An evaluation of factors influencing pore pressure in accretionary complexes: Implications for taper angle and wedge mechanics

Journal of Geophysical Research: Solid Earth

Volumn 111, Issue 4, 2006, Pages

  Saffer, Demian M ^a   Bekins, Barbara A ^b  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

^b U S GEOLOGICAL SURVEY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACCRETIONARY PRISM; GROUNDWATER FLOW; PERMEABILITY; PORE PRESSURE; SEDIMENT THICKNESS; SUBDUCTION ZONE;

EID: 33744931697     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/2005JB003990     Document Type: Article

References (138)

1. Ashi, J., and A. Taira (1992), Structure of the Nankai accretionary prism as revealed from IZANAGI sidescan imagery and multichannel seismic reflection profiling, Island Arc, 1, 104-115.
2. Athy, L. F. (1930), Density, porosity, and compaction of sedimentary rocks, Am. Assoc. Petrol. Geol. Bull., 14, 1-24.
3. Bangs, N., et al. (2004), Evolution of the Nankai Trough décollement zone from the trench into the seismogenic zone: Inferences from 3-D seismic reflection imaging, Geology, 32, 273-276.
4. Behrmann, J. H., and A. Kopf (1993), Textures and microfabrics in fine-grained muds and mudstones from site 808, Nankai accretionary prism, Proc. Ocean Drill. Program Sci. Results, 131, 45-55.
5. Bekins, B. A., and S. J. Dreiss (1992), A simplified analysis of parameters controlling dewatering in accretionary prisms, Earth Planet. Sci. Lett., 109, 275-287.
6. Bekins, B. A., A. McCaffrey, and S. J. Dreiss (1995), Episodic and constant flow models for the origin of low-chloride waters in a modem accretionary complex, Water Resour Res., 31, 3205 - 3215.
7. Bray, C. J., and D. E. Karig (1985), Porosity of sediments in accretionary prisms and some implications for dewatering processes, J Geophys. Res., 90, 768-778.
8. Breen, N., and D. L. Orange (1992), The effects of fluid escape on accretionary wedges: 1. Variable porosity and wedge convexity, J Geophys. Res., 97, 9265-9275.
9. Brown, K., and G. K. Westbrook (1988), Mud diapirism and subcretion in the Barbados Ridge accretionary complex: The role of fluids in accretionary processes, Tectonics, 7, 613-640.
10. Brown, K. M., et al. (1994), Heterogeneous hydrofracture development and accretionary fault dynamics, Geology, 22, 259-262.
11. Brown, K. M., et al. (2003), Compositional and fluid pressure controls on the state of stress on the Nankai subduction thrust: A weak plate boundary, Earth Planet. Sci. Lett., 214, 589-603.
12. Byrne, T., and D. Fisher (1990), Evidence for a weak and overpressured decollement beneath sediment-dominated accretionary prisms, J Geophys. Res., 95, 9081-9097.
13. Byme, T., et al. (1993), Deformation structures and fluid flow in the toe region of the Nankai accretionary prism, Proc. Ocean Drill. Program Sci. Results, 131, 83-101.
14. Carson, B., and E. J. Screaton (1998), Fluid flow in accretionary prisms: Evidence for focused, time-variable discharge, Rev. Geophys., 36, 329-351.
15. Carson, B., and G. K. Westbrook (1995), Modem fluid flow in the Cascadia accretionary wedge: A synthesis, Proc. Ocean Drill. Program Sci. Results, 146, 413-424.
16. Chapple, W. M. (1978), Mechanics of thin-skinned fold-and-thrust belts, Geol. Soc. Am. Bull., 89, 1189-1198.
17. Clift, P., and P. Vannucchi (2004), Controls on tectonic accretion versus erosion in subduction zones: Implications for the origin and recycling of the continental crust, Rev. Geophys., 42, RG2001, doi:10.1029/2003RGO00127.
18. Cochrane, G. R., J. C. Moore, M. E. MacKay, and G. F. Moore (1994), Velocity and inferred porosity model of the Oregon accretionary prism from multichannel seismic reflection data: Implications on sediment dewatering and overpressure, J Geophys. Res., 99, 7033-7043.
