Afar Results and Publications
Results and Publications
Melting during late-stage rifting in Afar is hot and deep (PDF file) D.J.Ferguson, J. Maclennan, I.D.Bastow, D.M.Pyle, S.M.Jones, D.Keir, J.D.Blundy, T.Plank and G.Yirgu (2013) Nature, v.499; p.70-73; doi:10.1038/nature12292
Magmatic history of Dabbahu, a composite volcano in the Afar Rift, Ethiopia (PDF file) L.Field, J.Blundy, A.Calvert, and G.Yirgu (2013) GSA Bulletin, v. 125; no. 1/2; p. 128–147; doi: 10.1130/B30560.1
Constraining timescales of focused magmatic accretion and extension in the Afar crust using lava geochronology (PDF file) D.J.Ferguson, A.T.Calvert, D.M.Pyle, J.D.Blundy, G.Yirgu & T.J. Wright (2013) Nature Communications, DOI: 10.1038/ncomms2410
Dike-fault interaction during the 2004 Dallol intrusion at the northern edge of the Erta Ale Ridge (Afar, Ethiopia) (PDF file) A.Nobile, C.Pagli, D.Keir, T.J.Wright, A.Ayele, J.Ruch & V.Acocella (2012) Geophysical Research Letters, vol. 39, L19305, doi:10.1029/2012GL053152
Source mechanisms of dike-induced earthquakes in the Dabbahu-Manda Hararo rift segment in Afar, Ethiopia: implications for faulting above dikes (PDF file) M.Belachew C.Ebinger & D.Cote (2012) Geophys. J. Int. (2013) 192, 907–917 doi: 10.1093/gji/ggs076
Integrated field, satellite and petrological observations of the November 2010 eruption of Erta Ale (PDF file) L.Field, T.Barnie, J.Blundy, R.A.Brooker, D.Keir, E.Lewi & K.Saunders (2012) Bull Volcanol (2012) 74:2251–2271 DOI 10.1007/s00445-012-0660-7
Volcanism in the Afar Rift sustained by decompression melting with minimal plume influence (PDF file) C.A.Rychert, J.O.S.Hammond, N.Harmon, J.M.Kendall, D.Keir, C.Ebinger, I.D.Bastow, A.Ayele, M.Belachew and G.Stuart (2012) Nature Geoscience DOI: 10.1038/NGEO1455
Non-technical summary
Shallow axial magma chamber at the slow-spreading Erta Ale Ridge (PDF file) C.Pagli, T.J.Wright, C.Ebinger, S.H.Yun, J.Cann, T.Barnie and A.Ayele (2012) Nature Geoscience DOI: 10.1038/NGEO1414
Non-technical summary
Geophysical constraints on the dynamics of spreading centres from rifting episodes on land (PDF file) T.J.Wright, F.Sigmundsson, C.Pagli, M.Belachew, I.J.Hamling, B.Brandsdóttir, D.Keir, R.Pedersen, A.Ayele, C.Ebinger, P.Einarsson, E.Lewi and E.Calais (2012) Nature Geoscience DOI: 10.1038/NGEO1428
Non-technical summary
Magma storage conditions beneath Dabbahu Volcano (Ethiopia) constrained by petrology, seismicity and satellite geodesy (PDF file) L. Field & J. Blundy & R. A. Brooker & T. Wright & G. Yirgu (2012) Bulletin of Volcanology DOI 10.1007/s00445-012-0580-6
Non-technical summary
Surface wave tomography across Afar, Ethiopia: Crustal structure at a rift triple-junction zone (PDF file) M. Guidarelli, G. Stuart, J. O. S. Hammond, J. M. Kendall, A. Ayele and M. Belachew (2011) Geophysical Research Letters, Vol. 38, L24313, doi:10.1029/2011GL046840
Non-technical summary
Comparison of dike intrusions in an incipient seafloor‐spreading segment in Afar, Ethiopia: Seismicity perspectives (PDF file) M.Belachew, C.Ebinger, D.Cote, D.Keir, J.V.Rowland, J.O.S.Hammond & A.Ayele (2011) J.G.R. vol. 116, B06405, doi:10.1029/2010JB007908
The nature of the crust beneath the Afar triple junction: Evidence from receiver functions (PDF file) J.O.S.Hammond, J.M.Kendall, G.W.Stuart, D.Keir, C.Ebinger, A.Ayele and M.Belachew (2011) Geochemistry, Geophysics, Geosystems, vol.12, no. 12, DOI:10.1029/2011GC003738
Non-technical summary
Mapping the evolving strain field during continental breakup from crustal anisotropy in the Afar depression (PDF file) D.Keir, M.Belachew, C.Ebinger, J-M.Kendall, J.Hammond, G.Stuart, A.Ayele and J.Rowland (2011) Nature Communications DOI: 10.1038/ncomms1287
Non-technical summary
The magma-assisted removal of Arabia in Afar: Evidence from dike injection in the Ethiopian rift captured using INSAR and seismicity (PDF file) D.Keir, C.Pagli, I.Bastow and A.Ayele (2011) Tectonics, vol.30, DOI:10.1029/2010TC002785
Non-technical summary
Stress transfer between thirteen successive dyke intrusions in Ethiopia (PDF file) I.Hamling, T.Wright, E.Calais, L.Bennati and E.Lewi (2010) Nature Geoscience Letters doi.10.1038/NGEO967
Non-technical summary
Interpreting spatial variations in anisotropy: insights into the Main Ethiopian Rift from SKS waveform modelling (PDF file) J.Hammond, M.Kendall, D.Angus and J.Wookey (2010) Geophys.J.Int. doi:10.1111/j.1365-246X.2010.04587.x
Non-technical summary
Length and timescales of rift faulting and magma instrusion: The Afar rifting cycle from 2005 to present (PDF file) C.Ebinger, A.Ayele, D.Keir, J.Rowland, G.Yirgu, T.Wright, M.Belachew and I.Hamling (2010) Annual Review of Earth and planetary Sciences 38:437-64 doi:10.1146/annurev-earth-040809-152333
Non-technical summary
Insights into extensional processes during magma assisted rifting: Evidence from aligned scoria cones (PDF file) T.Rooney, I. Bastow and D.Keir (2010) J. Volcanol. Geotherm. Res. (2010), doi:10.1016/j.jvolgeores.2010.07.019
Non-technical summary
Formation and stability of magmatic segments in the Main Ethiopian and Afar Rifts(PDF file) E.Beutel, J.van Wijk, C.Ebinger, D.Keir and A.Agostini (2010) Earth and Planetary Science Letters, 298, 225-235.
