Electrical conductivity imaging of the Philippine Sea upper mantle using seafloor magnetotelluric data

Physics of the Earth and Planetary Interiors

Volumn 183, Issue 1-2, 2010, Pages 44-62

  Baba, Kiyoshi ^a   Utada, Hisashi ^a   Goto, Tada Nori ^b,c   Kasaya, Takafumi ^a,c   Shimizu, Hisayoshi ^a   Tada, Noriko ^a,c  

^a UNIVERSITY OF TOKYO   (Japan)

^b KYOTO UNIVERSITY   (Japan)

^c JAPAN AGENCY FOR MARINE EARTH SCIENCE AND TECHNOLOGY   (Japan)

Author keywords

Electrical conductivity; Marine magnetotellurics; Philippine Sea; Stagnant slab; Upper mantle

Indexed keywords

ELECTRICAL CONDUCTIVITY; MAGNETOTELLURICS; PHILIPPINE SEA; STAGNANT SLAB; UPPER MANTLE;

ELECTRIC CONDUCTIVITY; HYDRATION; IMAGING TECHNIQUES;

THREE DIMENSIONAL;

COMPUTER SIMULATION; ELECTRICAL CONDUCTIVITY; ELECTROMAGNETIC SURVEY; EXPERIMENTAL STUDY; HYDRATION; IMAGE ANALYSIS; MAGNETOTELLURIC METHOD; MANTLE STRUCTURE; OCEANIC LITHOSPHERE; ONE-DIMENSIONAL MODELING; SEAFLOOR MAPPING; THERMAL STRUCTURE; THREE-DIMENSIONAL MODELING; UPPER MANTLE;

PACIFIC OCEAN; PHILIPPINE SEA;

EID: 78649447610     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2010.09.010     Document Type: Article

References (53)

