Seismic observation of narrow plumes in the oceanic upper mantle

Geophysical Research Letters

Volumn 30, Issue 6, 2003, Pages

  Li, X ^a   Kind, R ^a,b   Yuan, X ^a   Sobolev, S V ^a   Hanka, W ^a   Ramesh, D S ^c   Gu, Y ^d   Dziewonski, A M ^d  

^a GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

^b FREIE UNIVERSITÄT BERLIN   (Germany)

^c NATIONAL GEOPHYSICAL RESEARCH INSTITUTE   (India)

^d HARVARD UNIVERSITY   (United States)

Author keywords

Ps conversions; SS precursors; Upper mantle plumes

Indexed keywords

DATA REDUCTION; OCEANOGRAPHY; STRUCTURAL GEOLOGY; THERMAL PLUMES; EARTH SCIENCES; GEOPHYSICS;

ISLANDS; 410-KM DISCONTINUITY; HOT PLUMES; SEISMIC EVIDENCE; SEISMIC OBSERVATION; SS PRECURSORS; UPPER MANTLE;

SEISMIC PROSPECTING; SEISMOLOGY;

MANTLE PLUME; SEISMIC VELOCITY; UPPER MANTLE; VELOCITY STRUCTURE;

EID: 0041689738     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2002GL015411     Document Type: Article

References (29)

1. Bina, C. R., and G. Helffrich, Phase transition Clapeyron slopes and transition zone seismic discontinuity topography, J. Geophys. Res., 99, 15,853-15,860, 1994.
2. Budweg, M., M. Weber, G. Bock, and EIFEL-Plume-Team, The upper mantle under the Eifel-Plume, Poster presented at the Annual Meeting of the European Geophysical Society, Nice, France, March, 2001.
3. Chevrot, S., L. Vinnik, and J. P. Montagner, Global scale analysis of the mantle Pds phases, J. Geophys. Res., 104, 20,203-20,219, 1999.
4. Dueker, K. G., and A. F. Sheehan, Mantle discontinuity structure from midpoint stacks of converted P to S waves across the Yellowstone hotspot track, J. Geophys. Res., 102, 8313-8327, 1997.
5. Dziewonski, A. M., and D. L. Anderson, Preliminary reference Earth model, Phys. Earth Planet. Inter., 25, 297-356, 1981.
6. Ekstrom, G., and A. M. Dziewonski, The unique anisotropy of the Pacific upper mantle, Nature, 394, 168-172, 1998.
7. Flanagan, M. P., and P. M. Shearer, Global mapping of topography on transition zone velocity discontinuities by stacking SS precursors, J. Geophys. Res., 103, 2673-2692, 1998.
8. Gaensicke, H., Untersuchung moeglicher Beziehungen der seismischen Diskontinuitaeten im oberen Erdmantel, Diploma Thesis, University of Bonn, Germany, 1999.
9. Gossler, J., and R. Kind, Seismic evidence for very deep roots of continents, Earth Planet. Sci. Lett., 138, 1-13, 1996.
10. Gu, Y., A. M. Dziewonski, and C. B. Agee, Global de-correlation of the topography of transition zone discontinuities, Earth Planet. Sci. Lett., 157, 57-67, 1998.
11. Gu, Y., and A. M. Dziewonski, Global variability of the transition zone thickness, J. Geophys. Res., 107, 10.1029/2001JB000489, 2002.
12. Ito, E., and E. Takahashi, Postspinel transformations in the system Mg2SiO4-Fe2SiO4 and some geophysical implications, J. Geophys. Res., 94, 10,637-10,646, 1989.
13. Karato, S., Importance of anelasticity in the interpretation of seismic tomography, Geophys. Res. Lett., 20, 1623-1626, 1993.
14. Kennett, B. L. N., and E. R. Engdahl, Travel times for global earthquake location and phase identification, Geophys. J. Int., 105, 429-465, 1991.
15. Li, X., R. Kind, K. Priestley, S. V. Sobolev, F. Tilmann, X. Yuan, and M. Weber, Mapping the Hawaiian plume with converted seismic waves, Nature, 405, 938-941, 2000a.
16. Li, X., S. V. Sobolev, R. Kind, X. Yuan, and Ch. Estabrook, A detailed receiver function image of the upper mantle discontinuities in the Japan subduction zone, Earth Planet. Sci. Let., 183, 527-541, 2000b.
17. Li, X., R. Kind, and X. Yuan, Seismic study of upper mantle and transition zone beneath hotspots, in press, Phys. Earth Planet. Inter., 2003.
18. Morgan, W. J., Convective plumes in the lower mantle, Nature, 230, 42-43, 1971.
19. Nataf, H. C., Seismic imaging of mantle plumes, Ann. Rev. Earth Planet. Sci., 28, 391-417, 2000.
20. Neele, F., H. de Regt, and J. VanDecar, Gross errors in upper-mantle discontinuity topography from underside reflection data, Geophys. J. Int., 129, 194-204, 1997.
21. Owens, T. J., A. A. Nyblade, H. Gurrola, and C. A. Langston, Mantle transition zone structure beneath Tanzania, East Africa, Geophys. Res. Lett., 27, 827-830, 2000.
22. Ramesh, D. S., R. Kind, and X. Yuan, Receiver function analysis of the North American crust and upper mantle, Geophys. J. Int., 150, 91-108, 2002.
23. Revenaugh, J., and T. H. Jordan, Mantle layering from ScS reverberations: 2. The transition zone, J. Geophys. Res., 96, 19,763-19,780, 1991.
24. Shearer, P. M., M. P. Flanagan, and M. A. H. Hedlin, Experiments in migration processing of SS precursor data to image upper mantle discontinuity structure, J. Geophys. Res., 104, 7229-7242, 1999.
25. Shen, Y., S. C. Solomon, I. Th. Bjarnason, and G. M. Purdy, Hot mantle transition zone beneath Iceland and the adjacent Mid-Atlantic Ridge inferred from P-to-S conversions at the 410- and 660-km discontinuities, Geophys. Res. Lett., 23, 3527-3530, 1996.
26. Shen, Y., S. C. Solomon, I. T. Bjarnason, and C. J. Wolfe, Seismic evidence for a lower-mantle origin of the Iceland plume, Nature, 395, 62-65, 1998a.
27. Shen, Y., A. F. Sheehan, K. G. Duecker, C. de Groot-Hedlin, and H. Gilbert, Mantle discontinuity structure beneath the southern East Pacific Rise from P-to-S converted phases, Science, 280, 1232-1235, 1998b.
28. Stammler, K., R. Kind, N. Petersen, G. Kosarev, L. Vinnik, and Q. Liu, The upper mantle discontinuities: correlated or anticorrelated?, Geophys. Res. Lett., 19, 1563-1566, 1992.
29. Vinnik, L., S. Chevrot, and J. P. Montagner, Evidence for a stagnant plume in the transition zone?, Geophys. Res. Lett., 24, 1007-1010, 1997.