Modeling of slab penetration and stagnation processes

2008 Fiscal Year Final Research Report

• Project/Area Number: 16075206
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Ehime University
• Principal Investigator: NISHIYAMA Norimasa Ehime University, 地球深部ダイナミクス研究センター, 助教 (10452682)
• Co-Investigator(Kenkyū-buntansha): OHFUJI Hiroaki 愛媛大学, 地球深部ダイナミクス研究センター, 助教 (80403864) ; KATSURA Tomoo 岡山大学, 地球物質科学研究センター, 教授 (40260666) ; YAMAZAKI Daisuke 岡山大学, 地球物質科学研究センター, 准教授 (90346693) ; ANDO Junichi 広島大学, 大学院・理学研究科, 助教 (50291480) ; FUNAKOSHI Kenichi (財)高輝度光科学研究センター, 利用研究促進部門, 副主幹研究員 (30344394) ; INOUE Toru 愛媛大学, 地球深部ダイナミクス研究センター, 准教授 (00291500)
• Project Period (FY): 2004 – 2008
• Keywords: 弾性波速度 / 放射光 / マントル遷移層 / 超高圧実験 / レオロジー

Research Abstract

大型超高圧発生装置を用いた高圧技術、物性測定、放射光X線その場観察実験を結びつけ、特にマントル遷移層領域に対応する高温高圧条件下で、マントルおよびスラブを構成する物質の弾性波速度、電気伝導度、密度、変形挙動などを明らかにした。このような実験データと観測データを対比させることにより、スラブが沈み込む場であるマントル遷移層の化学組成や水の存在量に重要な制約を与えるとともに、スラブ沈降および滞留過程の物質科学的モデルを提示した。

