Diapirs as the source of the sediment signature in arc lavas (original) (raw)

References

  1. Kessel, R., Schmidt, M. W., Ulmer, P. & Pettke, T. Trace element signature of subduction-zone fluids, melts and supercritical liquids at 120–180 km depth. Nature 437, 724–727 (2005).
    Article Google Scholar
  2. Plank, T. & Langmuir, C. H. Tracing trace elements from sediment input to volcanic output at subduction zones. Nature 362, 739–743 (1993).
    Article Google Scholar
  3. Elliott, T., Plank, T., Zindler, A., White, W. & Bourdon, B. Element transport from slab to volcanic front at the Mariana arc. J. Geophys. Res. 102, 14991–15019 (1997).
    Article Google Scholar
  4. Hawkesworth, C. J., Turner, S. P., McDermott, F., Peate, D. W. & van Calsteren, P. U–Th isotopes in arc magmas: Implications for element transfer from the subducted crust. Science 276, 551–555 (1997).
    Article Google Scholar
  5. van Keken, P. E., Kiefer, B. & Peacock, S. M. High-resolution models of subduction zones: Implications for mineral dehydration reactions and the transport of water into deep mantle. Geochem. Geophys. Geosyst. 3, 1056 (2002).
    Article Google Scholar
  6. Kelemen, P. B., Rilling, J. L., Parmentier, E. M., Mehl, L. & Hacker, B. R. in Inside the Subduction Factory Vol. 138 (ed. Eiler, J.) 293–311 (Geophysical Monograph, AGU, 2003).
    Book Google Scholar
  7. Peacock, S. M. et al. Thermal structure of the Costa Rica–Nicaragua subduction zone. Phys. Earth Planet. Inter. 149, 187–200 (2005).
    Article Google Scholar
  8. Wada, I. & Wang, K. Common depth of slab-mantle decoupling: Reconciling diversity and uniformity of subduction zones. Geochem. Geophys. Geosyst. 10, Q10009 (2009).
    Article Google Scholar
  9. Nichols, G. T., Wyllie, P. J. & Stern, C. R. Subduction zone melting of pelagic sediments constrained by melting experiments. Nature 371, 785–788 (1994).
    Article Google Scholar
  10. Schmidt, M. W., Vielzeuf, D. & Auzanneau, E. Melting and dissolution of subducting crust at high pressures: The key role of white mica. Earth Planet. Sci. Lett. 228, 65–84 (2004).
    Article Google Scholar
  11. Plank, T., Cooper, L. B. & Manning, C. E. Emerging geothermometers for estimating slab surface temperatures. Nature Geosci. 2, 611–615 (2009).
    Article Google Scholar
  12. Hermann, J. & Rubatto, D. Accessory phase control on the trace element signature of sediment melts in subduction zones. Chem. Geol. 265, 512–526 (2009).
    Article Google Scholar
  13. Hermann, J. & Spandler, C. J. Sediment melts at sub-arc depths: An experimental study. J. Petrol. 49, 717–740 (2008).
    Article Google Scholar
  14. Kelemen, P. B., Hanghøj, K. & Greene, A. R. in The Crust Vol. 3 (ed. Rudnick, R. L.) 593–659 (Treatise on Geochemistry, Elsevier, 2003).
    Google Scholar
  15. Castro, A. & Gerya, T. V. Magmatic implications of mantle wedge plumes: Experimental study. Lithos 103, 138–148 (2008).
    Article Google Scholar
  16. Yin, A. et al. Early paleozoic tectonic and thermomechanical evolution of ultrahigh-pressure (UHP) metamorphic rocks in the northern Tibetan plateau, northwest China. Int. Geol. Rev. 49, 681–716 (2007).
    Article Google Scholar
  17. Gerya, T. V. & Yuen, D. A. Rayleigh–Taylor instabilities from hydration and melting propel ‘cold plumes’ at subduction zones. Earth Planet. Sci. Lett. 212, 47–62 (2003).
