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Volumn 141, Issue 1-4, 1996, Pages 277-291

Isotope characteristics of the Okenyenya igneous complex, northwestern Namibia: Constraints on the composition of the early Tristan plume and the origin of the EM 1 mantle component

Author keywords

Basalts; Geochemistry; Intrusions; Mantle plumes; Mesozoic; Namibia

Indexed keywords

BASALT; ETENDEKA GROUP; IGNEOUS GEOCHEMISTRY; MANTLE PLUME; MESOZOIC;

EID: 0030472860     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/0012-821x(96)00074-x     Document Type: Article
Times cited : (146)

References (50)
  • 1
    • 0028682615 scopus 로고
    • Promotion of the Etendeka Formation to Group status: A new integrated stratigraphy
    • S.C. Milner, A.R. Duncan, A. Ewart and J.S. Marsh, Promotion of the Etendeka Formation to Group status: a new integrated stratigraphy, Commun. Geol. Surv. Namibia 9, 5-11, 1994.
    • (1994) Commun. Geol. Surv. Namibia , vol.9 , pp. 5-11
    • Milner, S.C.1    Duncan, A.R.2    Ewart, A.3    Marsh, J.S.4
  • 2
    • 0028833620 scopus 로고
    • Age of Mesozoic igneous rocks in northwestern Namibia, and their relationship to continental breakup
    • S.C. Milner, A.P. le Roex and J.M. O'Connor, Age of Mesozoic igneous rocks in northwestern Namibia, and their relationship to continental breakup, J. Geol. Soc. London 152, 97-104, 1995.
    • (1995) J. Geol. Soc. London , vol.152 , pp. 97-104
    • Milner, S.C.1    Le Roex, A.P.2    O'Connor, J.M.3
  • 3
    • 0027067494 scopus 로고
    • The age of Paraná flood volcanism, rifting of Gondwanaland, and the Jurassic-Cretaceous boundary
    • P.R. Renne, M. Ernesto, I.G. Pacca, R.S. Coe, J.M. Glen, M. Prévot and M. Perrin, The age of Paraná flood volcanism, rifting of Gondwanaland, and the Jurassic-Cretaceous boundary, Science 258, 975-979, 1992.
    • (1992) Science , vol.258 , pp. 975-979
    • Renne, P.R.1    Ernesto, M.2    Pacca, I.G.3    Coe, R.S.4    Glen, J.M.5    Prévot, M.6    Perrin, M.7
  • 4
    • 0024875682 scopus 로고
    • Magmatism at rift zones: The generation of volcanic continental margins and flood basalts
    • R. White and D. McKenzie, Magmatism at rift zones: the generation of volcanic continental margins and flood basalts, J. Geophys. Res. 94, 7685-7729, 1989.
    • (1989) J. Geophys. Res. , vol.94 , pp. 7685-7729
    • White, R.1    McKenzie, D.2
  • 5
    • 0027041276 scopus 로고
    • Paraná magmatism and the opening of the South Atlantic
    • Magmatism and the Causes of Continental Break-up, B.C. Storey, T. Alabaster and R.J. Pankhurst, eds.
    • C.J. Hawkesworth, K. Gallagher, S. Kelly, M. Mantovani, D.W. Peate, M. Regelous and N.W. Rogers, Paraná magmatism and the opening of the South Atlantic, in: Magmatism and the Causes of Continental Break-up, B.C. Storey, T. Alabaster and R.J. Pankhurst, eds., Geol. Soc. London Spec. Publ. 68, 221-240, 1992.
    • (1992) Geol. Soc. London Spec. Publ. , vol.68 , pp. 221-240
    • Hawkesworth, C.J.1    Gallagher, K.2    Kelly, S.3    Mantovani, M.4    Peate, D.W.5    Regelous, M.6    Rogers, N.W.7
  • 7
    • 0027839187 scopus 로고
    • Mantle hotspots, plumes and regional tectonics as causes of intraplate magmatism
    • C. Hawkesworth and K. Gallagher, Mantle hotspots, plumes and regional tectonics as causes of intraplate magmatism, Terra Nova 5, 552-559, 1993.
    • (1993) Terra Nova , vol.5 , pp. 552-559
    • Hawkesworth, C.1    Gallagher, K.2
  • 8
    • 0026281742 scopus 로고
    • An interpretation of Karoo picrite basalts in terms of interaction between asthenospheric magmas and the mantle lithosphere
    • R.M. Ellam and K.G. Cox, An interpretation of Karoo picrite basalts in terms of interaction between asthenospheric magmas and the mantle lithosphere, Earth Planet. Sci. Lett. 105, 330-342, 1991.
