Global variability of transition zone thickness

Journal of Geophysical Research: Solid Earth

Volumn 107, Issue 7, 2002, Pages

  Gu, Yu J ^a   Dziewonski, Adam M ^a  

^a HARVARD UNIVERSITY   (United States)

Author keywords

S410S S660S times; SS precursors; Subducted slabs; Transition zone

Indexed keywords

CRUSTAL THICKNESS; EARTHQUAKE; PHASE TRANSITION; SEISMIC WAVE; SUBDUCTION ZONE; TRANSITION ZONE;

EID: 0037055352     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: None     Document Type: Article

References (64)

1. Benz, H. M., and J. E. Vidale, Sharpness of upper-mantle discontinuities determined from high-frequency reflections, Nature, 365, 147-150, 1993.
2. Bostock, M. G., Ps conversions from the upper mantle transition zone beneath the Canadian landmass, J. Geophys. Res., 101, 8393-8402, 1996.
3. Castle, J. C., and K. C. Creager, Topography of the 660-km seismic discontinuity beneath Izu-Bonin: Implications for tectonic history and slab deformation, J. Geophys. Res., 103, 12,511-12,527, 1998.
4. Chaljub, E., and A. Tarantola, Sensitivity of SS precursors to topography on the upper-mantle 660-km discontinuity, Geophys. Res. Lett., 24, 2613-2616, 1997.
5. 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.
6. Deuss, A., and J. H. Woodhouse, Mantle discontinuities from SS precursors, Eos Trans. AGU, 81(48), Fall Meet. Suppl., Abstract SS1D-10, 2000.
7. Deuss, A., and J. Woodhouse, Seismic observations of splitting of the mid-transition zone discontinuity in Earth's mantle, Nature, 294, 354-357, 2001.
8. Dueker, K. G., and A. F. Sheehan, Mantle discontinuity structure from midpoint stacks of converted P to S waves across the Yellowstone hot spot track, J. Geophys. Res., 102, 8313-8327, 1997.
9. Dziewonski, A. M., and D. L. Anderson, Preliminary reference Earth model, Phys. Earth Planet. Inter., 25, 297-356, 1981.
10. Dziewonski, A. M., and F. Gilbert, The effect of small, aspherical perturbations on travel times and a re-examination of the corrections for ellipticity, Geophys. J. R. Astron. Soc., 44, 7-17, 1976.
11. Estabrook, C. H., G. Bock, and R. Kind, Investigation of mantle discontinuities from a single deep earthquake, Geophys. Res. Lett., 21, 1495-1498, 1994.
12. 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, 1998a.
13. Flanagan, M. P., and P. M. Shearer, Topography on the 410-km seismic velocity discontinuity near subduction zones from stacking of sS, sP, and pP precursors, J. Geophys. Res., 103, 21,165-21,183, 1998b.
14. Gossler, J., and R. Kind, Seismic evidence for very deep roots of continents, Earth Planet. Sci. Lett., 138, 1-13, 1996.
15. Gu, Y. J., Upper mantle transition zone: structure and topography of discontinuities, thesis, 217 pp., Harvard Univ., Cambridge, Mass., 2001.
16. 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.
17. Gu, Y. J., A. M. Dziewonski, W.-J. Su, and G. Ekström, Models of the mantle shear velocity and discontinuities in the pattern of lateral heterogeneities, J. Geophys. Res., 106, 11,169-11,199, 2001a.
18. Gu, Y. J., A. M. Dziewonski, and G. Ekström, Preferential detection of the Lehmann discontinuity under continents, Geophys. Res. Lett., 28, 4655-4658, 2001b.
19. Gurrola, H., and J. B. Minster, Thickness estimates of the upper-mantle transition zone from bootstrapped velocity spectrum stacks of receiver functions, Geophys. J. Int., 133, 31-43, 1998.
20. 4 and some geophysical implications. J. Geophys. Res., 94, 10,637-10,646, 1989.