19. Dahlen, F. A. (1984), Noncohesive critical Coulomb wedges; an exact solution, J. Geophys. Res., 89, 10,125 -10,133.
20. Davis, D., J. Suppe, and F. A. Dahlen (1983), Mechanics of fold-and-thrust belts and accretionary wedges, J Geophys. Res., 88, 1153-1172.
21. Davis, D. M. (1984), The compressive mechanics of accretionary wedges applied to the Leg 78A study area near Barbados, Initial Rep. Deep Sea Drill. Proj., 78A, 559-569.
22. Davis, D. M. (1996), Accretionary mechanics with properties that vary in space and time, in Subduction: Top to Bottom, Geophys. Monogr Ser, vol. 96, edited by G. E. Bebout et al., pp. 39-48, AGU, Washington, D. C.
23. Davis, D. M., and R. von Hoene (1987), Inferences on sediment strength and fault friction from structures at the Aleutian Trench, Geology, 15, 517-522.
24. Dixon, T. H., et al. (1998), Relative motion between the Caribbean and North American plates and related boundary zone deformation from a decade of GPS observations, J Geophys. Res., 103, 15,157-15, 182.
25. Faugeres, J. C., et al. (1993), Quaternary sandy deposits and canyons on the Venezuelan margin and south Barbados accretionary prism, Mar. Geol., 110, 115-142.
26. Ferguson, I. J., et al. (1993), Heat flow and thermal models of the Barbados Ridge accretionary complex, J Geophys. Res., 98, 4121-4142.
27. Fisher, A. T., and M. W. Hounslow (1990), Transient fluid flow through the toe of the Barbados accretionary complex: Constraints from Ocean Drilling Program Leg 110 heat flow studies and simple models, J Geophys. Res., 95, 8845-8858.
28. Fisher, A. T., and G. Zwart (1996), Relation between permeability and effective stress along a plate-boundary fault, Barbados accretionary complex, Geology, 24, 307-310.
29. Fisher, M. A., et al. (1999), Geologic processes of accretion in the Cascadia subduction zone west of Washington State, Geodynamics, 27, 277-288.
30. Flueh, E. R., et al. (1998), New seismic images of the Cascadia subduction zone from Cruise SO108; ORWELL, Tectonophysics, 293, 69-84.
31. Fowler, S. R., R. S. White, and K. E. Louden (1985), Sediment dewatering in the Makran accretionary prism, Earth Planet. Sci. Lett., 75, 427-438.
32. Ge, S., and G. Garven (1992), Hydromechanical modeling of tectonically driven groundwater flow with application to the Arkoma foreland basin, J Geophys. Res., 97, 9119-9144.
33. Gerdom, M., A. M. Trehu, E. R. Flueh, and D. Klaeschen (2000), The continental margin off Oregon from seismic investigations, Tectonophysics, 329, 79-97.
34. Giambalvo, E. R., et al. (2000), Origin of elevated sediment permeability in a hydrothernial seepage zone, eastern flank of the Juan de Fuca Ridge, and implications for transport of fluid and heat, J Geophys. Res., 105, 913-928.
35. Gieskes, J. M., P. Vrolijk, and G. Blanc (1990), Hydrogeochemistry of the northern Barbados Accretionary complex transect: Ocean Drilling Prograin Leg 110, J Geophys. Res., 95, 8809-8818.
36. Gulick, S. P. S., N. L. B. Bangs, T. H. Shipley, Y. Nakamura, G. Moore, and S. Kurarnoto (2004), Three-dimensional architecture of the Nankai accretionary prism's imbricate thrust zone off Cape Muroto, Japan: Prism reconstruction via en echelon thrust propagation, J. Geophys. Res., 109, B02105, doi:10.1029/2003JB002654.
37. Hayes, D., and S. D. Lewis (1984), A geophysical study of the Manila Trench, Luzon, Philippines: 1. Crustal structure, gravity, and regional tectonic evolution, J. Geophys. Res., 89, 9171-9195.
38. Henry, P. (2000), Fluid flow at the toe of the Barbados accretionary wedge constrained by thermal, chemical, and hydrogeologic observations and models, J Geophys. Res., 105, 25,855-25,872.