    Article Google Scholar
  18. Becker, H., Jochum, K. P. & Carlson, R. W. Trace element fractionation during dehydration of eclogites from high-pressure terranes and the implications for element fluxes in subduction zones. Chem. Geol. 163, 65–99 (2000).
    Article Google Scholar
  19. Bebout, G. E., Ryan, J. G., Leeman, W. P. & Bebout, A. E. Fractionation of trace elements by subduction-zone metamorphism—effect of convergent-margin thermal evolution. Earth Planet. Sci. Lett. 171, 63–81 (1999).
    Article Google Scholar
  20. Busigny, V., Cartigny, P., Philippot, P., Ader, M. & Javoy, M. Massive recycling of nitrogen and other fluid-mobile elements (K, Rb, Cs, H) in a cold slab environment: Evidence from HP to UHP oceanic metasediments of the Schistes Lustrés nappe (western Alps, Europe). Earth Planet. Sci. Lett. 215, 27–42 (2003).
    Article Google Scholar
  21. Hermann, J. & Green, D. H. Experimental constraints on high pressure melting in subducted crust. Earth Planet. Sci. Lett. 188, 149–168 (2001).
    Article Google Scholar
  22. Thomsen, T. B. & Schmidt, M. W. Melting of carbonated pelites at 2.5–5.0 GPa, silicate–carbonatite liquid immiscibility, and potassium–carbon metasomatism of the mantle. Earth Planet. Sci. Lett. 267, 17–31 (2008).
    Article Google Scholar
  23. Johnson, M. C. & Plank, T. Dehydration and melting experiments constrain the fate of subducted sediments. Geochem. Geophys. Geosyst. 1, 1007 (1999).
    Google Scholar
  24. Klimm, K., Blundy, J. D. & Green, T. H. Trace element partitioning and accessory phase saturation during H2O-saturated melting of basalt with implications for subduction zone chemical fluxes. J. Petrol. 49, 523–553 (2008).
    Article Google Scholar
  25. Massonne, H-J., Kennedy, A., Nasdala, L. & Theye, T. Dating of zircon and monazite from diamondiferous quartzofeldspathic rocks of the Saxonian Erzgebirge. Mineral. Mag. 71, 407–425 (2007).
    Article Google Scholar
  26. Skora, S. & Blundy, J. High-pressure hydrous phase relations of radiolarian clay and implications for the involvement of subducted sediment in arc magmatism. J. Petrol. 51, 2211–2243 (2010).
    Article Google Scholar
  27. Sharp, Z. D., Essene, E. J. & Smyth, J. R. Ultra-high temperatures from oxygen isotope thermometry of a coesite-sanidine grospydite. Contrib. Mineral. Petrol. 122, 358–370 (1992).
    Article Google Scholar
  28. Gorczyk, W., Gerya, T. V., Connolly, J. A. D., Yuen, D. A. & Rudolph, M. Large-scale rigid-body rotation in the mantle wedge and its implications for seismic tomography. Geochem. Geophys. Geosyst. 7, Q05018 (2006).
    Article Google Scholar
  29. Currie, C. A., Beaumont, C. & Huismans, R. S. The fate of subducted sediments: A case for backarc intrusion and underplating. Geology 35, 1111–1114 (2007).
    Article Google Scholar
  30. Plank, T. & Langmuir, C. H. The chemical composition of subducting sediment and its consequences for the crust and mantle. Chem. Geol. 145, 325–394 (1998).
    Article Google Scholar
  31. Houseman, G. A. & Molnar, P. Gravitational (Rayleigh–Taylor) instability of a layer with non-linear viscosity and convective thinning of continental lithosphere. Geophys. J. Int. 128, 125–150 (1997).
    Article Google Scholar
  32. Marsh, B. D. Island arc development: Some observations, experiments, and speculations. J. Geol. 87, 687–713 (1979).
    Article Google Scholar
  33. Whitehead, J. A. Jr & Luther, D. S. Dynamics of laboratory diapir and plume models. J. Geophys. Res. 80, 705–717 (1975).