    • (1991) Earth Planet. Sci. Lett. , vol.105 , pp. 330-342
    • Ellam, R.M.1    Cox, K.G.2
  • 9
    • 0027040239 scopus 로고
    • Consequences of plume-lithosphere interactions
    • Magmatism and the Causes of Continental Break-up, B.C. Storey, T. Alabaster and R.J. Pankhurst, eds.
    • A.D. Saunders, M. Storey, R.W. Kent and M.J. Norry, Consequences of plume-lithosphere interactions, in: Magmatism and the Causes of Continental Break-up, B.C. Storey, T. Alabaster and R.J. Pankhurst, eds., Geol. Soc. London Spec. Publ. 68, 41-60, 1992.
    • (1992) Geol. Soc. London Spec. Publ. , vol.68 , pp. 41-60
    • Saunders, A.D.1    Storey, M.2    Kent, R.W.3    Norry, M.J.4
  • 10
    • 0027040233 scopus 로고
    • Dehydration melting and the generation of continental flood basalts
    • K. Gallagher and C. Hawkesworth, Dehydration melting and the generation of continental flood basalts, Nature 358, 57-59, 1992.
    • (1992) Nature , vol.358 , pp. 57-59
    • Gallagher, K.1    Hawkesworth, C.2
  • 11
    • 0027088679 scopus 로고
    • The lower lithosphere as a source for continental flood basalts: A re-appraisal
    • Magmatism and the Causes of Continental Break-up, B.C. Storey, T. Alabaster and R.J. Pankhurst, eds.
    • M.A. Menzies, The lower lithosphere as a source for continental flood basalts: a re-appraisal, in: Magmatism and the Causes of Continental Break-up, B.C. Storey, T. Alabaster and R.J. Pankhurst, eds., Geol. Soc. London Spec. Publ. 68, 31-39, 1992.
    • (1992) Geol. Soc. London Spec. Publ. , vol.68 , pp. 31-39
    • Menzies, M.A.1
  • 13
    • 0002944766 scopus 로고
    • Constraints on the nature and development of chemical heterogeneities in the mantle
    • W.R. Peltier, ed., Gordon and Breach, New York
    • S. Hart and A. Zindler, Constraints on the nature and development of chemical heterogeneities in the mantle, in: Mantle Convection, W.R. Peltier, ed., pp. 261-387, Gordon and Breach, New York, 1989.
    • (1989) Mantle Convection , pp. 261-387
    • Hart, S.1    Zindler, A.2
  • 14
    • 0025693168 scopus 로고
    • Extreme isotopic variations in Heard Island lavas and the nature of mantle reservoirs
    • J. Barling and S.L. Goldstein, Extreme isotopic variations in Heard Island lavas and the nature of mantle reservoirs, Nature 348, 59-62, 1990.
    • (1990) Nature , vol.348 , pp. 59-62
    • Barling, J.1    Goldstein, S.L.2
  • 15
    • 0027084131 scopus 로고
    • Magmatism and continental rifting during the opening of the South Atlantic Ocean: A consequence of Lower Cretaceous super-plume activity?
    • Magmatism and the Causes of Continental Break-up, B.C. Storey, T. Alabaster and R.J. Pankhurst, eds.
    • M. Wilson, Magmatism and continental rifting during the opening of the South Atlantic Ocean: a consequence of Lower Cretaceous super-plume activity?, in: Magmatism and the Causes of Continental Break-up, B.C. Storey, T. Alabaster and R.J. Pankhurst, eds., Geol. Soc. London Spec. Publ. 68, 241-255, 1992.
    • (1992) Geol. Soc. London Spec. Publ. , vol.68 , pp. 241-255
    • Wilson, M.1
  • 16
    • 49349125445 scopus 로고
    • Comparative uranium-thorium-lead and rubidium-strontium of St. Severin amphoterite: Consequences of early solar system chronology
    • G. Manhes, J.F. Minster, C.J. Allègre, Comparative uranium-thorium-lead and rubidium-strontium of St. Severin amphoterite: consequences of early solar system chronology, Earth Planet. Sci. Lett. 39, 14-24, 1978.