1. Aubaud C., Hauri E.H., Hirschmann M.M. Hydrogen partition coefficients between nominally anhydrous minerals and basaltic melts. Geophys. Res. Lett. 2004, 31:L20611. 10.1029/2004GL021341.
2. Baba K., Chave A.D. Correction of seafloor magnetotelluric data for topographic effects during inversion. J. Geophys. Res. 2005, 110:B12105. 10.1029/2004JB003463.
3. Baba K., Seama N. A new technique for the incorporation of seafloor topography in electromagnetic modelling. Geophys. J. Int. 2002, 150:392-402.
4. Baba K., Seama N., Goto T., Ichiki M., Schwalenberg K., Utada H., Suyehiro K. Electrical structure of the upper mantle in the Mariana subduction system, IFREE report 2003-2004. Frontier Research on Earth Evolution 2005, 2.
5. Caldwell T.G., Bibby H.M., Brown C. The magnetotelluric phase tensor. Geophys. J. Int. 2004, 158:457-469. 10.1111/j.1365-246X.2004.02281.x.
6. Chave A.D., Smith J.T. On electric and magnetic galvanic distortion tensor decompositions. J. Geophys. Res. 1994, 99(B3):4669-4682.
7. Chave A.D., Thomson D.J. Bounded influence magnetotelluric response function estimation. Geophys. J. Int. 2004, 157:988-1006. 10.1111/j.1365-246X.2004.02203.x.
8. Constable S. SEO3: a new model of olivine electrical conductivity. Geophys. J. Int. 2006, 166:435-437. 10.1111/j.1365-246X.2006.03041.x.
9. Constable S., Cox C.S. Marine controlled-source electromagnetic sounding. 2. The PEGASUS experiment. J. Geophys. Res. 1996, 101(B3):5519-5530.
10. Constable S.C., Parker R.L., Constable C.G. Occam's inversion: a practical algorithm for generating smooth models from electromagnetic sounding data. Geophysics 1987, 52(3):289-300.
11. Cox C.S., Constable S.C., Chave A.D., Webb S.C. Controlled-source electromagnetic sounding of the oceanic lithosphere. Nature 1986, 320:52-54.
12. Fukao Y., Widiyantoro S., Obayashi M. Stagnant slabs in the upper and lower mantle transition region. Rev. Geophys. 2001, 39:291-323.
13. Fukao Y., Koyama T., Obayashi M., Utada H. Trans-Pacific temperature field in the mantle transition region derived from seismic and electromagnetic tomography. Earth Planet. Sci. Lett. 2004, 217:425-434.
14. Goto T., Kasaya T., Mikada H., Kinoshita M., Suyehiro K., Kimura T., Ashida Y., Watanabe T., Yamane K. Electromagnetic survey of fluid distribution and migration-An example at the Nankai seismogenic zone. BUTSURI-TANSA 2003, 56(6):439-451. (in Japanese).
15. Hashin Z., Shtrikman S. A Variational approach to the theory of the effective magnetic permeability of multiphase materials. J. Appl. Phys. 1962, 33(10):3125-3131.
16. Heinson G.S., Lilley F.E.M. An application of thin-sheet electromagnetic modelling to the Tasman Sea. Phys. Earth Planet. Int. 1993, 81:231-251.
17. Hirschmann M.M., Aubaud C., Withers A.C. Storage capacity of H2O in nominally anhydrous minerals in the upper mantle. Earth Planet. Sci. Lett. 2005, 236:167-181. 10.1016/j.epsl.2005.04.022.
18. International Association of Geomagnetism and Aeronomy (IAGA), Division V, Working Group VMOD: Geomagnetic Field Modeling, 2005. The 10th-generation of international geomagnetic reference field. Geophys. J. Int. 161, 561-565, doi:10.1111/j.1365-246X.2005.02641.x.
19. Ichiki M., Baba K., Obayashi M., Utada H. Water content and geotherm in the upper mantle above the stagnant slab: interpretation of electrical conductivity and seismic P-wave velocity models. Phys. Earth Planet. Int. 2006, 155:1-15. 10.1016/j.pepi.2005.09.010.
20. Karato S. The role of hydrogen in the electrical conductivity of the upper mantle. Nature 1990, 347:272-273.
21. Kasaya T., Goto T., Mikada H., Baba K., Suyehiro K., Utada H. Resistivity image of the Philippine Sea Plate around the 1944 Tonankai earthquake zone deduced by Marine and Land MT surveys. Earth Planets Space 2005, 57:209-213.
22. Kasaya, T., Goto, T., Baba, K., Utada, H., Toh, H., Seama, N., Nogi, Y., Ichiki, M., Ichikita, T., Ohnishi, N., in preparation, Development of a long-term Ocean bottom electro-magnetometer and evaluation using the three years data.
23. Kawakatsu H., Kumar P., Takei Y., Shinohara M., Kanazawa T., Araki E., Suyehiro K. Seismic evidence for sharp lithosphere-asthenosphere boundaries of oceanic plates. Science 2009, 324:499-502. 10.1126/science.1169499.
24. Lizarralde D., Chave A., Hirth G., Schultz A. Northeastern Pacific mantle conductivity profile from long-period magnetotelluric sounding using Hawaii-to-California submarine cable data. J. Geophys. Res. 1995, 100(B9):17837-17854.
25. Matsuno T., Seama N., Evans R.L., Chave A.D., Baba K., White A., Goto T., Heinson G., Boren G., Yoneda A., Utada H. Upper mantle electrical resistivity structure beneath the central Mariana subduction system. Geochem. Geophys. Geosyst. 2010, 11(9):Q09003. 10.1029/2010GC003101.
26. Michael P.J. The concentration, behavior and storage of H2O in the suboceanic upper mantle: implications for mantle metasomatism. Geochem. Cosmochim. Acta 1988, 52:555-566.
