메뉴 건너뛰기




Volumn 34, Issue 21, 2007, Pages

Mantle upwellings and convective instabilities revealed by seismic tomography and helium isotope geochemistry beneath eastern Africa

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY; HELIUM; ISOTOPES; TECTONICS; TOPOGRAPHY;

EID: 38549181683     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2007GL031098     Document Type: Article
Times cited : (46)

References (33)
  • 2
    • 0036253767 scopus 로고    scopus 로고
    • Source, genesis, and timing of giant ignimbrite deposits associated with Ethiopian continental flood basalts
    • Ayalew, D. (2002), Source, genesis, and timing of giant ignimbrite deposits associated with Ethiopian continental flood basalts, Geochim. Cosmochim. Acta, 66, 1429-1448.
    • (2002) Geochim. Cosmochim. Acta , vol.66 , pp. 1429-1448
    • Ayalew, D.1
  • 3
    • 33646804524 scopus 로고    scopus 로고
    • Upper mantle P- wave speed variations beneath Ethiopia and the origin of the Afar hotspot
    • doi:10.1130/G22281.1
    • Benoit, M., A. Nyblade, and J. VanDecar (2006), Upper mantle P- wave speed variations beneath Ethiopia and the origin of the Afar hotspot, Geology, 34, 329-332, doi:10.1130/G22281.1.
    • (2006) Geology , vol.34 , pp. 329-332
    • Benoit, M.1    Nyblade, A.2    VanDecar, J.3
  • 4
    • 0030364307 scopus 로고    scopus 로고
    • The African plate
    • Burke, K. (1996), The African plate, S. Afr. J. Geol, 99, 339-410.
    • (1996) S. Afr. J. Geol , vol.99 , pp. 339-410
    • Burke, K.1
  • 5
    • 33745787762 scopus 로고    scopus 로고
    • Calais, E., C. Ebinger, C. Harmady, and J. Nocquet (2006), Kinematics of the East African Rift from GPS and earthquake slip vector data, in The Afar Volcanic Province Within the East African Rift System, edited by G. Yirgu, C. J. Ebinger, and P. K. H. Maguire, Geol. Soc. Spec. Publ., 259, 9-22.
    • Calais, E., C. Ebinger, C. Harmady, and J. Nocquet (2006), Kinematics of the East African Rift from GPS and earthquake slip vector data, in The Afar Volcanic Province Within the East African Rift System, edited by G. Yirgu, C. J. Ebinger, and P. K. H. Maguire, Geol. Soc. Spec. Publ., 259, 9-22.
  • 9
    • 0035682248 scopus 로고    scopus 로고
    • Seismic evidence for deeply rooted low-velocity anomaly in the upper mantle beneath the northeastern Afro/Arabian continent
    • Debayle, E., J. Leveque, and M. Cara (2001), Seismic evidence for deeply rooted low-velocity anomaly in the upper mantle beneath the northeastern Afro/Arabian continent, Earth Planet. Sci. Lett., 193, 423-436.
    • (2001) Earth Planet. Sci. Lett , vol.193 , pp. 423-436
    • Debayle, E.1    Leveque, J.2    Cara, M.3
  • 11
    • 0032558727 scopus 로고    scopus 로고
    • Cenozoic magmatism throughout East Africa resulting from impact of a single plume
    • Ebinger, C., and N. Sleep (1998), Cenozoic magmatism throughout East Africa resulting from impact of a single plume, Nature, 395, 788-791.
    • (1998) Nature , vol.395 , pp. 788-791
    • Ebinger, C.1    Sleep, N.2
  • 12
    • 0037710960 scopus 로고    scopus 로고
    • Nobles gases in geochemistry of mid-ocean and ocean island basalts
    • edited by D. Porcelli, C. J. Ballentine, and R. Wieler, pp, Mineral. Soc. of Am, Washington, D. C
    • Graham, D. (2002), Nobles gases in geochemistry of mid-ocean and ocean island basalts, in Noble Gases in Geochemistry and Cosmochemistry, Rev. Mineral Geochem., vol. 47, edited by D. Porcelli, C. J. Ballentine, and R. Wieler, pp. 247-318, Mineral. Soc. of Am., Washington, D. C.