39. Henry, P., et al. (2002), Surface expression of fluid venting at the toe of the Nankai wedge and implications for flow paths, Mar. Geol., 187, 119-143.
40. Henry, P., L. Jouniaux, E. J. Screaton, S. Hunze, and D. M. Saffer (2003), Anisotropy of electrical conductivity record of initial strain at the toe of the Nankai accretionary wedge, J. Geophys. Res., 108(B9), 2407, doi: 10. 1029/2002JB002287,
41. Hickman, S. H. (1991), Stress in the lithosphere and the strength of active faults, U.S. Natl. Rep. Int. Union Geod. Geophys. 1987-1990, Rev. Geophys., 29, 759-775.
42. Housen, B. A., et al. (1996), Strain decoupling across the decollement of the Barbados accretionary prism, Geology, 24, 127-130.
43. Hubbert, M. K., and W. W. Rubey (1959), Role of fluid pressure in mechanics of overthrust faulting, Geol. Soc. Am. Bull., 70, 115-166.
44. Hyndman, R. D., et al. (1993a), Velocity, porosity, and pore-fluid loss from the Nankai subduction zone accretionary prism, Proc. Ocean Drill. Program Sci. Results, 131, 211-219.
45. Hyndman, R. D., K. Wang, T. Yuan, and G. D. Spence (1993b), Tectonic sediment thickening, fluid expulsion, and the thermal regime of subduction zone accretionary prisms; the Cascadia margin off Vancouver Island, J. Geophys. Res., 98, 21,865-21,876.
46. Irwin, W. P., and I. Barnes (1975), Effect of geologic structure and metamorphic fluids on seismic behavior of the San Andreas Fault system in central and northern California, Geology, 3, 713-716.
47. Ito, T., S. Yoshioka, and S. Miyazaki (1999), Interplate coupling in southwest Japan deduced from inversion analysis of GPS data, Phys. Earth Planet. Inter., 115, 17-34.
48. Karig, D. E. (1985), The framework of deformation in the Nankai Trough, Initial Rep. Deep Sea Drill. Proj., 87, 927-940.
49. Karig, D. E. (1986), Physical properties and mechanical state of accreted sediments in the Nankai Trough, southwest Japan arc, Mem. Geol. Soc. Am., 166, 117-132.
50. Karig, D. E., and G. F. Sharman III (1975),,Subduction and accretion in trenches, Geol. Soc. Am. Bull., 86, 377-389.
51. Karig, D. E., M. B. Lawrence, G. F. Moore, and J. R. Curray (1980), Structural framework of the fore-arc basin, NW Sumatra, J Geol. Soc. London, 137,77-91.
52. Kastner, M., et al, (1993), Geochemical and isotopic evidence for fluid flow in the western Nankai subduction zone, Japan, Proc. Ocean Drill. Program Sci. Results, 131, 397-413.
53. Kato, A., A. Sakaguchi, S. Yoshida, H. Yamaguchi, and Y. Kaneda (2004), Permeability structure around an ancient exhumed subduction zone fault, Geophys. Res. Lett., 31, L06602, doi:10.1029/2003GLO19183.
54. Kimura, G., et al. (Eds.) (1997), Proceedings of the Ocean Drilling Program, Initial Reports, vol. 170, 458 pp., Ocean Drill. Program, College Station, Tex.
55. Kopf, A., and K. M. Brown (2003), Friction experiments on saturated sediments and their implications for the stress state of the Nankai and Barbados subduction thrusts, Mar Geol., 202, 193-210.
56. Kopp, C., et al. (2000), Structure of the Makran subduction zone from wide-angle and reflection seismic data, Tectonophysics, 329, 171-191.
57. Kopp, H., E. R. Flueh, D. Klaeschen, J. Bialas, and C. Reichert (2001), Crustal structure of the central Sunda margin at the onset of subduction, Geophys. J Int., 147, 449-474.
58. Kukowski, N., et al. (2001), Morphotectonics and mechanics of the central Makran accretionary wedge off Pakistan, Mar Geol., 173, 1-19.
59. Kulm, L. D., et al. (1973), Initial Reports of the Deep Sea Drilling Project, vol. 18, 1077 pp., U.S. Govt. Print. Off., Washington, D. C.