    • (1978) Earth Planet. Sci. Lett. , vol.39 , pp. 14-24
    • Manhes, G.1    Minster, J.F.2    Allègre, C.J.3
  • 17
    • 0001388001 scopus 로고
    • The Pan-African Damara orogen of South West Africa/Namibia
    • R.McG. Miller, The Pan-African Damara orogen of South West Africa/Namibia, Spec. Publ. Geol. Soc. S. Afr. 11, 431-515, 1983.
    • (1983) Spec. Publ. Geol. Soc. S. Afr. , vol.11 , pp. 431-515
    • Miller, R.McG.1
  • 19
    • 0002541558 scopus 로고
    • The geology of the Goboboseb Mountain volcanics and their relationship to the Messum Complex, Namibia
    • S.C. Milner and A. Ewart, The geology of the Goboboseb Mountain volcanics and their relationship to the Messum Complex, Namibia, Commun. Geol. Surv. Namibia 5, 31-40, 1989.
    • (1989) Commun. Geol. Surv. Namibia , vol.5 , pp. 31-40
    • Milner, S.C.1    Ewart, A.2
  • 20
    • 0027388107 scopus 로고
    • Rb-Sr age determinations of rocks from the Okenyenya igneous complex, northwestern Namibia
    • S.C. Milner, A.P. le Roex and R.T. Watkins, Rb-Sr age determinations of rocks from the Okenyenya igneous complex, northwestern Namibia, Geol. Mag. 130, 335-343, 1993.
    • (1993) Geol. Mag. , vol.130 , pp. 335-343
    • Milner, S.C.1    Le Roex, A.P.2    Watkins, R.T.3
  • 21
    • 0028681110 scopus 로고
    • A reinvestigation of the Okenyenya igneous complex: A new geological map, structural interpretation and model of emplacement
    • R.T. Watkins and A.P. le Roex, A reinvestigation of the Okenyenya igneous complex: a new geological map, structural interpretation and model of emplacement, Commun. Geol. Surv. Namibia 9, 13-21, 1994.
    • (1994) Commun. Geol. Surv. Namibia , vol.9 , pp. 13-21
    • Watkins, R.T.1    Le Roex, A.P.2
  • 22
    • 0030439202 scopus 로고    scopus 로고
    • Geochemical evolution of the Okenyenya sub-volcanic ring complex, northwestern Namibia
    • submitted
    • A.P. le Roex and R.T. Watkins, Geochemical evolution of the Okenyenya sub-volcanic ring complex, northwestern Namibia, Geol. Mag. (submitted).
    • Geol. Mag.
    • Le Roex, A.P.1    Watkins, R.T.2
  • 23
    • 0001274330 scopus 로고
    • The role of continental lithosphere in the generation of the Karoo volcanic rocks: Evidence from combined Nd-and Sr-isotope studies
    • C.J. Hawkesworth, J.S. Marsh, A.R. Duncan, A.J. Erlank and M.J. Norry, The role of continental lithosphere in the generation of the Karoo volcanic rocks: Evidence from combined Nd-and Sr-isotope studies, Spec. Publ. Geol. Soc. S. Afr. 13, 341-354, 1984.
    • (1984) Spec. Publ. Geol. Soc. S. Afr. , vol.13 , pp. 341-354
    • Hawkesworth, C.J.1    Marsh, J.S.2    Duncan, A.R.3    Erlank, A.J.4    Norry, M.J.5
  • 26
    • 0019999496 scopus 로고
    • Isotopic composition of lead and strontium in lavas and coarse grained blocks from Ascension Island, South Atlantic
    • C. Harris, J.D. Bell and F.B. Atkins, Isotopic composition of lead and strontium in lavas and coarse grained blocks from Ascension Island, South Atlantic, Earth Planet. Sci. Lett. 60, 79-85, 1982.
    • (1982) Earth Planet. Sci. Lett. , vol.60 , pp. 79-85
    • Harris, C.1    Bell, J.D.2    Atkins, F.B.3
  • 27
    • 0020646559 scopus 로고
    • Pb isotopes in Ascension Island rocks: Oceanic origin for the gabbroic to granitic plutonic xenoliths
    • D. Weis, Pb isotopes in Ascension Island rocks: oceanic origin for the gabbroic to granitic plutonic xenoliths, Earth Planet. Sci. Lett. 62, 273-282, 1983.