    • (2002) Noble Gases in Geochemistry and Cosmochemistry, Rev. Mineral Geochem , vol.47 , pp. 247-318
    • Graham, D.1
  • 13
    • 0036322296 scopus 로고    scopus 로고
    • Young tracks of hotspots and current plate velocities
    • Gripp, A., and R. Gordon (2002), Young tracks of hotspots and current plate velocities, Geophys. J. Int., 150, 321-351.
    • (2002) Geophys. J. Int , vol.150 , pp. 321-351
    • Gripp, A.1    Gordon, R.2
  • 14
    • 0029535348 scopus 로고
    • On the effects of continents on mantle convection
    • Guillou, L., and C. Jaupart (1995), On the effects of continents on mantle convection, J. Geophys. Res., 100, 24,217-24,238.
    • (1995) J. Geophys. Res , vol.100
    • Guillou, L.1    Jaupart, C.2
  • 15
    • 0024921944 scopus 로고
    • Anisotropy of the African continent inferred from surface waves
    • Hadiouche, O., N. Jobert, and J.-P. Montagner (1989), Anisotropy of the African continent inferred from surface waves, Phys. Earth Planet. Inter., 58, 61-81.
    • (1989) Phys. Earth Planet. Inter , vol.58 , pp. 61-81
    • Hadiouche, O.1    Jobert, N.2    Montagner, J.-P.3
  • 16
    • 0030829191 scopus 로고    scopus 로고
    • Timing of the Ethiopian flood basalt event and implications for plume birth and global change
    • Hofmann, C., V. Courtillot, G. Féraud, P. Rochette, G. Yirgus, E. Ketefo, and R. Pik (1997), Timing of the Ethiopian flood basalt event and implications for plume birth and global change, Nature, 389, 838-841.
    • (1997) Nature , vol.389 , pp. 838-841
    • Hofmann, C.1    Courtillot, V.2    Féraud, G.3    Rochette, P.4    Yirgus, G.5    Ketefo, E.6    Pik, R.7
  • 19
    • 0034634404 scopus 로고    scopus 로고
    • African hotspot volcanism: Small-scale convection in the upper mantle beneath cratons
    • King, S., and J. Ritsema (2000), African hotspot volcanism: Small-scale convection in the upper mantle beneath cratons, Science, 290, 1137-1140.
    • (2000) Science , vol.290 , pp. 1137-1140
    • King, S.1    Ritsema, J.2
  • 20
    • 0030432128 scopus 로고    scopus 로고
    • Helium isotopic variations in Ethiopian plume lavas: Nature of magmatic sources and limit on lower mantle contribution
    • Marty, B., R. Pik, and Y. Gezahegn (1996), Helium isotopic variations in Ethiopian plume lavas: Nature of magmatic sources and limit on lower mantle contribution, Earth Planet. Sci. Lett., 144, 223-237.
    • (1996) Earth Planet. Sci. Lett , vol.144 , pp. 223-237
    • Marty, B.1    Pik, R.2    Gezahegn, Y.3
  • 21
    • 0037106958 scopus 로고    scopus 로고
    • Low anisotropy channels below the Pacific plate
    • Montagner, J. (2002), Low anisotropy channels below the Pacific plate, Earth Planet. Sci. Lett., 202, 263-274.
    • (2002) Earth Planet. Sci. Lett , vol.202 , pp. 263-274
    • Montagner, J.1
  • 22
    • 0001363646 scopus 로고
    • Global upper mantle tomography of seismic velocities and anisotropies
    • Montagner, J.-P., and T. Tanimoto (1991), Global upper mantle tomography of seismic velocities and anisotropies, J. Geophys. Res., 96, 20,337-20,351.
    • (1991) J. Geophys. Res , vol.96
    • Montagner, J.-P.1    Tanimoto, T.2
  • 23
    • 0347003624 scopus 로고    scopus 로고
    • Finite-frequency tomography reveals a variety of plumes in the mantle
    • Montelli, R., G. Nolet, F. Dahlen, G. Masters, E. Engdahl, and S. Hung (2004), Finite-frequency tomography reveals a variety of plumes in the mantle, Science, 303, 338-343.