60. Lallemand, S., and X. Le Pichon (1987), Coulomb wedge model applied to the subduction of seamounts in the Japan Trench, Geology, 15, 1065-1069.
61. Lallemand, S. E., P. Schnurle, and J. Malavielle (1994), Coulomb theory applied to accretionary and nonaccretionary wedges: Possible causes for tectonic erosion and/or frontal accretion, J Geophys. Res., 99, 12,033-12, 055.
62. Lamb, S., and P. Davis (2003), Cenozoic climate change as a possible cause for the rise of the Andes, Nature, 425, 792-797.
63. Laursen, J., D. W Scholl, and R. von Huene (2002), Neotectonic deformation of the central Chile margin: Deepwater forearc basin formation in response to hot spot ridge and seamount subduction, Tectonics, 21(5), 1038, doi:10.1029/200ITC901023.
64. Le Pichon, X., P. Henry, and S. Lallemant (1990), Water flow in the Barbados accretionary complex, J. Geophys. Res., 95, 8945-8967.
65. Le Pichon, X., P. Henry, and S. Lallemant (1993), Accretion and erosion in subduction zones: The role of fluids, Anna. Rev. Earth Planet. Sci., 21, 307-331.
66. Logan, J. M., and K. A. Rauenzahn (1987), Frictional dependence of gouge mixtures of quartz and montmorillonite on velocity, composition, and fabric, Tectonophysics, 144, 87-108.
67. MacKay, M. E. (1995), Structural variation and landward vergence at the toe of the Oregon accretionary prism, Tectonics, 14, 1309-1320.
68. MacKay, M. E., et al. (1992), Landward vergence and oblique structural trends in the Oregon margin accretionary prism: Implications and effect on fluid flow, Earth Planet. Sci. Lett., 109, 477-491.
69. Mascle, A., et al. (1988), Proceedings of the Ocean Drilling Program, Initial Reports, Part A, vol. 110, 603 pp., Ocean Drill. Program, College Station, Tex.
70. Matmon, D., and B. A. Bekins (2006), Hydromechanics of a high taper angle, low permeability prism: A case study from Peru, J Geophys. Res., doi: 10. 1029/2005JB003697, in press.
71. McCaffrey, A. M. (1994), The impact of the smectite to illite transformation on fluid flow and solute transport in the Barbados accretionary complex, M.S. thesis, Univ. of Calif., Santa Cruz.
72. McCarthy, J., and D. W. Scholl (1985), Mechanisms of subduction accretion along the central Aleutian Trench, Geol. Soc. Am. Bull., 96, 691-701.
73. McMillen, K. J., R. H. Enkebol, J. C. Moore, T. H. Shipley, and J. W. Ladd (1982), Sedimentation and tectonics, Middle America Trench, southern Mexico and Guatemala, in Trench and Forearc Geology, edited by J. K. Leggett, Geol. Soc. Spec. Publ., 10, 107-119.
74. Minshull, T., and R. White (1984), Sediment compaction and fluid migration in the Makran accretionary prism, J Geophys. Res., 94, 7387-7402.
75. Minshull, T. A., and R. White (1989), Sediment compaction and fluid migration in the Makran accretionary prism, J Geophys. Res., 94, 7387-7402.
76. Miyazaki, S., and K. Heki (2001), Crustal velocity field of southwest Japan: Subduction and arc-arc collision, J. Geophys. Res., 106, 4305-4326.
77. Moore, G. F., J. R. Curray, D. G. Moore, and D. E. Karig (1980), Variations in geological structure along the Sunda Fore Arc, northeastern Indian Ocean, in The Tectonic and Geologic Evolution of Southeast Asian Seas and Islands, Geophys. Monogr Ser, vol. 23, edited by D. E. Hayes, pp. 145-160, Washington, D. C.
78. Moore. G. F., J. R. Curray, and F. J. Emmel (1982), Sedimentation in the Sunda Trench and forearc region, in Trench-Forearc Geology, edited by J. K. Leggett, Geol. Soc. Spec. Publ., 10, 245-258.
79. Moore, G. F., et al. (1990), Structure of the Nankai Trough accretionary zone from multichannel seismic reflection data, J Geophys. Res., 95, 8753-8765.