    • (1983) Earth Planet. Sci. Lett. , vol.62 , pp. 273-282
    • Weis, D.1
  • 28
    • 0022007582 scopus 로고
    • Geochemistry, mineralogy and magmatic evolution of the basaltic and trachytic lavas from Gough Island, South Atlantic
    • A.P. le Roex, Geochemistry, mineralogy and magmatic evolution of the basaltic and trachytic lavas from Gough Island, South Atlantic, J. Petrol. 26, 149-186, 1985.
    • (1985) J. Petrol. , vol.26 , pp. 149-186
    • Le Roex, A.P.1
  • 29
    • 0025597164 scopus 로고
    • Tristan da Cunha, South Atlantic: Geochemistry and petrogenesis of a basanite-phonolite lava series
    • A.P. le Roex, R.A. Cliff and B.J.I. Adair, Tristan da Cunha, South Atlantic: Geochemistry and petrogenesis of a basanite-phonolite lava series, J. Petrol. 31, 779-812, 1990.
    • (1990) J. Petrol. , vol.31 , pp. 779-812
    • Le Roex, A.P.1    Cliff, R.A.2    Adair, B.J.I.3
  • 30
    • 0021638799 scopus 로고
    • A large-scale isotopic anomaly in the Southern Hemisphere mantle
    • S.R. Hart, A large-scale isotopic anomaly in the Southern Hemisphere mantle, Nature 309, 753-757, 1984.
    • (1984) Nature , vol.309 , pp. 753-757
    • Hart, S.R.1
  • 32
    • 0029526125 scopus 로고
    • The oxygen isotope geochemistry of the Karoo and Etendeka Volcanic Provinces of southern Africa
    • C. Harris, The oxygen isotope geochemistry of the Karoo and Etendeka Volcanic Provinces of southern Africa, S. Afr. J. Geol. 98(2), 126-139, 1995.
    • (1995) S. Afr. J. Geol. , vol.98 , Issue.2 , pp. 126-139
    • Harris, C.1
  • 33
    • 0020234739 scopus 로고
    • Correlated Nd, Sr and Pb isotope variation in Walvis Ridge basalts and implications for the evolution of their mantle source
    • S.H. Richardson, A.J. Erlank, A.R. Duncan and D.L. Reid, Correlated Nd, Sr and Pb isotope variation in Walvis Ridge basalts and implications for the evolution of their mantle source, Earth Planet. Sci. Lett. 59, 327-342, 1982.
    • (1982) Earth Planet. Sci. Lett. , vol.59 , pp. 327-342
    • Richardson, S.H.1    Erlank, A.J.2    Duncan, A.R.3    Reid, D.L.4
  • 35
    • 0027090920 scopus 로고
    • South Atlantic hotspot-plume systems. 1. Distribution in time and space
    • J.M. O'Connor and A.P. le Roex, South Atlantic hotspot-plume systems. 1. Distribution in time and space, Earth Planet. Sci. Lett. 113, 343-364, 1992.
    • (1992) Earth Planet. Sci. Lett. , vol.113 , pp. 343-364
    • O'Connor, J.M.1    Le Roex, A.P.2
  • 36
    • 0022926863 scopus 로고
    • Evidence from the Paraná of south Brazil for a continental contribution to Dupal basalts
    • C.J. Hawkesworth, M.S.M. Mantovani, P.N. Taylor and Z. Palacz, Evidence from the Paraná of south Brazil for a continental contribution to Dupal basalts, Nature 322, 356-359, 1986.
    • (1986) Nature , vol.322 , pp. 356-359
    • Hawkesworth, C.J.1    Mantovani, M.S.M.2    Taylor, P.N.3    Palacz, Z.4
  • 37
    • 0025588563 scopus 로고
    • Constraints on the composition of the continental lithospheric mantle
    • W.F. McDonough, Constraints on the composition of the continental lithospheric mantle, Earth Planet. Sci. Lett. 101, 1-18, 1990.
    • (1990) Earth Planet. Sci. Lett. , vol.101 , pp. 1-18
    • McDonough, W.F.1
  • 38
    • 75649100267 scopus 로고
    • Chemical and isotopic systematics of oceanic basalts: Implications for mantle composition and processes
    • Magmatism in Ocean Basins, A.D. Saunders and M.J. Norry, eds.
    • S.S. Sun and W.M. McDonough, Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes, in: Magmatism in Ocean Basins, A.D. Saunders and M.J. Norry, eds., Geol. Soc. London Spec. Publ. 68, 313-345, 1992.
