Pathway from subducting slab to surface for melt and fluids beneath Mount Rainier

Nature

Volumn 511, Issue 7509, 2014, Pages 338-340

  McGary, R Shane ^a   Evans, Rob L ^a   Wannamaker, Philip E ^b   Elsenbeck, Jimmy ^a   Rondenay, Stéphane ^c  

^a WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

^b UNIVERSITY OF UTAH   (United States)

^c UNIVERSITY OF BERGEN   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

DECOMPRESSION; DEHYDRATION; MELTING; SLAB; SUBDUCTION ZONE; UPPER MANTLE; VOLCANISM;

ADIABATICITY; ARTICLE; DECOMPRESSION; GEOGRAPHIC AND GEOLOGICAL PHENOMENA; MELTING POINT; MOUNTAIN; PRIORITY JOURNAL; SURFACE PROPERTY; UNITED STATES; VOLCANO;

CASCADE RANGE; MOUNT RAINIER; UNITED STATES; WASHINGTON [UNITED STATES];

EID: 84904440760     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature13493     Document Type: Article

References (36)

1. Stern, R. J. Subduction zones. Rev. Geophys. 40, 1012, http://dx.doi.org/10.1029/ 2001RG000108 (2002).
2. Davies, J. H. & Stevenson, D. J. Physicalmodel of source region of subduction zone volcanics. J. Geophys. Res. 97 (B2), 2037-2070 (1992).
3. Hall, P. S. & Kincaid, C. Diapiric flow at subduction zones: a recipe for rapid transport. Science 292, 2472-2475 (2001).
4. Grove, T. L., Chatterjee, N., Parman, S. W. & Medard, E. The influence of H2O on mantle wedge melting. Earth Planet. Sci. Lett. 249, 74-89 (2006).
5. McGary, R. S. The CAFE experiment: a joint seismic and MT investigation of the Cascadia subduction system. PhD thesis, MIT/WHOI Joint Program (2013).
6. Schurr, B., Asch, G., Rietbrock, A., Trumbull, R.&Haberland, C. Complex patterns of fluid and melt transport in the central Andean subduction zone revealed by attenuation tomography. Earth Planet. Sci. Lett. 215, 105-119 (2003).
7. Marschall, H. R.&Schumacher, J. C. Arc magmassourced frommélange diapirs in subduction zones. Nature Geosci. 5, 862-867 (2012).
8. Pearce, J. A.& Peate, D. W. Tectonic implications of the composition of volcanic arc magmas. Annu. Rev. Earth Planet. Sci. 23, 251-285 (1995).
9. Navon, O. & Stolper, E. Geochemical consequences of melt percolation: the upper mantle as a chromatographic column. J. Geol. 95, 285-307 (1987).
10. Daines, M. J. & Kohlstedt, D. L. The transition from porous to channelized flow due to melt/rock reaction during melt migration. Geophys. Res. Lett. 21, 145-148 (1994).
11. England, P. C. & Katz, R. F. Melting above the anhydrous solidus controls the location of volcanic arcs. Nature 467, 700-703 (2010).
12. Mibe, K., Yoshino, T., Ono, S., Yasuda, A. & Fujii, T. Connectivity of aqueous fluid in eclogite and its implications for fluid migration in the Earth's interior. J. Geophys. Res. 108 (B6), 2295, http://dx.doi.org/10.1029/ 2002JB001960 (2003).
13. Grove, T. L., Till, C. B., Lev, E., Chatterjee, N. & Medard, E. Kinematic variables and water transport control the formation and location of arc volcanoes. Nature 459, 694-697 (2009); erratum 460, 1044 (2009).
14. Abers, G. A. et al. Imaging the source region of Cascadia tremor and intermediatedepth earthquakes. Geology 37, 1119-1122 (2009).
15. McNeice, G. W. & Jones, A. G. Multisite, multifrequency tensor decompositions of magnetotelluric data. Geophysics 66, 158-173 (2001).
16. Groom, R. W. & Bailey, R. C. Decomposition of magnetotelluric impedance tensors in the presence of local three-dimensional galvanic distortion. J. Geophys. Res. 94, 1913-1925 (1989).
