Tonga Ridge and Lau Basin crustal structure from seismic refraction data

Journal of Geophysical Research: Solid Earth

Volumn 108, Issue 4, 2003, Pages

  Crawford, Wayne C ^a   Hildebrand, John A ^a   Dorman, LeRoy M ^a   Webb, Spahr C ^b   Wiens, Douglas A ^c  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b Department of Earth and Environmental Sciences   (United States)

^c WASHINGTON UNIVERSITY   (United States)

Author keywords

Back arc basin; Island arc; Lau; Seismic refraction; Tonga

Indexed keywords

BACKARC BASIN; CRUSTAL STRUCTURE; CRUSTAL THICKNESS; ISLAND ARC; SEISMIC REFRACTION; VELOCITY STRUCTURE;

LAU BASIN; PACIFIC OCEAN; TONGA RIDGE;

EID: 0041810493     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: None     Document Type: Article

References (44)

1. Barth, G. A., and J. C. Mutter, Variability in oceanic crustal thickness and structure: Multichannel seismic reflection results from the northern East Pacific Rise, J. Geophys. Res., 101(8), 17,951-17,975, 1996.
2. Bevis, M., et al., Geodetic observations of very rapid convergence and back-arc extension at the Tonga arc, Nature, 374, 249-251, 1995.
3. Brodie, J. W., Capricorn seamount, south-west Pacific Ocean, Trans. R. Soc. N. Z. Geol., 3(10), 151-158, 1965.
4. Carter, D. J. T., Echo-Sounding Correction Tables, Hydrograph. Dep., Minist. of Def., UK, 1980.
5. Christensen, N. I., and W. D. Mooney, Seismic velocity structure and composition of the continental crust: A global view, J. Geophys. Res., 100(7), 9761-9788, 1995.
6. Christensen, N. I., and J. D. Smewing, Geology and seismic structure of the northern section of the Oman ophiolite, J. Geophys. Res., 86(4), 2545-2555, 1981.
7. Collier, J. S., and M. C. Sinha, Seismic mapping of a magma chamber beneath the Valu Fa Ridge, Lau Basin, J. Geophys. Res., 97(10), 14,031-14,053, 1992.
8. Cox, C. S., T. Deaton, and S. C. Webb, A deep sea differential pressure gauge, J. Atmos. Oceanic Technol., 1, 237-246, 1984.
9. Deal, M. M., G. Nolet, and R. D. van der Hilst, Slab temperature and thickness from seismic tomography: 1. Method and application to Tonga, J. Geophys. Res., 104(12), 28,789-28,802, 1999.
10. Fischer, K. M., K. C. Creager, and T. H. Jordan, Mapping the Tonga slab, J. Geophys. Res., 96(9), 14,403-14,427, 1991.
11. Harding, A. J., G. M. Kent, and J. A. Orcutt, A multichannel seismic investigation of upper crustal structure at 9 degrees N on the East Pacific Rise: Implications for crustal accretion, J. Geophys. Res., 98(8), 13,925-13,944, 1993.
12. Harding, A. J., G. M. Kent, and J. A. Collins, Initial results from a multichannel seismic survey of the Lau back-arc basin, Eos Trans. AGU, 81(48), Fall Meet. Suppl., Abstract T61C-16, 2000.
13. Hawkins, J. W., The geology of the Lau Basin, in Backarc Basins: Tectonics and Magnetism, edited by B. Taylor, pp. 63-138, Plenum, New York, 1995.
14. Holbrook, W. S., et al., Structure and composition of the Aleutian island arc and implications for continental crustal growth, Geology, 27(1), 31-34, 1999.
15. Karig, D. E., Ridges and basins of the Tonga-Kermadec island arc system, J. Geophys. Res., 75(2), 239-254, 1970.
16. Kent, G. M., A. J. Harding, and J. A. Orcutt, Distribution of magma beneath the East Pacific Rise between the Clipperton Transform and the 9°17′N deval from forward modeling of common depth point data, J. Geophys. Res., 98(B8), 13,945-13,969, 1993.
17. Koper, K. D., et al., Modeling the Tonga slab: Can travel time data resolve a metastable olivine wedge?, J. Geophys. Res., 103(12), 30,079-30,100, 1998.
18. Linville, A. F., Single-channel digital filter design for seismic applications, Geophysics, 59(10), 1584-1592, 1994.
19. Lonsdale, P., A multibeam reconnaissance of the Tonga Trench axis and its intersection with the Louiseville Guyot chain, Mar. Geophys. Res., 8, 295-327, 1986.
20. McLennan, S. M., and S. R. Taylor, Geochemical constraints on the growth of the continental crust, J. Geol., 90, 347-361, 1982.
