Deep structure of the Afro-Arabian hotspot by S receiver functions

Geophysical Research Letters

Volumn 31, Issue 11, 2004, Pages

  Vinnik, L P ^a   Farra, V ^b   Kind, R ^c  

^a SCHMIDT INSTITUTE OF PHYSICS OF THE EARTH   (Russian Federation)

^b CNRS   (France)

^c GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

MELTING; SEISMOGRAPHS; SEISMOLOGY; THERMAL EFFECTS;

GEOSCOPE SEISMOGRAPH STATION; MANTLE TRANSITION ZONES;

GEOPHYSICS;

DISCONTINUITY; HOT SPOT; MANTLE PLUME; SEISMIC DATA;

ARABIAN SEA; GULF OF ADEN; INDIAN OCEAN;

EID: 4143069251     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2004GL019574     Document Type: Article

References (19)

1. Albers, M., and U. R. Christensen (1996), The excess temperature of plumes rising from the core-mantle boundary, Geophys. Res. Lett., 23, 3567-3570.
2. Anderson, D. L. (2000), The thermal state of the upper mantle: No role for mantle plumes, Geophys. Res. Lett., 27, 3623-3626.
3. Barruol, G., and R. Hoffmann (1999), Upper mantle anisotropy beneath the Geoscope stations, J. Geophys. Res., 104, 10,774-20,757.
4. Chevrot, S., L. Vinnik, and J.-P. Montagner (1999), Global scale analysis of the mantle Pds phases, J. Geophys, Res., 104, 20,203-20,219.
5. Courtillot, V., A. Davaille, J. Besse, and J. Stock (2003), Three distinct types of hotspots in the Earth mantle, Earth Planet. Sci. Lett., 205, 295-308.
6. Debayle, E., J.-J. Leveque, and M. Cara (2001), Seismic evidence for a deeply rooted low-velocity anomaly in the upper mantle beneath northeastern Afro/Arabian continent, Earth Planet. Sci. Lett., 193, 423-436.
7. Farra, V., and L. Vinnik (2000), Upper mantle stratification by P and S receiver functions, Geophys. J. Int., 141, 699-712.
8. Fuchs, K., and G. Mueller (1971), Computation of synthetic seismograms with the reflectivity method and comparison with observations, Geophys. J. R. Astron. Soc., 23, 417-433.
9. Hirth, G., and D. L. Kohlstedt (1996), Water in the oceanic upper mantle: Implications for rheology, melt extraction and the evolution of the lithosphere, Earth Planet. Sci. Lett., 144, 93-108.
10. 4 at high pressures and temperatures: Precise determination of stabilities of olivine, modified spinel, and spinel, J. Geophys. Res., 94, 15,663-15,670.
11. Kellogg, L. H., B. H. Hager, and R. D. van der Hilst (1999), Compositional stratification in the deep mantle, Science, 283, 1881-1884.
12. Kennett, B. L. N., and E. R. Engdahl (1991), Traveltimes for global earthquake location and phase identification, Geophys. J. Int., 105, 429-465.
13. Kind, R. (1985), The reflectivity method for different source and receiver structures, J. Geophys., 58, 146-152.
14. Knox, R. B., A. A. Nyblade, and C. A. Langston (1998), Upper mantle S velocities beneath Afar and western Saudi Arabia from Rayleigh wave dispersion, Geophys. Res. Lett., 25, 4233-4236.
15. Nyblade, A. A., R. B. Knox, and H. Gurrola (2000), Mantle transition zone thickness beneath Afar: Implications for the origin of the Afar hotspot, Geophys. J. Int., 142, 615-619.
16. Ritsema, J., H. J. van Heijst, and J. H. Woodhouse (1999), Complex shear wave velocity structure imaged beneath Africa and Iceland, Science, 286, 1925-1928.
17. Vinnik, L., and V. Farra (2002), Subcratonic low-velocity layer and flood basalts, Geophys. Res. Lett., 29(4), 1049, doi:10.1029/2001GL014064.
18. Vinnik, L. P., V. Farra, and B. Romanowicz (1989), Azimuthal anisotropy in the Earth from observations of SKS at Geoscope and NARS broadband stations, Bull. Seismol. Soc. Am., 79, 1542-1558.
19. Vinnik, L., M. Ravi Kumar, R. Kind, and V Farra (2003), Super-deep low-velocity layer beneath the Arabian plate, Geophys. Res. Lett., 30(7), 1415, doi:10.1029/2002GL016590.