Mantle plume and lithosphere contributions to basalts from southern Ethiopia

Earth and Planetary Science Letters - Tập 139 - Trang 195-211 - 1996
Kathy Stewart1, Nick Rogers1
1Department of Earth Sciences, The Open University, Milton Keynes, MK7 6AA, UK

Tài liệu tham khảo

McKenzie, 1988, The volume and composition of melt generated by extension of the lithosphere, J. Petrol., 29, 625, 10.1093/petrology/29.3.625 Gallagher, 1992, Dehydration melting and the generation of continental flood basalts, Nature, 358, 57, 10.1038/358057a0 Leeman, 1993, A binary source model for extension-related magmatism in the Great Basin, western North America, Science, 262, 1550, 10.1126/science.262.5139.1550 White, 1989, Magmatism at rift zones: the generation of volcanic continental margins and flood basalts, J. Geophys. Res., 94, 7685, 10.1029/JB094iB06p07685 Coffin, 1992, Volcanism and continental break-up: a global compilation of large igneous provinces, Geol. Soc. London Spec. Publ., 68, 17, 10.1144/GSL.SP.1992.068.01.02 Ebinger, 1989, Tectonic development of the western branch of the East African rift system, Geol. Soc. Am. Bull., 101, 885, 10.1130/0016-7606(1989)101<0885:TDOTWB>2.3.CO;2 Gibson, 1992, Asthenosphere-derived magmatism in the Rio Grande rift, western USA: implications for continental break-up, Geol. Soc. London Spec. Publ., 68, 61, 10.1144/GSL.SP.1992.068.01.05 Ebinger, 1993, Late Eocene-recent volcanism and faulting in the southern main Ethiopian rift, J. Geol. Soc. London, 150, 99, 10.1144/gsjgs.150.1.0099 Mohr, 1983, Ethiopian flood basalt province, Nature, 303, 577, 10.1038/303577a0 Mohr, 1988, The Ethiopian flood basalt province, 63 Omar, 1995, Fission track evidence on the initial rifting of the Red Sea: two pulses, no propagation, Science, 270, 1341, 10.1126/science.270.5240.1341 Ebinger, 1989, Effective elastic plate thickness beneath the East African and Afar Plateaus and dynamic compensation of the uplifts, J. Geophys. Res., 94, 2883, 10.1029/JB094iB03p02883 Bosworth, 1992, Mesozoic and early Tertiary rift tectonics in East Africa, Tectonophysics, 209, 115, 10.1016/0040-1951(92)90014-W Shackleton, 1986, Precambrian collision tectonics in Africa, Geol. Soc. London Spec. Publ., 19, 329, 10.1144/GSL.SP.1986.019.01.19 Davidson, 1983, The Omo River Project: Reconnaissance geology and geochemistry in parts of Ilubabor, Kefa, Gemu Gofa and Sidamo, Ethiopia, Ethiopian Inst. Geol. Surv. Bull. 2 Hendrie, 1994, Cenezoic Extension in northern Kenya: A qualitative model of rift basin development in the Turkana region, Tectonophysics, 236, 409, 10.1016/0040-1951(94)90187-2 Ebinger, 1993, Volcanism and extension between the Main Ethiopian and Gregory rifts, 301 B. Zanettin, E. Justin-Visentin, M. Nicoletti and C. Petrucciani, The evolution of the Chencha escarpment and the ganjuli graben (Lake Abaya) in the southern Ethiopian Rift, Neues Jahrb. Geol. Paläontol. Monatsh. 