21. Mitronovas, W., and B. Isacks, seismic velocity anomalies in the upper mantle beneath the Tonga-Kermadec Island Arc, J. Geophys. Res., 76, 7154-7180, 1971.
22. Morton, J. L., and N. H. Sleep, Seismic reflections from a Lau Basin magma chamber, in Geology and Offshore Resources of Pacific Island Arc-Tonga Region, edited by D. W. Scholl and T. L. Vallier, pp. 441-453; Circum-Pacific Counc. for Energy and Miner. Resour., Houston, Tex., 1985.
23. Parson, L. M., and J. W. Hawkins, Two-stage ridge propagation and the geological history of the Lau backarc basin, Proc. Ocean Drill. Program Sci. Results, 135, 819-828, 1994.
24. Parson, L. M., R. G. Rothwell, and C. J. Macleod, Tectonics and sedimentation in the Lau Basin (southwest Pacific), Proc. Ocean Drill. Program Sci. Results, 135, 9-21, 1994.
25. Pontoise, B., and G. Latham, Etude par refraction de la structure interne de l'arc des Tonga, in Contribution a l'Etude Geodynamique du Sud-Ouest Pacifique, pp. 283-291, ORSTROM Inst., Paris, 1982.
26. Purdy, G. M., et al., Relationship between spreading rate and the seismic structure of mid-ocean ridges, Nature, 355, 815-817, 1992.
27. Raitt, R. W., R. L. Fisher, and R. G. Mason, Tonga trench, Spec. Pap. Geol. Soc. Am., 62, 237-254, 1955.
28. Roth, E. G., et al., Seismic attenuation tomography of the Tonga-Fiji region using phase pair methods, J. Geophys. Res., 104(3), 4795-4809, 1999.
29. Shipboard Scientific Party, Site 834, in Proceedings of the Ocean Drilling Program, Initial Reports, edited by L. Parson et al., pp. 85-180, Ocean Drill. Program, College Station, Tex., 1992a.
30. Shipboard Scientific Party, Site 835, in Proceedings of the Ocean Drilling Program, Initial Reports, edited by L. Parson et al., pp. 181-236, Ocean Drill. Program, College Station, Tex., 1992b.
31. Sohn, R. A., et al., Three-dimensional tomographic velocity structure of upper crust, Coaxial segment, Juan de Fuca Ridge: Implications for on-axis evolution and hydrothermal circulation, J. Geophys. Res., 102(B8), 17,679-17,695, 1997.
32. Spudich, P., and J. Orcutt, A new look at the seismic velocity structure of the oceanic crust, Rev. Geophys., 18(3), 627-645, 1980.
33. Suyehiro, K., et al., Continental crust, crustal underplating, and low-Q upper mantle beneath an oceanic island arc, Science, 272, 390-392, 1996.
34. Taylor, B., et al., Sea-floor spreading in the Lau back-arc basin, Earth Planet. Sci. Lett., 144, 35-40, 1996.
35. Turner, I. M., C. Peirce, and M. C. Sinha, Seismic imaging of the axial region of the Valu Fa Ridge, Lau Basin: The accretionary processes of an intermediate back-arc spreading ridge, Geophys. J. Int., 138(2), 495-519, 1999.
36. White, R. S., D. McKenzie, and R. K. O'Nions, Oceanic crustal thickness from seismic measurements and rare earth element inversions, J. Geophys. Res., 97(B13), 19,683-19,715, 1992.
37. Wright, D. J., et al., Bathymetry of the Tonga trench and forearc: A map series, Mar. Geophys. Res.; 21(5), 489-512, 2000.
38. Xu, Y., and D. A. Wiens, Upper mantle structure of the southwest Pacific from regional waveform inversion, J. Geophys. Res., 102(12), 27,439-27,451, 1997.
39. Zellmer, K. E., and B. Taylor, A three-plate kinematic model for Lau Basin opening, Geochem. Geophys. Geosyst., 2, 2000GC000106, 2001.
40. Zelt, C. A., Modeling strategies and model assessment for wide-angle seismic traveltime data, Geophys. J. Int., 139, 183-204, 1999.
41. Zelt, C. A., and D. A. Forsyth, Modeling wide-angle seismic data for crustal structure: Southeastern Grenville Province, J. Geophys. Res., 99(6), 11,687-11,704, 1994.
42. Zelt, C. A., and R. B. Smith, Seismic traveltime inversion for 2-D crustal velocity structure, Geophys. J. Int., 108, 16-34, 1992.
43. Zhang, Y.-S., and T. Tanimoto, Ridges, hotspots and their interaction as observed in seismic velocity maps, Nature, 355, 45-49, 1992.
44. Zhao, D., et al., Depth extent of the Lau back-arc spreading center and its relation to subduction processes, Science, 278, 254-257, 1997.