Holocene opening directions along the axes of the Red Sea (Afar) and Main Ethiopian Rifts: An overview

Special Paper of the Geological Society of America

Volumn 478, Issue , 2011, Pages 25-35

  Acocella, V ^a   Abebe, B ^b   Korme, T ^c  

^a ROMA TRE UNIVERSITY   (Italy)

^b ADDIS ABABA UNIVERSITY   (Ethiopia)

^c Regional Centre for Mapping of Resources for Development   (Kenya)

Author keywords

[No Author keywords available]

Indexed keywords

CURRENT PLATE MOTIONS; DEPTH DEPENDENTS; MAIN ETHIOPIAN RIFT; RIFTING PROCESS; STRAIN PARTITIONING; STRIKE-SLIP COMPONENT; TRIPLE JUNCTION; VARIABLE ORIENTATION;

STRUCTURAL GEOLOGY;

EXTENSIONAL TECTONICS; HOLOCENE; KINEMATICS; PLATE CONVERGENCE; PLATE MOTION; PLATE TECTONICS; RIFTING; STRIKE-SLIP FAULT; TRIPLE JUNCTION;

AFAR; EAST AFRICAN RIFT; ETHIOPIAN RIFT; INDIAN OCEAN; RED SEA [INDIAN OCEAN];

EID: 80051906029     PISSN: 00721077     EISSN: None     Source Type: Book Series    
DOI: 10.1130/2011.2478(02)     Document Type: Article

References (68)