Non-technical summary
Recent rift-related volcanism in Afar, Ethiopia (PDF file) D.J. Ferguson, T.D. Barnie, D.M. Pyle, C. Oppenheimer, G. Yirgu, E. Lewi, T. Kidane, S. Carn, I.J. Hamling (2010) Earth and Planetary Science Letters, doi:10.1016/j.epsl.2010.02.010
Non-technical summary
Post rifting relaxation in the Afar Region, Ethiopia (PDF file) S.L. Nooner, L. Bennati, E. Calais, W.R. Buck, I.J. Hamling, T.J. Wright & E. Lewi (2009) Geophysical Research Letters, vol 36, L21308, doi:10.1029/2009GL040502.
Non-technical summary
Imaging detailed crustal structure and magmatic intrusion
across the Ethiopian Rift using a dense linear broadband
array (PDF file) D.G. Cornwell, P.K.H. Maguire, R.W. England & G.W. Stuart (2010) Geochem. Geophys. Geosyst., 11, Q0AB03, doi:10.1029/2009 GC002637.
Non-technical summary
Geodetic
observations of the ongoing Dabbahu rifting episode: new dyke intrusions
in 2006 and 2007 (PDF file) I. Hamling, A. Ayele, L. Bennati,
E. Calais, C.J. Ebinger, D. Keir, E. Lewi, T.J. Wright & G.Yirgu (2009)
Geophysical Journal International, 10.1111/j.1365-246X.2009.04163.x
Non-technical summary
September
2005 mega-dike emplacement in the Manda-Harraro nascent oceanic rift (Afar
depression) (PDF file) A. Ayele, D. Keir, C. Ebinger, T.J.
Wright, G.W. Stuart, W.R. Buck, E. Jacques, G. Ogubazghi & J. Sholan,
(2009). Geophysical Research Letters, vol. 36, L20306, doi:10.1029/2009GL039605,
2009
Non-technical summary
Paleomagnetism of the Fentale-magmatic segment, main Ethiopian Rift: New evidence for counterclockwise block rotation linked to transtensional deformation (PDF file) T. Kidane, Y-I. Otofuji, Y. Komatsu, H. Shibasaki, J. Rowland,
(2009). Physics of the Earth and Planetary Interiors 176 109–123.
Non-technical summary
Lower crustal earthquakes near the Ethiopian rift induced by magmatic processes (PDF file) D. Keir, I.D. Bastow, K.A. Whaler, E. Daly, D.G. Cornwall and S. Hautot, (2009). Geochemistry, Geophysics, Geosystems, 10, Q0AB02, doi:10.1029/2009GC002382
Non-technical summary
Evidence for focused magmatic accretion at segment centers from lateral dike injections captured beneath the Red Sea rift in Afar (PDF file) D. Keir, I.J. Hamling, A. Ayele, E. Calais, C.J. Ebinger, T.J. Wright, E. Jacques, K. Mohamed, J.O.S. Hammond, M. Belachew, E. Baker, J.V. Rowland, E. Lewi, L. Bennati. Geology 2009;37;59-62. doi:10.1130/G25147A.1 Non-technical summary
Surface displacements in the September 2005 Afar rifting event from satellite image matching: Asymmetric uplift and faulting (PDF file) I. Barisin, S. Leprince, B. Parsons & T.J. Wright. (2009). Geophysical Research Letters, Volume 36, Issue 7, CiteID L07301
Upper mantle seismic structure beneath the Ethiopian hot spot: Rifting at the edge of the African low-velocity anomaly (PDF file) I.D. Bastow, A.A. Nyblade, G.W. Stuart, T.O. Rooney & M.H. Benoit, (2008). Geochemistry, Geophysics, Geosystems, 9, 12, Q12022, doi:10.1029/2008GC002107
Capturing magma intrusion and faulting processes during continental rupture: seismicity of the Dabbahu (Afar) rift (PDF file) C.J. Ebinger, D. Keir, A. Ayele, E. Calais, T.J. Wright, M. Belachew, J.O.S. Hammond, E. Campbell and W. R. Buck (2008) Geophysical Journal International doi: 10.1111/j.1365-246X.2008.03877.x
Watching from Afar (PDF file). D. Keir (2008). Planet Earth (Autumn 2008) NERC. 16-17
Fault growth at a nascent slow-spreading ridge: 2005 Dabbahu rifting episode, Afar (PDF file). J.V. Rowland, E. Baker, D. Keir, T. Kidane, J. Biggs, N. Hayward, T.J. Wright & C. Ebinger, (2007). Geophysical Journal International, 171, pp.1226-1246. doi:doi:10.1111/j.1365-246X.2007.03584.x
Magma-maintained rift segmentation at continental rupture in the 2005 Afar dyking episode (PDF file). T.J. Wright, C. Ebinger, J. Biggs, A. Ayele, G. Yirgu, D. Keir & A. Stork, (2006) , Nature, 442, 291-294, 2006.