). A transitional basalt-pantellerite sequence of fractional crystallisation, the Boina centre (Afar rift, Ethiopia), J. Petrol. 16, pp. 22–56.

Barberi, F & Varet, J. (1975) Recent volcanic units of Afar and their structural significance. In: A. Pilger and A. Rosler, Editors, Afar depression of Ethiopia, proceedings of an international symposium on the Afar region and rift related problems, Bad Bergzabren, Germany, 1974, vol. 1, E. Schweizerbart’sche Verlagsbuchhandlung, Stuttgart, Germany (1975), pp. 174–178.

Barberi, F. & Varet, J., (1977). Volcanism in Afar: small-scale plate tectonic implications, Bull. Geol. Soc. Amer., 88, 1251–1266.

Barberi, F., & Santacroce, R., (1980). The Afar Stratoid Series and the magmatic evolution of the East African rift system: Bulletin de la Société Geologique de France, v. 6, p. 891–899.

Barrat, J.A., Fourcade, S., Jahn, B.M., Cheminee, J.L. & Capdevila, R. (1998). Isotope (Sr, Nd, Pb, O) and trace element geochemistry of volcanics from the Erta’ Ale range (Ethiopia). Journal of Volcanology and Geothermal Research, 80, 85-100.

Barisin, I., Leprince, S., Parsons, B., & Wright, T. (2009). Surface displacements in the September 2005 Afar rifting event from satellite image matching: Asymmetric uplift and faulting. Geophysical Research Letters, Volume 36, Issue 7, CiteID L07301

Bastow, I., Stuart, G.W., Kendall, J.-M.& Ebinger, C., (2005). Upper mantle seismic structure in a region of incipient continental breakup: northern Ethiopian rift, Geophys. J. Int., 162, 479–493.

Bastow, I.D., Nyblade, A.A., Stuart, G.W., Rooney, T.O. & Benoit, M.H. (2008) Upper mantle seismic structure beneath the Ethiopian hot spot: Rifting at the edge of the African low-velocity anomaly. Geochemistry, Geophysics, Geosystems, 9, 12, Q12022, doi:10.1029/2008GC002107

Bellahsen, N., Faccenna, C., Funiciello, F., Daniel, J.M.& Jolivet, L., (2003). Why did Arabia separate from Africa? Insights from 3-D laboratory experiments, Earth planet. Sci. Lett., 216, 365–381.

Bendick, B., McClusky, S., Bilham, R., Asfaw, L.& Klempere, S., (2006). Distributed Nubia-Somalia relative motion and dyke intrusion in the Main Ethiopian rift, Geophys. J. Int., 165, 303–310.

Benoit, M.H., Nyblade, A.A., VanDecar, J.C.& Gurrola, H., (2003). Upper mantle P wave velocity structure and transition zone thickness beneath the Arabian Shield, Geophys. Res. Lett., 30(10), 1531.

Benoit, M. H., A. A. Nyblade, T. J. Owens, & G. Stuart. (2006). Mantle transition zone structure and upper mantle S velocity variations beneath Ethiopia: Evidence for a broad, deep-seated thermal anomaly. Geochemistry Geophysics Geosystems 7:11, Q11013

Benoit, M. H., A. A. Nyblade, & M. E. Pasyanos. (2006). Crustal thinning between the Ethiopian and East African plateaus from modeling Rayleigh wave dispersion. Geophysical Research Letters 33:13, L13301

Benoit, M.H., Nyblade, A.A.& VanDecar, J.C., (2006). Upper mantle P wave speed variations beneath Ethiopia and the origin of the Afar Hotspot, Geology, 34, 329–332.

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 Pilger, A., and Rösler, A., eds., Afar between continental and oceanic rifting: Stuttgart, Schweizerbart, p. 89–107.

Berhe, S.M.(1990) Ophiolites in northeast and east Africa: implication for Proterozoic crustal growth, Journal Geological Society London 147, pp. 41–57.

Berhe, S. & Kazmin, V., (1978). Nazret sheet NC37–15: Addis Ababa, Ethiopian Institute of Geological Surveys, scale 1:250 000.

Berhe, S.M., B. Desta, M. Nicoletti and M. Teferra. (1987) Geology, geochronology and geodynamic implications of Cenozoic magmatic province in W and SE Ethiopia, Journal of the Geological Society of London 144, pp. 213–226

Berckhemer, H.et al., (1975). Deep seismic soundings in the Afar region and on the highland of Ethiopia, in Afar Between Continental and Oceanic Rifting, pp. 89–107, eds. Pilger, A.& Rösler, A., Schweizerbart Stuttgart.

Beyene, A. & Abdelsalam, M. (2005). Tectonics of the Afar Depression: A review and synthesis. J.African Earth Sci., 41, 41-59.

Beyth, M., (1991). 'Smooth' and 'rough' propagation of spreading Southern Red Sea–Afar Depression, J. African Earth Sci., 13, 157–171.

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Boccaletti, M., M. Bonini, R. Mazzuoli, B. Abebe, L. Piccardi, & L. Tortorici (1998). Quaternary oblique extensional tectonics in the Ethiopian Rift (Horn of Africa), Tectonophysics, 287, 97– 116.

Boccaletti, M., Mazzuoli, R., Bonini, M., Trua, T., & Abebe, B., (1999). Plio-Quaternary volcanotectonic activity in the northern sector of the Main Ethiopian rift: Relationships with oblique rifting: Journal of African Earth Sciences, 29, p. 679–698.

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Buck, W.R., (2006). The role of magma in the development of the Afro-Afrabian Rift System, in The Afar Volcanic Province within the East African Rift System, eds Yirgu, G., Ebinger, C.J.& Maguire, P.K.H., Geological Society of London, Special Pub. 259, pp. 43-54.

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