1. Abbate, E., Passerini, P., and Zan, L., 1995, Strike-slip faults in a rift area: A transect in the Afar Triangle, East Africa: Tectonophysics, v. 241, p. 67-97, doi:10.1016/0040-1951(94)00136-W.
2. Acocella, V., 2006, Regional and local tectonics at Erta Ale caldera, Afar (Ethiopia): Journal of Structural Geology, v. 28, p. 1808-1820, doi:10.1016/j.jsg.2006.06.014. (Pubitemid 44430803)
3. Acocella, V., and Korme, T., 2002, Holocene extension direction along the Main Ethiopian Rift, East Africa: Terra Nova, v. 14, p. 191-197, doi:10.1046/j.1365-3121.2002.00403.x. (Pubitemid 34690033)
4. Acocella, V., Gudmundsson, A., and Funiciello, R., 2000, Interaction and linkage of extensional fractures: Examples from the rift zone of Iceland: Journal of Structural Geology, v. 22, p. 1233-1246, doi:10.1016/S0191-8141(00) 00031-6. (Pubitemid 30655056)
5. Acocella, V., Korme, T., and Salvini, F., 2003, Formation of normal faults along the axial zone of the Ethiopian Rift: Journal of Structural Geology, v. 25, p. 503-513, doi:10.1016/S0191-8141(02)00047-0. (Pubitemid 36017486)
6. Acocella, V., Abebe, B., Korme, T., and Barberi, F., 2008, Structure of Tendaho graben and Manda Hararo Rift: Implications for the evolution of the Red Sea propagator in central Afar: Tectonics, v. 27, TC4016, doi:10.1029/ 2007TC002236.
7. Almond, D.C., 1986, Geological evolution of the Afro-Arabian dome: Tectonophysics, v. 131, p. 301-332, doi:10.1016/0040-1951(86)90180-0.
8. 39 Ar ages in the Ali Sabieh area (Republic of Djibouti and Ethiopia): Constraints on the mechanism of Aden ridge propagation into southeastern Afar during the last 10 Myr: Geophysical Journal International, v. 158, p. 327-345, doi:10.1111/j.1365-246X. 2004.02286.x. (Pubitemid 39047835)
9. 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: Journal of African Earth Sciences, v. 31, p. 359-367, doi:10.1016/S0899-5362(00)00093-2. (Pubitemid 32062795)
10. Ayele, A., Jacques, E., Kassim, M., Kidane, T., Omar, A., Tait, S., Nercessian, A., de Chabalier, J.B., and King, G., 2007, The volcano-seismic crisis in Afar, Ethiopia, starting December 2005: Earth and Planetary Science Letters, v. 255, p. 177-187, doi:10.1016/j.epsl.2006.12.014.
11. Barberi, F., and Varet, J., 1970, The Erta Ale Volcanic Range (Danakil depression, northern Afar, Ethiopia): Bulletin Volcanologique, v. 34, p. 848-917, doi:10.1007/BF02596805.
12. Benoit, M.H., Nyblade, A.A., and VanDecar, J.C., 2006, Upper mantle P-wave speed variations beneath Ethiopia and the origin of the Afar hotspot: Geology, v. 34, p. 329-332, doi:10.1130/G22281.1.
13. Bilham, R., Bendick, R., Larson, K., Mohr, P., Braun, J., Tesfaye, S., and Asfaw, L., 1999, Secular and tidal strain across the Main Ethiopian Rift: Geophysical Research Letters, v. 26, p. 2789-2792, doi:10.1029/1998GL005315. (Pubitemid 30134981)
14. Boccaletti, M., Bonini, M., Mazzuoli, R., Abebe, B., Piccardi, L., and Tortorici, L., 1998, Quaternary oblique extensional tectonics in the Ethiopian Rift (Horn of Africa): Tectonophysics, v. 287, p. 97-116, doi:10.1016/S0040- 1951(98)80063-2.
15. Bonini, M., Souriot, T., Boccaletti, M., and Brun, J.P., 1997, Successive orthogonal and oblique extension episodes in a rift zone: Laboratory experiments with application to the Ethiopian Rift: Tectonics, v. 16, p. 347-362, doi:10.1029/96TC03935.
16. Bosworth, W., Huchon, P., and McClay, K., 2005, The Red Sea and Gulf of Aden basins: Journal of African Earth Sciences, v. 43, p. 334-378, doi:10.1016/j.jafrearsci.2005.07.020. (Pubitemid 43032942)
17. Buck, W.R., 2006, The role of magma in the development of the Afro-Arabian rift system, in Yirgu, G., Ebinger, C.J., and Maguire, P.K.H., eds., The Afar Volcanic Province within the East African Rift System: Geological Society of London Special Publication 259, p. 43-54. (Pubitemid 44018227)