80. Moore, G. F., et al. (2001), Proceedings of the Ocean Drilling Program, Initial Reports [CD-ROM], vol. 190, Ocean Drill. Program, College Station, Tex.
81. Moore, J. C., and B. Biju-Duval (1984), Tectonic synthesis, Deep Sea Drilling Project Leg 78A; structural evolution of officraped and underthmst sediment, northern Barbados Ridge complex, Initial Rep. Deep Sea Drill. Proj., 78A-78B, 601-621.
82. Moore, J. C., and D. M. Saffer (2001), Updip limit of the seismogenic zone beneath the accretionary prism of southwest Japan: An effect of diagenetic to low-grade metamorphic processes and increasing effective stress, Geology, 29, 183-186.
83. Moore, J. C., and H. Tobin (1997), Estimated fluid pressures of the Barbados accretionary prism and adjacent sediments, Proc. Ocean Drill. Program Sci. Results, 156, 229-238.
84. Moore, J. C and P. Vrolijk (1992), Fluids in accretionary prisms, Rev. Geophys., 30, 113-135.
85. Moore, J. C., et al. (1982), Facies belts of Middle America Trench and forearc region, southern Mexico: Results from Leg 66 DSDP, Trench-forearc geology: sedimentation and tectonics on modem and ancient active plate margins, conference, in Trench-Forearc Geology, edited by J. K. Leggett, Geol. Soc. Spec. Publ., 10, 77-94.
86. Moore, J. C., et al. (1991), EDGE deep seismic reflection transect of the eastern Aleutian arp-trench layered lower crust reveals underplating and continental growth, Geology, 19, 420-424.
87. Moran-Zenteno, D. J., P. Corona-Chave,z, and G. Tolson (1996), Uplift and subduction erosion in southwestern Mexico since the Oligocene: Pluton geobarometry constraints, Earth Planet. Sci. Left., 141, 51-65.
88. Morgan, J. K., and D. E. Karig (1993), Ductile strains in clay-rich sediment from Hole 808C, preliminary'results using X-ray pole figure goniometry, Proc. Ocean Drill. Program Sci. Results, 131, 141-155.
89. Morris, J. D., et al. (2003), Proceedings of the Ocean Drilling Program, Initial Reporti [CD-ROM], vol. 205, 611 pp., Oceah Drill. Program, College Station, Tex.
90. Nelson, P. H. (1994), Permeability-porosity relationships in sedimentary rocks, Log Anal., 38-62.
91. Neuzil, C. E. (1994), How permeable are clays and shales?, Water Resour Res., 30, 145-150.
92. Neuzil, C. E. (1995), Abnormal pressures as hydrodynamic phenomena, Am. J Sci., 295, 742-786.
93. Ogawa, Y, K. Fujioka, K. Fujikura, and Y, Iwabuchi (1996), En echelon patterns'of Calyptogena colonies in the Japan Trench, Geology, 24, 807-810.
94. Platt, J. P. (1986), Dynamics of orogenic wedges and the uplift of high-pressure metamorphic rocks, Geol Soc. Am. Bull., 97, 1037-1053.
95. Polonia, A., et al. (1999), Structural variability at the active continental margin off southernmost Chile, Geodynamics, 27, 277-288.
96. Piell, W. L., et al. (1987), Proceedings of the Ocean Drilling Program, Initial Reports, vol. 117, 1236 pp., Ocean Drill. Program, College Station, Tex.
97. Revil, A., and L. M. Cathles (2002), Fluid transport by solitary waves along growing faults: A field example from the South Eugene Island Basin, Gulf of Mexico, Earth Planet. Sci. Lett., 202, 321-335.
98. Saffer, D. M. (2002), Differences in taper angle along strike of the Nankai accretionary complex: A consequence of lithostratigraphy?, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract H22E-09.
99. Saffer, D. M. (2003), Pore pressure development and progressive dewatering in underthrust sediments at the Costa Rican subduction margin: Comparison with northern Barbados and Nankai, J Geophys. Res., 108(B5), 2261, doi:10.1029/2002JB001787.
