Fluid expulsion and overpressure development during initial subduction at the Costa Rica convergent margin

Earth and Planetary Science Letters

Volumn 233, Issue 3-4, 2005, Pages 361-374

  Screaton, Elizabeth J ^a   Saffer, Demian M ^b  

^a UNIVERSITY OF FLORIDA   (United States)

^b UNIVERSITY OF WYOMING   (United States)

Author keywords

Compaction; Costa Rica; Overpressures; Permeability; Subduction

Indexed keywords

COMPACTION RATES; FLUID EXPLOSION; PELAGIC CARBONATES; PORE PRESSURES;

CARBONATES; COMPACTION; FLUID DYNAMICS; GEOGRAPHICAL REGIONS; POROSITY; PRESSURE EFFECTS; SEDIMENTS; THICKNESS MEASUREMENT;

TECTONICS;

FLUID EXPULSION; OVERPRESSURE; PLATE BOUNDARY; SEDIMENT PROPERTY; SUBDUCTION ZONE;

COSTA RICAN MARGIN; OCEANIC REGIONS; PACIFIC OCEAN; WORLD;

EID: 18344384958     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2005.02.017     Document Type: Article

References (26)

1. J.D. Bredehoeft B.B. Hanshaw On the maintenance of anomalous fluid pressure. I: Thick sedimentary sequences Geol. Soc. Amer. Bull. 79 1968 1097-1106
2. X. Le Pichon P. Henry S. Lallemant Accretion and erosion in subduction zones: The role of fluids Annu. Rev. Earth Planet. Sci. 21 1993 307-331
3. D.M. Saffer 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 2003 doi:10.1029/2002JB001787
4. J.C. Moore D.M. Saffer 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 2001 183-186
5. G. Kimura, E. Silver, P. Blum, et al., Proc. ODP, Init. Reports 170, Texas A & M University, Ocean Drilling Program, College Station, TX, USA (1997) (458 pp).
6. D.M. Saffer E.A. Silver A.T. Fisher H.J. Tobin K. Moran Inferred pore pressures at the Costa Rica subduction zone: Implications for dewatering processes Earth Planet. Sci. Lett. 177 2000 193-207
7. S. Saito D. Goldberg Compaction and dewatering processes of the oceanic sediments in the Costa Rica and Barbados subduction zones: Estimates from in situ physical property measurements Earth Planet. Sci. Lett. 191 2001 283-293
8. A.J. Bolton P. Vannucchi M.B. Clennell A. Maltman Microstructural and geomechanical constraints on fluid flow at the Costa Rica convergent margin, Ocean Drilling Program Leg, 170 Proc. ODP Sci. Results vol. 170 2000 Available from World Wide Web: Http://www.odp.tamu.edu/ publications/170_SR/schap_04/chap_04.htm.
9. E.A. Silver Leg 170: Synthesis of fluid-structural relationships of the Pacific Margin of Costa Rica Proc. ODP Sci. Results vol. 170 2000 1-11
10. B.A. Housen T. Kanamatsu Magnetic fabrics from the Costa Rica margin: sediment deformation during the initial dewatering and underplating process Earth Planet. Sci. Lett. 206 2003 215-228
11. H. Tobin P. Vannucchi M. Meschede Structure, inferred mechanics, and implications for fluid transport in the décollement zone, Costa Rica convergent margin Geology 29 2001 907-910
12. J.D. Morris H.W. Villinger A. Klaus Proc. ODP, Initial Rep. 205 2003 ([Online] Available from World-wide web: Http://www-odp.tamu.edu/ publications/205_IR/205ir.htm)
13. L.-H. Chan M. Kastner Lithium isotopic compositions of pore fluids and sediments in the Costa Rica subduction zone: Implications for fluid processes and sediment contribution to the arc volcanoes Earth Planet. Sci. Lett. 183 2001 275-290
14. G.A. Spinelli D.M. Saffer Along-strike variation in underthrust sediment dewatering on the Nicoya Margin, Costa Rica related to the updip limit of seismicity Geophys. Res. Lett. 31 2004 doi: 10.1029/2003/GL018863
15. E.J. Screaton D.R. Wuthrich S.J. Dreiss Fluid flow within the Barbados Ridge complex. Part I: Dewatering within the toe of the prism Proc. Ocean Drill. Program Sci. Results 110 1990 321-329
16. B.A. Bekins A. McCaffrey S.J. Dreiss Episodic and constant flow models for the origin of low-chloride waters in a modern accretionary complex Water Resour. Res. 31 1995 3205-3215
17. D.M. Saffer B.A. Bekins Episodic fluid flow in the Nankai accretionary complex: Timescale, geochemistry, flow rates and fluid budget J. Geophys. Res. 103 1998 30351-30370
18. C.E. Neuzil Groundwater flow in low-permeability environments Water Resour. Res. 22 1986 1163-1195
19. C.I. Voss A finite element simulation model for saturated-unsaturated, fluid density-dependent groundwater flow with energy transport or chemically-reactive single-species solute transport Water-Resour. Invest. U. S. Geol. Surv. 84-4369 1984 (409 pp.)
20. L.F. Athy Density, porosity, and compaction of sedimentary rocks AAPG Bull. 14 1930 1-24
21. U.T. Mello G.D. Karner R.N. Anderson A physical explanation for the positioning of the depth to the top of overpressures in shale-dominated sequences in the Gulf Coast basin, United States J. Geophys. Res. 99 1994 2775-2789
22. C.E. Neuzil How permeable are clays and shales? Water Resour. Res. 30 1994 145-150
23. A. McKiernan, D. Saffer, Permeability and consolidation properties of sediments incoming to the Costa Rican subduction zone, collected on ODP Leg 205, Proc. ODP Sci. Results, 205 (in press).
24. K. Gamage E. Screaton Data report: Permeabilities of Nankai accretionary prism sediments In: H. Mikada G.F. Moore A. Taira K. Becker J.C. Moore A. Klaus (eds.) Proc. ODP Sci. Results vol. 190/196 2003 1-21 http://www-odp.tamu.edu/publications/190196SR/VOLUME/CHAPTERS/213.PDF
25. D.M. Saffer E.J. Screaton Fluid flow pathways at the toe of convergent margins: Interpretation of sharp geochemical gradients Earth Planet. Sci. Lett. 213 2003 261-270
26. K. Gamage E. Screaton Data report: Permeabilities of Nankai accretionary prism sediments In: H. Mikada G.F. Moore A. Taira K. Becker J.C. Moore A. Klaus (eds.) \Proc. ODP Sci. Results vol. 190/196 2003 1-21