17. Rodi, W. L. & Mackie, R. L. Nonlinear conjugate gradients algorithm for 2-D magnetotelluric inversion. Geophysics 66, 174-187 (2001).
18. Wannamaker, P. E. et al. Resistivity cross section through the Juan de Fuca subduction system and its tectonic implications. J. Geophys. Res. 94, 14127-14144 (1989).
19. Soyer, W. & Unsworth, M. Deep electrical structure of the northern Cascadia (British Columbia, Canada) subduction zone: implications for the distribution of fluids. Geology 34, 53-56 (2006).
20. Evans, R. L., Wannamaker, P., McGary, R. S. & Elsenbeck, J. Electrical structure of the Central Cascadia subduction zone: the EMSLAB Lincoln line revisited. Earth Planet. Sci. Lett. http://dx.doi.org/10.1016/j.epsl.2013. 04.021 (in the press).
21. Meqbel, N. M., Egbert, G. D., Wannamaker, P. E., Kelbert, A. & Schultz, A. Deep electrical resistivity structure of the northwestern U.S. derived from 3-D inversion ofUSArraymagnetotelluric data. Earth Planet. Sci. Lett. http://dx.doi.org/10.1016/ j.epsl.2013.12.026 (in the press).
22. John, T. & Schenk, V. Partial eclogitization of gabbroic rocks in a late Precambrian subduction zone (Zambia): prograde metamorphism triggered by fluid infiltration. Contrib. Mineral. Petrol. 146, 174-191 (2003).
23. McCrory, P. A., Blair, J. L., Waldhauser, F. & Oppenheimer, D. H. Juan de Fuca slab geometry and its relation to Wadati-Benioff zone seismicity. J. Geophys. Res. 117, B09306 (2012).
24. Ni, H., Keppler, H. & Behrens, H. Electrical conductivity of hydrous basaltic melts: implications for partial melting in the upper mantle. Contrib. Mineral. Petrol. 162, 637-650 (2011).
25. van Keken, P. E., Hacker, B. R., Syracuse, E. M. & Abers, G. A. Subduction factory: 4. Depth-dependent flux of H2O from subducting slabs worldwide. J. Geophys. Res. 116, B01401 (2011).
26. Zhu, W., Gaetani, G. A., Fusseis, F., Montesi, L. G. J. & De Carlo, F. Microtomography of partiallymolten rocks: three-dimensional melt distribution inmantle peridotite. Science 332, 88-91 (2011).
27. Defant, M. J. & Drummond, M. S. Derivation of some modern arc magmas by melting of young subducted lithosphere. Nature 347, 662-665 (1990).
28. Stockstill, K. R., Vogel, T. A. & Sisson, T. W. Origin andemplacement of the andesite of Burroughs Mountain, a zoned, large-volume lava flow at Mount Rainier, Washington, USA. J. Volcanol. Geotherm. Res. 119, 275-296 (2003).
29. Egbert, G. D. & Booker, J. R. Imaging crustal structure in southwestern Washington with small magnetometer arrays. J. Geophys. Res. 98 (B9), 15967-15985 (1993).
30. Worzewski, T., Jegen, M.,Kopp, H., Brasse, H.&Castillo, W. T.Magnetotelluric image of the fluid cycle in the Costa Rican subduction zone. Nature Geosci. 4, 108-111 (2011).
31. Chave, A. D. & Thompson, D. J. Bounded influence magnetotelluric response function estimation. Geophys. J. Int. 157, 988-1006 (2004).
32. Egbert, G. D. Robust multiple station magnetotelluric data processing. Geophys. J. Int. 130, 475-496 (1997).
33. Caldwell, T. G., Bibby, H. M. & Brown, C. The magnetotelluric phase tensor. Geophys. J. Int. 158, 457-469 (2004).
34. Simpson, F. & Bahr, K. Practical Magnetotellurics 93-98 (Cambridge Univ. Press, 2005).
35. Patro, P. K. & Egbert, G. D. Regional conductivity structure of Cascadia: preliminary results from 3D inversion of USArray transportable array magnetotelluric data. Geophys. Res. Lett. 35, L20311 (2008).
36. Matsuno, T. et al. Uppermantle electrical resistivity structure beneath the central Mariana subduction system. Geochem. Geophys. Geosyst. 11, Q09003 (2010).