    • (1992) Geol. Soc. London Spec. Publ. , vol.68 , pp. 313-345
    • Sun, S.S.1    McDonough, W.M.2
  • 39
    • 0021050567 scopus 로고
    • Geochemistry of rare earth elements in basalts from the Walvis Ridge: Implications for its origin and evolution
    • S.E. Humphris and G. Thompson, Geochemistry of rare earth elements in basalts from the Walvis Ridge: implications for its origin and evolution, Earth Planet. Sci. Lett. 66, 223-242, 1983.
    • (1983) Earth Planet. Sci. Lett. , vol.66 , pp. 223-242
    • Humphris, S.E.1    Thompson, G.2
  • 40
    • 0021620773 scopus 로고
    • Major and trace elements and Nd and Sr isotope geochemistry of basalts from the Deep Sea Drilling Project leg 74 Walvis Ridge transect
    • S.H. Richardson, A.J. Erlank, D.L. Reid and A.R. Duncan, Major and trace elements and Nd and Sr isotope geochemistry of basalts from the Deep Sea Drilling Project leg 74 Walvis Ridge transect, Init. Rept. DSDP 74, 739-754, 1984.
    • (1984) Init. Rept. DSDP , vol.74 , pp. 739-754
    • Richardson, S.H.1    Erlank, A.J.2    Reid, D.L.3    Duncan, A.R.4
  • 41
    • 0026014382 scopus 로고
    • Madagascar basalts: Tracking oceanic and continental sources
    • J.J. Mahoney, C. Nicollet and C. Dupuy, Madagascar basalts: tracking oceanic and continental sources, Earth Planet. Sci. Lett. 104, 350-363, 1991.
    • (1991) Earth Planet. Sci. Lett. , vol.104 , pp. 350-363
    • Mahoney, J.J.1    Nicollet, C.2    Dupuy, C.3
  • 44
    • 0024939366 scopus 로고
    • Petrology and geochemistry of MORB from 25°E to 46°E along the Southwest Indian Ridge: Evidence for contrasting styles of mantle enrichment
    • A.P. le Roex, H.J.B. Dick and R.L. Fisher, Petrology and geochemistry of MORB from 25°E to 46°E along the Southwest Indian Ridge: evidence for contrasting styles of mantle enrichment, J. Petrol. 30, 947-986, 1989.
    • (1989) J. Petrol. , vol.30 , pp. 947-986
    • Le Roex, A.P.1    Dick, H.J.B.2    Fisher, R.L.3
  • 45
    • 0026311690 scopus 로고
    • Fluxes and excess temperatures of mantle plumes inferred from their interaction with migrating mid-ocean ridges
    • J.G. Schilling, Fluxes and excess temperatures of mantle plumes inferred from their interaction with migrating mid-ocean ridges, Nature 352, 397-403, 1991.
    • (1991) Nature , vol.352 , pp. 397-403
    • Schilling, J.G.1
  • 46
    • 0025594506 scopus 로고
    • A possible link between Mesozoic lithospheric architecture and Gondwana flood basalts
    • R.J. Sweeney and M.K. Watkeys, A possible link between Mesozoic lithospheric architecture and Gondwana flood basalts, J. Afr. Earth Sci. 10(4), 707-716, 1990.
    • (1990) J. Afr. Earth Sci. , vol.10 , Issue.4 , pp. 707-716
    • Sweeney, R.J.1    Watkeys, M.K.2
  • 47
  • 49
    • 0029518742 scopus 로고
    • Trans-Atlantic correlation of eruptive sequences and individual silicic volcanic units within the Paraná-Etendeka igneous province
    • S.C. Milner, A.R. Duncan, A.M. Whittingham and A. Ewart, Trans-Atlantic correlation of eruptive sequences and individual silicic volcanic units within the Paraná-Etendeka Igneous Province, J. Volcanol. Geotherm. Res. 69(3/4), 137-157, 1995.
    • (1995) J. Volcanol. Geotherm. Res. , vol.69 , Issue.3-4 , pp. 137-157
    • Milner, S.C.1    Duncan, A.R.2    Whittingham, A.M.3    Ewart, A.4
  • 50
    • 0020646760 scopus 로고
    • Mantle reservoirs and ocean island basalts
    • D. McKenzie and R.K. O'Nions, Mantle reservoirs and ocean island basalts, Nature 301, 229-231, 1983.
    • (1983) Nature , vol.301 , pp. 229-231
    • McKenzie, D.1    O'Nions, R.K.2


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