100. Saffer, D. M., and B. A. Bekins (1998), Episodic fluid flow in the Nankai accretionary complex: Timescale, geochemistry, flow rates, and fluid budget, J. Geophys, Res., 103, 30,351-30,371.
101. Saffer, D. M., and B. A. Bekins (2002), Hydrologic controls on the mechanics and morphology of accretionary wedges and thrust belts; Geology, 30, 271-274.
102. Schlüter, H.. U., et al. (2002a), The Makran accretionary wedge: Sediment thickness and ages and the origin of mud volcanoes, Mar. GeoL, 185, 219-232.
103. Schlüter, H. U., C. Gaedicke, H, A. Roeser, B. Schreckenberger, H. Meyer, C. Reichert, Y. Djajadihardja and A. Prexl (2002b), Tectonic features of the southern Sumatra-western Java forearc of Indonesia, Tectonics, 21(5), 1047, d6i:10.1029/200ITC001048.
104. Scholz, C. H., (1998), Earthquakesand friction laws, Nature, 391, 37-42.
105. Screaton, E. J., and S. Ge (1997), An assessment of along-strike fluid and heat transport within the Barbados Ridge accietionary complex: Results of preliminary modeling, Geophys. Res. Lett., 24,3085-3088.
106. Screaton, E. J., D. R. Wuthritch, and S. J. Dreiss (1990), Permeabilities, fluid pressures, and flow rates in the Barbados ridge complex, J Geophys. Res., 95, 8997-9007.
107. Screaton, E. J., D. M. Saffer, P. Henry, S. Hunze, and Leg 190 Shipboard Scientific Party (2002), Porosity loss within underthrust sediment of the Nankai accretionary complex: Implications for overpressures, Geology, 30, 19-22.
108. Seeley, D. R. (1977), The significance of landward vergence and oblique structural trends on trench inner slopes, in Island Arcs, Deep Sea Trenches and Back-Arc Basins, Maurice Ewing Ser., vol. 1, edited by M. Talwani and W. C. Pitman, pp. 187-198, AGU, Washington, D. C.
109. Seno, T., S. Stein, and A. E. Gripp (1993), A model for the motion of the Philippine Sea plate consistent with NUVEL-I and geological data, J. Geophys. Res., 98, 17,941-17,948.
110. Shi, Y., and C. Y Wang (1988), Generation of high pore pressures in accretionary prisms: Inferences from the Barbados subduction complex, J. Geophys. Res., 93, 8893-8910.
111. Shipley, T. H., et al. (1994), Seismically inferred dilatancy distribution, northern Barbados ridge décollement: Implications for fluid migration and fault strength, Geology, 22, 411-414.
112. Shipley, T. H., et al. (1995), Proceedings of the Ocean Drilling Program, Initial Reports, vol. 156, 301 pp., Ocean Drill. Program, College Station, Tex.
113. Speed, R. C., et al. (Eds.) (1984), Lesser Antilles Arc and adjacent terranes, in Atlas 10, Reg. Atlas Ser., 27 sheets, Ocean Margin Drill. Program, Mar. Sci. Int., Woods Hole, Mass.
114. Spinelli, G. A., D. M. Saffer, and M. B. Underwood (2006), Hydrogeologic responses to three-dimensional temperature variability, Costa Rica sub-duction margin, J. Geophys. Res., doi: 10: 1029/2004JB00343 6, in press.
115. Stevenson, A. J., D. W. Scholl, and T. L. Vallier (1983), Tectonic and geologic implications of the Zodiac Fan, Aleutian abyssal plain, northeast Pacific, Geol. Soc. Am. Bull., 94, 259-273.
116. Taira, A., et al. (1992), Sediment deformation and hydrogeology of the Nankai Trough accretionary prism: Synthesis of shipboard results of ODP Leg 131, Earth Planet. Sci. Lett., 109, 431-450.
117. Taylor, E., and A. T. Fisher (1993), Sediment permeability at the Nankai accretionary prism, site 808, Proc. Ocean Drill. Program Sci. Results, 131, 235-245.
118. Taylor, E., and J. Leonard (1990), Sediment consolidation and permeability at the Barbados forearc, Proc. Ocean Drill. Program Sci. Results, 110, 289-309.