8, 473–490. Potts, 1985, High precision instrumental neutron activation analysis of geological samples employing simultaneous counting with both planar and coaxial detectors, Chem. Geol., 48, 145, 10.1016/0009-2541(85)90042-7 Hart, 1989, Basaltic volcanism in Ethiopia: Constraints on continental rifting and mantle interactions, J. Geophys. Res., 94, 7731, 10.1029/JB094iB06p07731 Vidal, 1991, Changes of mantle sources in the course of a rift evolution: the Afar case, Geophys. Res. Lett., 18, 1913, 10.1029/91GL02006 Rogers, 1993, The geochemistry of basalts from volcanic islands of the southern Red Sea, Geol. Soc. London Spec. Publ., 76, 455, 10.1144/GSL.SP.1993.076.01.24 Stein, 1992, Fossil plume head beneath the Arabian lithosphere?, Earth Planet. Sci. Lett., 114, 193, 10.1016/0012-821X(92)90161-N Deniel, 1994, Temporal evolution of mantle sources during continental rifting: The volcanism of Djibouti (Afar), J. Geophys. Res., 99, 2853, 10.1029/93JB02576 Farmer, 1992, Magmas as tracers of lower crustal composition: an isotopic approach, 363 Rudnick, 1990, The Pb isotopic compositions of lower crustal xenoliths and the evolution of lower crustal Pb, Earth Planet. Sci. Lett., 98, 192, 10.1016/0012-821X(90)90059-7 Carlson, 1988, Flood basalts volcanism in the northwestern United States, 35 Fraser, 1985, Sr, Nd and Pb isotope and minor element geochemistry of lamproites and kimberlites, Earth Planet. Sci. Lett., 76, 57, 10.1016/0012-821X(85)90148-7 Taylor, 1985 Hawkesworth, 1994, Partial melting in the lower crust: new constraints on contamination processes in the Central Andes, 93 McKenzie, 1991, Partial melt distributions from inversion of rare earth element concentrations, J. Petrol., 32, 1021, 10.1093/petrology/32.5.1021 Ellam, 1991, An interpretation of Karoo picrite basalts in terms of interaction between asthenospheric magmas and the mantle lithosphere, Earth Planet. Sci. Lett., 105, 330, 10.1016/0012-821X(91)90141-4 White, 1995, mantle plumes and flood basalts, J. Geophys. Res., 100, 17543, 10.1029/95JB01585 Sun, 1989, Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes, Geol. Soc. London Spec. Publ., 42, 313, 10.1144/GSL.SP.1989.042.01.19 Monnereau, 1993, Mechanical erosion and reheating of the lithosphere: A numerical model for hotspot swells, J. Geophys. Res, 98, 809, 10.1029/92JB01677 Davies, 1994, Thermomechanical erosion of the lithosphere by mantle plumes, J. Geophys. Res., 99, 15709, 10.1029/94JB00119 Briden, 1974, Plate movement and continental magmatism, Nature, 248, 650, 10.1038/248650a0 Watson, 1991, Melt generation by plumes: a study of Hawaiian volcanism, J. Petrol., 32, 501, 10.1093/petrology/32.3.501 Hawkesworth, 1993, Mantle hotspots, plumes and regional tectonics as causes of intraplate magmatism, Terra Nova, 5, 552, 10.1111/j.1365-3121.1993.tb00304.x Berhe, 1987, Geology, geochronology and geodynamic implications of the Cenozoic magmatic province in W and SE Ethiopia, J. Geol. Soc. London, 144, 213, 10.1144/gsjgs.144.2.0213 Cox, 1993, Continental magmatic underplating, Philos. Trans. R. Soc. London A, 342, 155, 10.1098/rsta.1993.0011 White, 1993, Melt production rates in mantle plumes, Philos. Trans. R. Soc. London A, 342, 137, 10.1098/rsta.1993.0010 Schilling, 1992, NdSrPb isotopic variations along the Gulf of Aden: Evidence for Afar mantle plume-continental lithosphere interaction, J. Geophys. Res., 97, 10927, 10.1029/92JB00415 Eissen, 1989, Petrology and geochemistry of basalts from the Red Sea axial rift at 18°N, J. Petrol., 30, 791, 10.1093/petrology/30.4.791