18. Calais, E., Ebinger, C., Hartnady, C., and Nocquet, J.M., 2006, Kinematics of the East African Rift from GPS and earthquake slip vector data, in Yirgu, G., Ebinger, C.J., and Maguire, P.K.H., eds., The Afar Volcanic Province within the East African Rift System: Geological Society of London Special Publication 259, p. 9-22. (Pubitemid 44018226)
19. Casey, M., Ebinger, C., Keir, D., Gloaguen, R., and Mohamed, F., 2006, Strain accommodation in transitional rifts: Extension by magma intrusion and faulting in Ethiopian rift magmatic segments, in Yirgu, G., Ebinger, C.J., and Maguire, P.K.H., eds., The Afar Volcanic Province within the East African Rift System: Geological Society of London Special Publication 259, p. 143-163. (Pubitemid 44018235)
20. Cattin, R., Doubre, C., de Chabalier, J.B., King, G., Vigny, C., Avouac, J.P., and Ruegg, J.C., 2005, Numerical modeling of Quaternary deformation and post-rifting displacement in the Asal-Ghoubbet rift (Djibouti, Africa): Earth and Planetary Science Letters, v. 239, p. 352-367, doi:10.1016/j.epsl.2005.07. 028. (Pubitemid 41614290)
21. Chernet, T., Hart, W., Aronson, J.L., and Walter, R.C., 1998, New age constraints on the timing of volcanism and tectonism in the northern Main Ethiopian Rift-southern Afar transition zone (Ethiopia): Journal of Volcanology and Geothermal Research, v. 80, p. 267-280, doi:10.1016/S0377-0273(97)00035-8. (Pubitemid 28415877)
22. Chorowicz, J., Collet, B., Bonavia, F.F., and Korme, T., 1994, Northwest to north-northwest extension direction in the Ethiopian Rift deduced from the orientation of extension structures and fault-slip analysis: Geological Society of America Bulletin, v. 106, p. 1560-1570, doi:10.1130/0016-7606(1994)1052.3. CO;2.
23. Chu, D., and Gordon, R.G., 1999, Evidence for motion between Nubia and Somalia along the Southwest Indian Ridge: Nature, v. 398, p. 64-67, doi:10.1038/18014. (Pubitemid 29124467)
24. Collet, B., Parrot, J.F., and Taud, H., 2000, Orientation of absolute African plate motion revealed by tomomorphometric analysis of the Ethiopian dome: Geology, v. 28, p. 1147-1149, doi:10.1130/0091-7613 (2000)282.0.CO;2. (Pubitemid 32876398)
25. Corti, G., 2008, Control of rift obliquity on the evolution and segmentation of the main Ethiopian rift: Nature Geoscience, v. 1, p. 258-262, doi:10.1038/ngeo160.
26. D'Acremont, E., Leroy, S., Beslier, M.O., Bellahsen, N., Fournier, M., Robin, C., Maia, M., and Gente, P., 2005, Structure and evolution of the eastern Gulf of Aden conjugate margins from seismic refl ection data: Geophysical Journal International, v. 160, p. 869-890, doi:10.1111/j.1365-246X.2005.02524.x. (Pubitemid 40435969)
27. Dauteuil, O., and Brun, J., 1993, Oblique rifting in a slow-spreading ridge: Nature, v. 361, p. 145-148, doi:10.1038/361145a0. (Pubitemid 23388529)
28. Dauteuil, O., Huchon, P., Quemeneur, F., and Souriot, T., 2001, Propagation of an oblique spreading centre: The western Gulf of Aden: Tectonophysics, v. 332, p. 423-442, doi:10.1016/S0040-1951(00)00295-X. (Pubitemid 32473671)
29. Davidson, A., and Rex, D.C., 1980, Age of volcanism and rifting in southwestern Ethiopia: Nature, v. 283, p. 657-658, doi:10.1038/283657a0. (Pubitemid 10252678)
30. Eagles, G., Gloaguen, R., and Ebinger, C., 2002, Kinematics of the Danakil microplate: Earth and Planetary Science Letters, v. 203, p. 607-620, doi:10.1016/S0012-821X(02)00916-0. (Pubitemid 35161965)
31. Ebinger, C.J., and Casey, M., 2001, Continental breakup in magmatic provinces: An Ethiopian example: Geology, v. 29, p. 527-530, doi:10.1130/0091-7613(2001)0292.0.CO;2. (Pubitemid 35295144)
32. Ebinger, C.J., and Hayward, N.J., 1996, Soft plates and hot spots: Views from Afar: Journal of Geophysical Research, v. 101, p. 21, 859-21, 876, doi:10.1029/96JB02118.
33. Ebinger, C.J., Bechtel, T.D., Forsyth, D.W., and Bowin, C.O., 1989, Effective elastic plate thickness beneath the East African and Afar plateaus and dynamic compensation of the uplifts: Journal of Geophysical Research, v. 94, p. 2883-2901, doi:10.1029/JB094iB03p02883.
