Observations of the mid-mantle discontinuity beneath Indonesia from S to P converted waveforms

Geophysical Research Letters

Volumn 33, Issue 4, 2006, Pages

  Vanacore, Elizabeth ^a   Niu, Fenglin ^a   Kawakatsu, Hitoshi ^b  

^a RICE UNIVERSITY   (United States)

^b UNIVERSITY OF TOKYO   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

DATA REDUCTION; EARTHQUAKES; SEISMIC WAVES; SEISMOGRAPHS; SIGNAL TO NOISE RATIO;

DISCONTINUITY STRUCTURE; MID-MANTLE DISCONTINUITY; REGIONAL ARRAYS; STACKED DIAGRAMS;

SEISMOLOGY;

MANTLE DISCONTINUITY; P-WAVE; S-WAVE; SEISMIC DATA;

EID: 33645650422     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2005GL025106     Document Type: Article

References (31)

1. Anderson, D. (2002), The case for irreversible chemical stratification of the mantle, Int. Geol. Rev., 44, 97-116.
2. Carlson, R. W., T. L. Grove, M. J. de Wit, and J. J. Gurney (1996), Program to study the crust and mantle of the Archean craton in southern Africa, Eos Trans. AGU, 77, 273-277.
3. Castle, J. C., and K. C. Creager (1999), A steeply dipping discontinuity in the lower mantle beneath Izu-Bonin, J. Geophys. Res., 104, 7279-7292.
4. Castle, J. C., and R. D. van der Hilst (2003), Searching for seismic scattering off mantle interfaces between 800 km and 2000 km depth, J. Geophys. Res., 108(B2), 2095, doi:10.1029/2001JB000286.
5. Deuss, A., and J. H. Woodhouse (2002), A systematic search for mantle discontinuities using SS-precursors, Geophys. Res. Lett., 29(8), 1249, doi:10.1029/2002GL014768.
6. Dziewonski, A. M., T.-A. Chou, and J. H. Woodhouse (1981), Determination of earthquake source parameters from waveform data for studies of global and regional seismicity, J. Geophys. Res., 86, 2825-2852.
7. Fukao, Y., S. Widiyantoro, and M. Obayashi (2001), Stagnant slabs in the upper and lower mantle transition zone, Geophys. Rev., 39, 291-323.
8. Hall, R., and W. Spakman (2002), Subducted slabs beneath the eastern Indonesia-Tonga region: Insights from tomography, Earth Planetary Sci. Lett., 201, 321-336.
9. Helffrich, G., and B. Wood (2001), The Earth's mantle, Nature, 412, 501-507.
10. J-Array Group (1993), The J-Array program: System and present status, J. Geomagn. Geoelectr., 45, 1265-1274.
11. Kanasewich, E. R. (1973), Time Sequence Analysis in Geophysics, 364 pp., Univ. of Alberta Press, Edmonton, Alberta, Canada.
12. Kaneshima, S. (2003), Small scale heterogeneity at the top of the lower mantle around the Mariana slab, Earth Planet. Sci. Lett., 209, 85-101.
13. Kaneshima, S., and G. Helffrich (1999), Dipping lower-velocity layer in the mid-lower mantle: Evidence for geochemical heterogeneity, Science, 283, 1888-1891.
14. Kaneshima, S., and G. Helffrich (2003), Subparallel dipping heterogeneities in the mid-lower mantle, J. Geophys. Res., 108(B5), 2272, doi:10.1029/2001JB001596.
15. Kawakatsu, H., and F. Niu (1994), Seismic evidence for a 920-km discontinuity in the mantle, Nature, 371, 301-305.
16. Kellogg, L. H., B. H. Hager, and R. D. van der Hilst (1999), Compositional stratification in the deep mantle, Science, 283, 1881-1884.
17. Kennett, B. L. N., and E. R. Engdahl (1991), Travel times for global earthquake location and phase identification, Geophys. J. Int., 105, 429-465.
18. Kruger, F., M. Banumann, F. Scherbaum, and M. Weber (2001), Mid-mantle scatterers near the Mariana slab detected with a double array method, Geophys. Res. Lett., 28, 667-670.
19. Kubo, T., E. Ohtani, T. Kondo, T. Kato, M. Toma, T. Hosoya, A. Sano, T. Kikegawa, and T. Nagase (2002), Metastable garnet in oceanic crust at the top of the lower mantle, Nature, 420, 803-806.
20. Muirhead, K. J. (1968), Eliminating false alarms when detecting seismic events automatically, Nature, 217, 533-534.
21. Niu, F., and H. Kawakatsu (1997), Depth variation of the mid-mantle seismic discontinuity, Geophys. Res. Lett., 24, 429-432.
22. Niu, F., H. Kawakatsu, and Y. Fukao (2003), Seismic evidence for a chemical heterogeneity in the midmantle: A strong and slightly dipping seismic reflector at mid-mantle depth beneath the Mariana subduction zone, J. Geophys. Res., 108(B9), 2419, doi:10.1029/2002JB002384.
23. Ohtani, E., M. Toma, K. Litasov, T. Kubo, and A. Suzuki (2001), Stability of dense hydrous magnesium silicate phases and water storage capacity in the transition zone lower mantle, Phys. Earth Planet. Inter., 124,105-117.
24. Ono, S., E. Ito, and T. Katsura (2001), Mineralogy of subducted basaltic crust (MORB) from 25 to 37 GPa, and chemical heterogeneity of the lower mantle, Earth Planet. Sci. Lett., 19, 57-63.
25. Shen, Y., S. C.. Solomon, and C. J. Wolfe (2003), Seismological evidence for a mid-mantle discontinuity beneath Hawaii and Iceland, Earth Planet. Sci. Lett., 214, 143-151.
26. Shieh, S. R., H. K. Mao, R. J. Hemley, and L. C. Ming (1998), Decomposition of phase D in the lower mantle and the fate of dense hydrous silicates in subducting slabs, Earth Planet. Sci. Lett., 159, 13-23.
27. Tackley, P. J. (2000), Mantle convection and plate tectonics: Toward and integrated physical and chemical theory, Science, 288, 2002-2007.
28. van der Hilst, R. D., and H. Karason (1999), Compositional heterogeneity in the bottom 1000 kilometers of Earth's mantle: Toward a hybrid convection model, Science, 283, 1885-1888.
29. Vinnik, L., F. Niu, and H. Kawakatsu (1998), Broad-band converted phases from midmantle discontinuities, Earth Planets Space, 50, 987-997.
30. Vinnik, L., M. Kato, and H. Kawakatsu (2001), Search for seismic discontinuities in the lower mantle, Geophys. J. Int., 14, 41-56.
31. Wen, L., and D. L. Anderson (1997), Layered mantle convection: A model for geoid and topography, Earth Planet. Sci. Lett., 146, 367-377.