27. Müller R.D., Sdrolias M., Gaina C., Roest W.R. Age, spreading rates, and spreading asymmetry of the world's ocean crust. Geochem. Geophys. Geosyst. 2008, 9(4). 10.1029/2007GC001743.
28. National Geophysical Data Center, National Oceanic and Atmospheric Administration, U.S. Dept. of Commerce, ETOPO2v2 Global Gridded 2-minute Database, http://www.ngdc.noaa.gov/mgg/global/etopo2.html.
29. Nolasco R., Tarits P., Filloux J.H., Chave A.D. Magnetotelluric imaging of the Society Islands hotspot. J. Geophys. Res. 1998, 103(B12):30287-30309.
30. Obayashi M., Yoshimitsu J., Fukao Y. Tearing of stagnant slab. Science 2009, 324:1173-1175. 10.1126/science.1172496.
31. Parker R.L., Booker J.R. Optimal one-dimensional inversion and bounding of magnetotelluric apparent resistivity and phase measurements. Phys. Earth Planet. Int. 1996, 98:269-282.
32. Parsons B., Sclater J.G. An analysis of the variation of ocean floor bathymetry and heat flow with age. J. Geophys. Res. 1977, 82(5):803-827.
33. Seama N., Baba K., Utada H., Toh H., Tada N., Ichiki M., Matsuno T. 1-D electrical conductivity structure beneath the Philippine Sea: results from an ocean bottom magnetotelluric survey. Phys. Earth Planet. Int. 2007, 162:2-12. 10.1016/j.pepi.2007.02.014.
34. Shimizu H., Koyama T., Baba K., Utada H. Revised 1-D mantle electrical conductivity structure beneath the north Pacific. Geophys. J. Int. 2010, 180:1030-1048. 10.1111/j.1365-246X.2009.04466.x.
35. Shimizu, H., Utada, H., Baba, K., Koyama, T., Obayashi, M., Fukao, Y., 2010b. Three-dimensional imaging of electrical conductivity in the mantle transition zone beneath the North Pacific Ocean by a semi-global induction study. Phys. Earth Planet. Int., doi:10.1016/j.pepi.2010.01.010.
36. Shiobara H., Baba K., Utada H., Fukao Y. Ocean bottom array probes stagnant slab beneath the Philippine Sea. Eos Trans. AGU 2009, 90(9):70-71.
37. Stein C.A., Stein S. A model for the global variation in oceanic depth and heat flow with lithospheric age. Nature 1992, 359:123-129.
38. Swift Jr., C.M., 1967. A magnetotelluric investigation of an electrical conductivity anomaly in the southwestern United States. Ph.D. thesis, Mass. Inst. of Tech.
39. Toh, H., 1993. Electrical conductivity structure of the Izu-Bonin arc revealed by seafloor electromagnetic observations. Ph.D. thesis, University of Tokyo.
40. Toh H., Hamano Y., Ichiki M. Long-term seafloor geomagnetic station in the northwest Pacific: A possible candidate for a seafloor geomagnetic observatory. Earth Planets space 2006, 58:697-705.
41. Tyburczy J.A., Waff H.S. Electrical conductivity of molten basalt and andesite to 25 kilobars pressure: geophysical significance and implications for charge transport and melt structure. J. Geophys. Res. 1983, 88(B3):2413-2430.
42. Utada H., Hamno Y., Yukutake T. A two-dimensional conductivity model across central Japan. J. Geomag. Geoelectr. 1986, 38:447-473.
43. Utada H., Hamano Y., Segawa J. Conductivity anomaly around the Japanese islands. Geology and Geophysics of the Japan Sea 1996, 103-149. Japan-USSR Monogr. Ser. 1, Terra Sci. Publ. Co. Ltd. N. Isezaki, A. et (Eds.).
44. Utada, H., Hibiya, N., Uyeshima, M., Shimizu, H., Mikada, H., Goto, T., Kawaguchi, K., 2005. An experimental study of the Earth's electric field. Report of grant-in-aid for scientific research, No.14204041 (in Japanese).
45. Utada H., Koyama T., Obayashi M., Fukao Y. A joint interpretation of electromagnetic and seismic tomography models suggests the mantle transition zone below Europe is dry. Earth Planet. Sci. Lett. 2009, 281:249-257. 10.1016/j.epsl.2009.02.027.
46. Utada H., Yoneda A., Shimizu H., Baba K., Palshin N. Effect of Sq variations on the electromagnetic response functions in the period range between 3hours and 1 day. Abstract for 19th international workshop on electromagnetic induction in the Earth 2008.
47. Wang D., Mookherjee M., Xu Y., Karato S. The effect of water on the electrical conductivity of olivine. Nature 2006, 443:977-980. 10.1038/nature05256.
48. Wessel P., Smith W.H.F. New, improved version of the generic mapping tools released. Eos Trans. AGU 1998, 79:579.
49. Xu Y., Shankland T.J., Poe B.T. Laboratory-based electrical conductivity in the Earth's mantle. J. Geophys. Res. 2000, 105(B12):27865-27875.
50. Yamazaki T., Seama N., Okino K., Kitada K., Joshima M., Oda H., Naka J. Spreading process of the northern Mariana Trough: rifting-spreading transition at 22°N. Geochem. Geophys. Geosyst. 2003, 4(9):1075. 10.1029/2002GC000492.
51. Yoneda, A., 2008. On topographic effect in seafloor elegromagnetic response functions. Ms. thesis, University of Tokyo, in Japanese.
52. Yoshino T., Matsuzaki T., Yamashita S., Katsura T. Hydrous olivine unable to account for conductivity anomaly at the top of the asthenosphere. Nature 2006, 443:973-976. 10.1038/nature05223.
53. Yoshino T., Manthilake G., Matsuzaki T., Katsura T. Dry mantle transition zone inferred from the conductivity of wadsleyite and ringwoodite. Nature 2008, 451:326-329. 10.1038/nature06427.