21. Jackson, I., Some geophysical constraints on the chemical composition of the Earth's lower mantle, Earth Planet. Sci. Lett., 62, 143-164, 1983.
22. Jordan, T. H., Global tectonic regionalization for seismological data analysis, Bull. Seismol. Soc. Am., 71, 1131-1141, 1981.
23. 4 at high pressures and temperatures; precise determination of stabilities of olivine, modified spinel, and spinel, J. Geophys. Res., 94, 15,663-15,670, 1989.
24. Katzman, R., L. Zhao, and T. H. Jordan, High-resolution, two-dimensional vertical tomography of the central Pacific mantle using ScS reverberations and frequency-dependent travel times, J. Geophys. Res., 103. 17,933-17,971, 1998.
25. Le Stunff, Y., C. W. Wicks, and B. Romanowicz, P'P' precursors urider Africa: Evidence for mid-mantle reflectors, Science, 270, 74-77, 1995.
26. Lee, D.-K., and S. Grand, Depth of upper mantle discontinuities beneath the East Pacific Rise, Geophys. Res. Lett., 23, 3369-3372, 1996.
27. Li, A., K. M. Fischer, M. E. Wysession, and T. J. Clarke, Mantle discontinuities and temperature under the North American continental keel, Nature, 395, 160-163, 1998.
28. Li, X.-D., and B. Romanowicz, Global mantle shear velocity model developed using nonlinear asymptotic coupling theory, J. Geophys. Res., 101, 22,245-22,272, 1996.
29. 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.
30. Li, X., S. V. Sobolev, R. Kind, X. Yuan, and C. H. Estabrook, A detailed receiver function image of the upper mantle discontinuities in the Japan subduction zone, Earth Planet. Sci. Lett., 183, 527-541, 2000b.
31. Liu, X.-F., The three-dimensional shear-wave velocity structure of the Earth's lower mantle, thesis, 202 pp., Harvard Univ., Cambridge, Mass., 1997.
32. Masters, G., T. H. Jordan, P. G. Silver, and F. Gilbert, Aspherical Earth structure from fundamental spheroidal-mode data, Nature, 298, 609-613, 1982.
33. Masters, G., G. Laske, H. Bolton, and A. M. Dziewonski, The relative behavior of shear velocity, bulk sound speed, and compressional velocity in the mantle: Implications for chemical and thermal structure, in Earth's Deep Interior: Mineral Physics and Tomography: From the Atomic to the Global Scale, Geophys. Monogr. Ser., vol. 117, edited by S. Karato et al., pp. 63-87, AGU, Washington, D.C., 2000.
34. Mégnin, C., and B. Romanowicz, The 3D shear velocity structure of the mantle from the inversion of body, surface, and higher mode waveforms, Geophys. J. Int., 143, 709-728, 2000.
35. Mooney, W., G. Laske, and G. Masters, A new global crustal model at 5 x 5 degrees: CRUST-5.1, J. Geophys. Res., 103, 727-747, 1998.
36. Navrotsky, A., Lower mantle phase transitions may generally have negative pressure-temperature slopes, Geophys. Res. Lett., 7, 709-711, 1980.
37. 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.
38. Niu, F., and H. Kawakatsu, Direct evidence for the undulation of the 660-km discontinuity beneath Tonga: Comparison of Japan and California array data, Geophys. Res. Lett., 22, 531-534, 1995.
39. Petersen, N., L. P. Vinnik, G. Kosarev, R. Kind, S. Oreshin, and K. Stammler, Sharpness of the mantle discontinuities, Geophys. Res. Lett., 20, 859-862, 1993.
40. Revenaugh, J. S., and T. H. Jordan, Mantle layering from ScS reverberation, 2. The transition zone, J. Geophys. Res., 96, 19,763-19,780, 1991.
41. Revenaugh, J. S., and S. A. Sipkin, Mantle discontinuity structure beneath China, J. Geophys. Res., 99, 21,911-21,927, 1994.
42. Richards, M. A., and C. W. Wicks, S-P conversion from the transition zone beneath Tonga and the nature of the 670 km discontinuity, Geophys. J. Int., 101, 1-35, 1990.