34. Ebinger, C.J., Keir, D., Ayele, A., Calais, E., Wright, T.J., Belachew, M., Hammond, J.O.S., Campbell, E., and Buck, W.R., 2008, Capturing magma intrusion and faulting processes during continental rupture: Seismicity of the Dabbahu (Afar) rift: Geophysical Journal International, v. 174, p. 1138-1152, doi:10.1111/j.1365-246X.2008.03877.x.
35. Gibson, I., 1969, The structure and volcanic geology of an axial portion of the Main Ethiopian Rift: Tectonophysics, v. 8, p. 561-565, doi:10.1016/0040-1951(69)90054-7.
36. Gudmundsson, A., 1987, Geometry, formation and development of tectonic fractures on the Reykjanes Peninsula, southwest Iceland: Tectonophysics, v. 139, p. 295-308, doi:10.1016/0040-1951(87)90103-X.
37. Gudmundsson, A., 1992, Formation and growth of normal faults at the divergent plate boundary in Iceland: Terra Nova, v. 4, p. 464-471, doi:10.1111/j.1365-3121.1992.tb00582.x. (Pubitemid 23385683)
38. Gudmundsson, A., 1995, Infrastructure and mechanics of volcanic systems in Iceland: Journal of Volcanology and Geothermal Research, v. 64, p. 1-22, doi:10.1016/0377-0273(95)92782-Q.
39. Gudmundsson, A., 1998, Magma chambers modeled as cavities explain the formation of rift zone central volcanoes and their eruption and intrusion statistics: Journal of Geophysical Research, v. 103, p. 7401-7412, doi:10.1029/97JB03747. (Pubitemid 28431295)
40. Hayward, N.J., and Ebinger, C.J., 1996, Variation in the along-axis segmentation of the Afar Rift system: Tectonics, v. 15, p. 244-257, doi:10.1029/95TC02292. (Pubitemid 26480355)
41. Jestin, F., Huchon, P., and Gaulier, J.M., 1994, The Somalia plate and the East African Rift system: Present-day kinematics: Geophysical Journal International, v. 116, p. 637-654, doi:10.1111/j.1365-246X.1994.tb03286.x. (Pubitemid 24425183)
42. Keir, D., Ebinger, C.J., Stuart, G.W., Daly, E., and Ayele, A., 2006, Strain accommodation by magmatism and faulting as rifting proceeds to breakup: Seismicity of the northern Ethiopian Rift: Journal of Geophysical Research, v. 111, B05314, doi:10.1029/2005JB003748.
43. Kendall, J.M., Stuart, G.W., Ebinger, C.J., Bastow, I.D., and Keir, D., 2005, Magma-assisted rifting in Ethiopia: Nature, v. 433, p. 146-148, doi:10.1038/nature03161.
44. Korme, T., Chorowicz, J., Collet, B., and Bonavia, F.F., 1997, Volcanic vents rooted on extension fractures and their geodynamic implications in the Ethiopian Rift: Journal of Volcanology and Geothermal Research, v. 79, p. 205-222, doi:10.1016/S0377-0273(97)00034-6. (Pubitemid 127434180)
45. Latin, D., and White, N., 1990, Generating melt during lithospheric extension: Pure shear vs. simple shear: Geology, v. 18, p. 327-331.
46. Le Pichon, X., and Francheteau, J., 1978, A plate-tectonic analysis of the Red Sea-Gulf of Aden area: Tectonophysics, v. 46, p. 369-406, doi:10.1016/0040-1951(78)90214-7. (Pubitemid 8599964)
47. Manighetti, I., Tapponnier, P., Courtillot, V., Gruszow, S., and Gillot, P.Y., 1997, Propagation of rifting along the Arabia-Somalia plate boundary: The Gulfs of Aden and Tadjoura: Journal of Geophysical Research, v. 102, p. 2681-2710, doi:10.1029/96JB01185.
48. Manighetti, I., Tapponnier, P., Gillot, P.Y., Jacques, E., Courtillot, V., Armijo, R., Ruegg, J.C., and King, G., 1998, Propagation of rifting along the Arabia-Somalia plate boundary: Into Afar: Journal of Geophysical Research, v. 103, p. 4947-4974, doi:10.1029/97JB02758. (Pubitemid 128562924)
49. Manighetti, I., Tapponnier, P., Courtillot, V., Gallet, Y., Jacques, E., and Gillot, P.Y., 2001, Strain transfer between disconnected, propagating rifts in Afar: Journal of Geophysical Research, v. 106, p. 13, 613-13, 665, doi:10.1029/2000JB900454.
50. McClay, K.R., and White, M.J., 1995, Analogue modelling of orthogonal and oblique rifting: Marine and Petroleum Geology, v. 12, p. 137-151, doi:10.1016/0264-8172(95)92835-K.
51. McKenzie, D.P., Davies, D., and Molnar, P., 1970, Plate tectonics of the Red Sea and East Africa: Nature, v. 226, p. 243-248, doi:10.1038/226243a0.
52. Mohr, P., 1967, Major volcano-tectonic lineament in the Ethiopian Rift system: Nature, v. 213, p. 664-665, doi:10.1038/213664a0.