119. Townend, J., and M. D. Zoback (2000), How faulting keeps the crust strong, Geology, 28, 399-402.
120. Ujiie, K., T. Hisamitsu, and A. Taira (2003), Deformation and fluid pressure variation during initiation and evolution of the plate boundary décollement zone in the Nankai accretionary prism, J Geophys. Res., 108(138), 2398, doi:10.1029/2002JB002314.'
121. Underwood, M. B. (2002), Strike-parallel variation in clay mineralogy, fault vergence, and up-dip limits to the seismogenic zone, Geology, 30, 155-158.
122. Underwood, M. B. (2006), Sediment inputs to subduction zones: Why lithostratigraphy and clay mineralogy matter, in The Seismogenic Zone of Subduction Thrust Faults, edited by T. Dixon et al., Columbia Univ. Press, in press.
123. Underwood, M. B., and S. B. Bachman (1982), Sedimentary facies associations within subduciion complexes, in Trench and Forearc Geology, edited by J. K. Leggett, Geol. Soc. Spec. Publ., 10, 537-550.
124. Underwood, M. B., et al. (1993), Sediment geochemistry, clay mineralogy, and diagenesis: A synthesis of data from leg 131, Nankai Trough, Proc. Ocean Drill. Program Sci. Results, 131, 343-363.
125. Vannucchi, P., D. W. Scholl, M. Meschede, and K. McDougall (2001), Tectonic erosion and consequent collapse of the Pacific margin of Costa Rica: Combined implications from ODP Leg 170, seismic offshore data, and regional geology of the Nicoya Peninsula, Tectonics, 20, 649-668.
126. Von Huene, R., and S. Lallemand (1990), Tectonic erosion along the Japan and Peru convergent margins, Geol. Soc. Am. Bull., 102, 704-720.
127. Voss, C. I. (1984), A finite element simulation model for saturated-unsatu-rated, fluid density-dependent groundwater flow with energy transport or chemically reactive single-species solute transport, U.S. Geol. Surv. Water Resour. Invest. Rep., 84-4369.
128. Wang, K. (1994) Kinematics of dewatering accretionary prisms, J Geophys. Res., 99, 4429-4438.
129. Watkins, J. S., et al. (1981),Initial Reports of the Deep Sea Drilling Project, vol. 66, 864 pp., U.S. Govt. Print. Off., Washington, D. C.
130. Westbrook, G. K. (1982), The Barbados Ridge Complex; tectonics of a mature forearc system, in Trench and Foretihe Geology, edited by J. K. Leggett, Geol. Soc. Spec. Publ., 10, 275-290.
131. Westbrook, G. K., A. Mascle, and B. Biju-Duval (1984), Geophysics and the structure of the Lesser Antilles forearc, Leg 78, Initial Rep. Deep Sea Drill. Proj., 78, 39-48.
132. Westbrook, G. K., J. W. Ladd, P. Buhl, N. Bangs, and G. J. Tiley (1988), Cross section of an accretionary wedge: Barbados Ridge complex, Geology, 16, 631-635.
133. Westbrook, G. K., et al. (1994), Proceedings of the Ocean Drilling Program, Initial Reports; Part 1, vol. 146, 611 pp., Ocean Drill. Program, College Station, Tex.
134. White, R. S. (1984), Active and passive plate boundaries around the Gulf of Oman, north-west Indian Ocean, Deep Sea Res., 31, 731-745.
135. White, R. S., and K. E. Louden (1982), The Makran continental margin: structure of a thickly sedimented convergent plate boundary, in Studies in Continental Geology, edited by J. S. Watkins and C. L. Drake, AAPG Mem., 34, 499-518.
136. Zhang, J. X., D. M. Davis, and T. F. Wong (1993), The brittle-ductile transition in porous sedimentary-rocks: Geological implications for accretionary wedge aseismicity, J Struct. Geol., 15, 819-830.
137. Zhao, W.-L., et al. (1986), Origin of convex accretionary wedges: Evidence from Barbados, J. Geophys. Res., 91, 10,246-10,258.
138. Zwart, G., et al. (1997), Evaluation of hydrogeologic properties of the Barbados accretionary prism: A synthesis of Leg 156 results, Proc. Ocean Drill. Program Sci. Results, 156, 303-310.