43. Ringwood, A. E., Composition and Petrology of the Earth's Mantle, 618 pp., McGraw-Hill, New York, 1975.
44. Ritsema, J., H. J. Van Heijst, and J. H. Woodhouse, Complex shear wave velocity structure imaged beneath Africa and Iceland, Science, 286, 1925-1928, 1999.
45. Shearer, P. M., Seismic imaging of upper-mantle structure with new evidence for a 520-km discontinuity, Nature, 334, 121-126, 1990.
46. Shearer, P. M., Global mapping of upper mantle reflectors from long-period SS precursors, Geophys. J. Int., 115, 878-904, 1993.
47. Shearer, P. M., Transition zone velocity gradients and the 520-km discontinuity, J. Geophys. Res., 101, 3053-3066, 1996.
48. Shearer, P. M., Upper mantle seismic discontinuities, in Earth's Deep Interior: Mineral Physics and Tomography From the Atomic to the Global Scale, Geophys. Monogr. Ser., vol. 117, edited by S. Karato et al., pp. 115-131, AGU, Washington, D. C., 2000.
49. Shearer, P. M., and G. Masters, Global mapping of topography on the 660-km discontinuity, Nature, 355, 791-796, 1992.
50. Shearer, P. M., M. P. Flanagan, and M. A. Hedlin, Experiments in migration processing of SS precursor data to image upper mantle discontinuity structure, J. Geophys. Res., 104, 7229-7242, 1999.
51. Shen, Y., S. C. Solomon, I. T. Bjarnason, and G. M. Purdy, Hot mantle transition zone beneath Iceland and the adjacent Mid-Atlantic Ridge inferred from P-to-S conversions and the 410- and 660-km discontinuities, Geophys. Res. Lett., 23, 3527-3530, 1996.
52. Shen, Y., A. F. Sheehan, K. G. Dueker, 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, 1998.
53. Su, W.-J., R. L. Woodward, and A. M. Dziewonski, Degree- 12 model of shear velocity heterogeneity in the mantle, J. Geophys. Res., 99, 6945-6980, 1994.
54. Thoraval, C., and P. Machetel, Accounting for phase changes and their kinetics within geodynamic model for the geoid, Eos Trans. AGU, 81(46), Fall Meet. Suppl., Abstract T22E-07, 2000.
55. van der Lee, S., H. Paulssen, and G. Nolet, Variability of P660s phases as a consequence of topography of the 660 km discontinuity, Phys. Earth Planet. Inter., 86, 147-164, 1994.
56. Vidale, J. E., and H. M. Benz, Upper-mantle seismic discontinuities and the thermal structure of subduction zones, Nature, 356, 678-683, 1992.
57. Vinnik, L. P., G. Kosarev, and N. Petersen, Mantle transition zone beneath Eurasia, Geophys. Res. Lett., 23, 1485-1488, 1996.
58. Wessel, P., and W. H. F. Smith. Free software helps map and display data, Eos Trans. AGU, 72, 441, 445-446, 1991.
59. Wicks, C. W., and M. A. Richards, A detailed map of 660-kilometer discontinuity beneath the Izu-Bonin subduction zone, Science, 261, 1424-1427, 1993.
60. Woodhouse, J. H., and A. M. Dziewonski, Mapping the upper mantle: Three-dimensional modeling of Earth structure by inversion of seismic waveforms, J. Geophys. Res., 89, 5953-5986, 1984.
61. Woodhouse, J. H., and A. M. Dziewonski, Seismic modeling of the Earth's large-scale three dimensional structure. Philos. Trans. R. Soc. London, 328, 291-308, 1989.
62. df, Geophys. Res. Lett., 25, 571-574, 1998.
63. Yamazaki, A., and K. Hirahara, The thickness of upper mantle discontinuities, as inferred from short-period J-Array data, Geophys. Res. Lett., 21, 1811-1814, 1994.
64. Yuen, D. A., D. M. Reuteler, S. Balachandar, V. Steinbach, A. V. Malevsky, and J. J. Smedsmo, Various influences on three-dimensional mantle convection with phase transitions, Phys. Earth Planet. Inter., 86, 185-203, 1994.