53. Mohr, P., 1987, Patterns of faulting in the Ethiopian Rift Valley: Tectonophysics, v. 143, p. 169-179, doi:10.1016/0040-1951(87)90086-2.
54. Mouslopoulou, V., Nicol, A., Little, T.A., and Walsh, J.J., 2007, Displacement transfer between intersecting regional strike-slip and extensional fault systems: Journal of Structural Geology, v. 29, p. 100-116, doi:10.1016/j.jsg.2006.08.002. (Pubitemid 44804114)
55. Needham, H.D., Choukroune, P., Cheminee, J.L., Le Pichon, X., Francheteau, J., and Tapponnier, P., 1976, The accreting plate boundary: Ardoukoba rift (northeast Africa) and the oceanic rift valley: Earth and Planetary Science Letters, v. 28, p. 439-453, doi:10.1016/0012-821X(76)90205-3.
56. Pan, M., Sjoberg, L.E., Asfaw, L.M., Asenjo, E., Alemu, A., and Hunegnaw, A., 2002, An analysis of the Ethiopian Rift Valley GPS campaigns in 1994 and 1999: Journal of Geodynamics, v. 33, p. 333-343, doi:10.1016/S0264-3707(01) 00076-X. (Pubitemid 34463870)
57. Pizzi, A., Coltorti, M., Abebe, B., Disperati, L., Sacchi, G., and Salvini, R., 2006, The Wonji fault belt (Main Ethiopian Rift): Structural and geomorphological constraints and GPS monitoring, in Yirgu, G., Ebinger, C.J., and Maguire, P.K.H., eds., The Afar Volcanic Province within the East African Rift System: Geological Society of London Special Publication 259, p. 191-207. (Pubitemid 44018238)
58. Sigmundsson, F., 2006, Magma does the splits: Nature, v. 442, p. 251-252, doi:10.1038/442251a. (Pubitemid 44114888)
59. Stein, R.S., Briole, P., Ruegg, J.C., Tapponnier, P., and Gasse, F., 1991, Contemporary Holocene and Quaternary deformation of the Asal Rift, Djibuti: Implications for the mechanics of slow spreading ridges: Journal of Geophysical Research, v. 96, p. 21, 789-21, 806, doi:10.1029/91JB02118.
60. Tapponnier, P., Armijo, R., Manighetti, I., and Courtillot, V., 1990, Bookshelf faulting and horizontal block rotations between overlapping rifts in Southern Afar: Geophysical Research Letters, v. 17, p. 1-4, doi:10.1029/ GL017i001p00001.
61. Taylor, B., Crook, K., and Sinton, J., 1994, Extensional transform zones and oblique spreading centers: Journal of Geophysical Research, v. 99, p. 19, 707-19, 718, doi:10.1029/94JB01662.
62. Tazieff, H., Varet, J., Barberi, F., and Giglia, G., 1972, Tectonic signifi cance of the Afar (or Danakil) depression: Nature, v. 235, p. 144-147.
63. Tuckwell, G.W., Bull, J.M., and Sanderson, D.J., 1998, Numerical models of faulting at oblique spreading centers: Journal of Geophysical Research, v. 103, p. 15, 473-15, 482, doi:10.1029/97JB03673.
64. Vigny, C., de Chabalier, J.B., Ruegg, J.C., Huchon, P., Feigl, K.L., Cattin, R., Asfaw, L., and Kanbari, K., 2007, Twenty-five years of geodetic measurements along the Tadjoura-Asal rift system, Djibuti, East Africa: Journal of Geophysical Research, v. 112, B06410, doi:10.1029/2004JB003230. (Pubitemid 47354864)
65. Williams, F.M., Williams, M.A.J., and Aumento, F., 2004, Tensional fi ssures and crustal extension rates in the northern part of the Main Ethiopian Rift: Journal of African Earth Sciences, v. 38, p. 183-197, doi:10.1016/j. jafrearsci.2003.10.007. (Pubitemid 38242190)
66. Woldegabriel, G., Aronson, J.L., and Walter, R.C., 1990, Geology, geochronology and rift basin development in the central sector of the Main Ethiopian Rift: Geological Society of America Bulletin, v. 102, p. 439-458, doi:10.1130/0016-7606(1990)102<0439:GGARBD>2.3.CO;2.
67. Wolfenden, E., Ebinger, C., Yirgu, G., Deino, A., and Ayalew, D., 2004, Evolution of the northern Main Ethiopian Rift: Birth of a triple junction: Earth and Planetary Science Letters, v. 224, p. 213-228, doi:10.1016/j.epsl.2004.04. 022. (Pubitemid 38964595)
68. Wright, T.J., Ebinger, C., Biggs, J., Ayele, A., Yirgu, G., Keir, D., and Stork, A., 2006, Magma maintained rift segmentation at continental rupture in the 2005 Afar dyking episode: Nature, v. 442, p. 291-294, doi:10.1038/ nature04978. (Pubitemid 44114902)