    • (2004) Science , vol.303 , pp. 338-343
    • Montelli, R.1    Nolet, G.2    Dahlen, F.3    Masters, G.4    Engdahl, E.5    Hung, S.6
  • 25
    • 3743080052 scopus 로고
    • Convection plumes in the lower mantle
    • Morgan, J. (1971), Convection plumes in the lower mantle, Nature, 230, 42-43.
    • (1971) Nature , vol.230 , pp. 42-43
    • Morgan, J.1
  • 26
    • 0000836871 scopus 로고
    • Formation of anisotropy in upper mantle peridotites - A review
    • Composition, Structure and Dynamics of the Lithosphere/Asthenosphere System, edited by K. Fuchs and C. Froideveaux, pp, AGU, Washington, D. C
    • Nicolas, A., and N. Christensen (1987), Formation of anisotropy in upper mantle peridotites - A review, in Composition, Structure and Dynamics of the Lithosphere/Asthenosphere System, Geodyn. Ser., vol. 16, edited by K. Fuchs and C. Froideveaux, pp. 111-123, AGU, Washington, D. C.
    • (1987) Geodyn. Ser , vol.16 , pp. 111-123
    • Nicolas, A.1    Christensen, N.2
  • 28
    • 0033618948 scopus 로고    scopus 로고
    • First seamount age evidence for significantly slower African plate motion since 19 to 30 Ma
    • O'Connor, J., P. Stoffers, P. van den Bogaard, and M. McWilliams (1999), First seamount age evidence for significantly slower African plate motion since 19 to 30 Ma, Earth Planet. Sci. Lett., 171, 575-589.
    • (1999) Earth Planet. Sci. Lett , vol.171 , pp. 575-589
    • O'Connor, J.1    Stoffers, P.2    van den Bogaard, P.3    McWilliams, M.4
  • 29
    • 32644437339 scopus 로고    scopus 로고
    • How many plumes in Africa? The geochemical point of view
    • Pik, R., B. Marty, and D. Hilton (2006), How many plumes in Africa? The geochemical point of view, Chem. Geol., 226, 100-114.
    • (2006) Chem. Geol , vol.226 , pp. 100-114
    • Pik, R.1    Marty, B.2    Hilton, D.3
  • 30
    • 84879883348 scopus 로고    scopus 로고
    • New seismic model of the upper mantle beneath Africa
    • Ritsema, J., and H. van Heijst (2000), New seismic model of the upper mantle beneath Africa, Geology, 28, 63-66.
    • (2000) Geology , vol.28 , pp. 63-66
    • Ritsema, J.1    van Heijst, H.2
  • 31
    • 0037134064 scopus 로고    scopus 로고
    • Superplumes and the core-mantle boundary to the lithosphere: Implications for heat flux
    • Romanowicz, B., and Y. Gung (2002), Superplumes and the core-mantle boundary to the lithosphere: Implications for heat flux, Science, 296, 513-516.
    • (2002) Science , vol.296 , pp. 513-516
    • Romanowicz, B.1    Gung, Y.2
  • 32
    • 33644908014 scopus 로고    scopus 로고
    • Hotspot and superswell beneath Africa as inferred from surface wave anisotropic tomography
    • Sebai, A., E. Stutzmann, J.-P. Montagner, E. Beucler, and D. Sicilia (2006), Hotspot and superswell beneath Africa as inferred from surface wave anisotropic tomography, Phys. Earth Planet. Inter, 155, 48-62.
    • (2006) Phys. Earth Planet. Inter , vol.155 , pp. 48-62
    • Sebai, A.1    Stutzmann, E.2    Montagner, J.-P.3    Beucler, E.4    Sicilia, D.5
  • 33
    • 0027066713 scopus 로고
    • Magmatism and rifting in western and central Africa from late Jurassic to recent times
    • Wilson, M., and R. Guiraud (1992), Magmatism and rifting in western and central Africa from late Jurassic to recent times, Tectonophysics, 213, 203-225.
    • (1992) Tectonophysics , vol.213 , pp. 203-225
    • Wilson, M.1    Guiraud, R.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.