    Article Google Scholar
  34. Conrad, C. P. & Molnar, P. The growth of Rayleigh–Taylor-type instabilities in the lithosphere for various rheological and density structures. Geophys. J. Int. 129, 95–112 (1997).
    Article Google Scholar
  35. Jull, M. & Kelemen, P. B. On the conditions for lower crustal convective instability. J. Geophys. Res. 106, 6423–6446 (2001).
    Article Google Scholar
  36. Hirth, G. & Kohlstedt, D. L. in Inside the Subduction Factory Vol. 138 (ed. Eiler, J.) 83–105 (Geophysical Monograph, AGU, 2003).
    Book Google Scholar
  37. Hirth, G., Teyssier, C. & Dunlap, W. J. An evaluation of quartzite flow laws based on comparisons between experimentally and naturally deformed rocks. Int. J. Earth Sci. 90, 77–87 (2001).
    Article Google Scholar
  38. Clift, P. D. & Vannucchi, P. Controls on tectonic accretion versus erosion in subduction zones: Implications for the origin and recycling of the continental crust. Rev. Geophys. 42, RG2001 (2004).
    Article Google Scholar
  39. von Huene, R. & Scholl, D. W. Observations at convergent margins concerning sediment subduction, subduction erosion, and the growth of continental crust. Rev. Geophys. 29, 279–316 (1991).
    Article Google Scholar
  40. Hall, P. S. & Kincaid, C. Diapiric flow at subduction zones: A recipe for rapid transport. Science 292, 2472–2475 (2001).
    Article Google Scholar
  41. Behn, M. D., Hirth, G. & Kelemen, P. B. Trench-parallel anisotropy produced by foundering of arc lower crust. Science 317, 108–111 (2007).
    Article Google Scholar
  42. Hacker, B. R. H2O subduction beyond arcs. Geochem. Geophys. Geosyst. 9, Q03001 (2008).
    Article Google Scholar
  43. Gorman, P. J., Kerrick, D. M. & Connolly, J. A. D. Modeling open system metamorphic decarbonation of subducting slabs. Geochem. Geophys. Geosyst. 7, Q04007 (2006).
    Article Google Scholar
  44. Kerrick, D. M. & Connolly, J. A. D. Metamorphic devolatilization of subducted oceanic metabasalts: Implications for seismicity, arc magmatism and volatile recycling. Earth Planet. Sci. Lett. 189, 19–29 (2001).
    Article Google Scholar
  45. Molina, J. F. & Poli, S. Carbonate stability and fuid composition in subducted oceanic crust: An experimental study on H2O–CO2-bearing basalts. Earth Planet. Sci. Lett. 176, 295–310 (2000).
    Article Google Scholar
  46. Varekamp, J. C. & Thomas, E. Volcanic and anthropogenic contributions to global weathering budgets. J. Geochem. Expl. 62, 149–159 (1998).
    Article Google Scholar
  47. Berner, R. A. & Kothavala, Z. GEOCARB III: A revised model of atmospheric CO2 over Phanerozoic time. Am. J. Sci. 301, 182–204 (2001).
    Article Google Scholar
  48. Connolly, J. A. D. Computation of phase equilibria by linear programming: A tool for geodynamic modeling and its application to subduction zone decarbonation. Earth Planet. Sci. Lett. 236, 524–541 (2005).
    Article Google Scholar
  49. Holland, T. & Powell, R. Calculation of phase relations involving haplogranitic melts using an internally consistent thermodynamic dataset. J. Petrol. 42, 673–683 (2001).
    Article Google Scholar
  50. Behn, M. D. & Kelemen, P. B. The relationship between seismic P-wave velocity and the composition of anhydrous igneous and meta-igneous rocks. Geochem. Geophys. Geosyst. 4, 1041 (2003).
    Article Google Scholar

Download references