Research Products

• [Journal Article] Thermal expansion of forsterite at high pressures determined by in situ X-ray diffraction : the adiabatic geotherm in the upper mantle (2009)
  • Author(s): T. Katsura, T. Yoshino, M.A. G. M. Manthilake and T. Matsuzaki
  • Journal Title: Phys. Earth Planet. Inter. (in press)
  • Peer Reviewed
• [Journal Article] P-V-T relations of MgSiO3 perovskite determined by in situ X-ray diffraction using a large-volume high-pressure apparatus (2009)
  • Author(s): T. Katsura, S. Yokoshi, K. Kawabe, A. Shatskiy, M. A. G. M. Manthilake, S. -M. Zhai, H. Fukui, A. C. I. H. Hegoda, Y. Yoshino, D. Yamazaki, T. Matsuzaki, A. Yoneda, E. Ito, M. Sugita, N. Tomioka, K. Hagiya, A. Nozawa and K. Funakoshi
  • Journal Title: Geophys. Res. Lett. 36 Pages: L01305
  • Peer Reviewed
• [Journal Article] Sound velocities of majorite garnet and the composition of the mantle transition region (2008)
  • Author(s): T. Irifune, Y. Higo, T. Inoue, Y. Kono, H. Ohfuji and K. Funakoshi
  • Journal Title: Nature 451 Pages: 814-817
  • Peer Reviewed
• [Journal Article] Elastic wave velocities of (Mg0.91Fe0.09)2SiO4 ringwoodite under P-T conditions of the mantle transition region (2008)
  • Author(s): Y. Higo, T. Inoue, T. Irifune, K. Funakoshi and B. Li
  • Journal Title: Phys. Earth Planet. Inter. 166 Pages: 167-174
  • Peer Reviewed
• [Journal Article] Ultra-low friction of carbonate faults caused by thermal decomposition (2007)
  • Author(s): R. Han, T. Shimamoto, T. Hirose, J.H. Ree, J. Ando
  • Journal Title: Science 316 Pages: 878-881
  • Peer Reviewed
• [Journal Article] Elastic wave velocities of garnetite with a MORB composition up to 14 Gpa (2007)
  • Author(s): Y. Kono, Y. Higo, H. Ohfuji, T. Inoue and T. Irifune
  • Journal Title: Geophys. Res. Lett. 34 Pages: L14308
  • Peer Reviewed
• [Journal Article] Hydrous olivine unable to account for conductivity anomaly at the top of theasthenosphere (2006)
  • Author(s): T. Yoshino, T. Matsuzaki, S. Yamashita and T. Katsura
  • Journal Title: Nature 443 Pages: 973-976
  • Peer Reviewed
• [Journal Article] Mechanism of the olivine-ringwoodite transformation in the presence of aqueous fluid (2006)
  • Author(s): J. Ando
  • Journal Title: Phys. Chem. Min. 33 Pages: 377-382
  • Peer Reviewed
• [Journal Article] The phase boundary between wadsleyite and ringwoodite in Mg2SiO4 determined by in situ X-ray diffraction (2006)
  • Author(s): T. Inoue, T. Irifune, Y. Higo, T. Sanehira, Y. Sueda, A. Yamada, T. Shinmei, D. Yamazaki, J. Ando, K. Funakoshi and W. Utsumi
  • Journal Title: Phys. Chem. Minerals 33 Pages: 106-114
  • Peer Reviewed
• [Journal Article] The effect of iron on the elastic properties of ringwoodite at high pressure (2006)
  • Author(s): Y. Higo, T. Inoue, B. Li, T. Irifune, and R. C. Liebermann
  • Journal Title: Phys. Earth Planet. Inter 159 Pages: 276-285
  • Peer Reviewed
• [Journal Article] Pressure and strain dependence of the strength of sintered polycrystalline Mg2SiO4 ringwoodite (2005)
  • Author(s): N. Nishiyama, Y. Wang, T. Uchida, T. Irifune, M. L. Rivers and S. R. Sutton
  • Journal Title: Geophys. Res. Lett. 32 Pages: L04307
  • Peer Reviewed
• [Journal Article] Grain growth of ringwoodite and its implication for rheology of the subducting slab (2005)
  • Author(s): D. Yamazaki, T. Inoue, M. Okamoto and T. Irifune
  • Journal Title: Earth Planet. Sci. Lett. 236 Pages: 871-881
  • Peer Reviewed
• [Presentation] Deformation experiments of polycrystalline sintered diamond materials in the DDIA with HIMEDIA pistons (2008)
  • Author(s): N. Nishiyama, T. Irifune, Y. Wang, T. Sanehira, M. L Rivers
  • Organizer: AGU FALL MEETING
  • Place of Presentation: San Francisco, USA.
  • Year and Date: 2008-12-19
• [Presentation] Lattice preferred orientation of lower mantle materials and seismic anisotropy in the D (2008)
  • Author(s): D. Yamazaki, J. Ando, S. Karato, H. Ohfuji, A. Yoneda, T. Yoshino
  • Organizer: layer 5th Annual Meeting AOGS 2008
  • Place of Presentation: Busan, Korea.
  • Year and Date: 2008-06-16
• [Presentation] Sound velocity measurements to 20 GPa and 1800K at SPring-8 and some applications (2008)
  • Author(s): T. Irifune, Y. Higo, Y. Kono, T. Inoue, K. Funakoshi, B Li
  • Organizer: AGU 2008 Joint Assembly
  • Place of Presentation: Fort Lauderdale, USA.
  • Year and Date: 2008-05-28
• [Presentation] Partitioning of water in mantle minerals (2008)
  • Author(s): T. Inoue, M. Katsuda, T. Irifune, H. Yurimoto
  • Organizer: EGU General Assembly 2008
  • Place of Presentation: Vienna, Austria.
  • Year and Date: 2008-04-16
• [Presentation] Sound velocities of mantle and subducted slab lithologies : Constraints from combined in situ X-ray and ultlasonic measurements (2007)
  • Author(s): T. Irifune, Y. Higo, Y. Kono, T. Inoue, K. Funakoshi
  • Organizer: AGU FALL MEETING
  • Place of Presentation: San Francisco, USA.
  • Year and Date: 2007-12-14
• [Presentation] Rheology of hcp-iron up to 19 GPa and 600 K in the D-DIA (2007)
  • Author(s): N. Nishiyama, Y. Wang, M. L. Rivers, S. R. Sutton, D. Cookson
  • Organizer: AGU FALL MEETING
  • Place of Presentation: San Francisco, USA.
  • Year and Date: 2007-12-14
• [Presentation] Equation of state of MgSiO3-perovskite (2007)
  • Author(s): Y. Tange, T. Irifune, K. Funakoshi
  • Organizer: AGU Fall Meeting
  • Place of Presentation: San Francisco, USA.
  • Year and Date: 2007-12-13
• [Presentation] Chemical composition of the mantle transition region : constraints from sound velocity measurement at high pressure and high temperature (2007)
  • Author(s): T. Irifune
  • Organizer: Wilhelm and Heraeus Seminer : Density, Temperature and Elastic Constants of Earth' s Mantlell
  • Place of Presentation: Munich, Germany.
  • Year and Date: 2007-09-14
• [Presentation] Elastic wave velocities of pyrolite and MORB at P, T conditions of the mantle transition region (2007)
  • Author(s): T. Irifune, Y. Higo, Y. Kono, T. Inoue, K. Funakoshi
  • Organizer: IUGG2007
  • Place of Presentation: Perugia, Italy.
  • Year and Date: 2007-06-06
• [Presentation] Recent developments for high pressure research using large volume press at the SPring-8 (2007)
  • Author(s): K. Funakoshi, A. Nozawa, and Y. Tange
  • Organizer: SMEC2007
  • Place of Presentation: Miami, USA.
  • Year and Date: 2007-04-14
• [Book] in Treatise on Geophysics 2, D. Price (ed.), Elsevier Sci. Publ. (2007)
  • Author(s): T. Irifune and T. Tsuchiya
  • Total Pages: 33-62
  • Publisher: Phase transitions and mineralogy of the lower mantle
• [Book] In "Earth's deep water cycle, Geophysical monograph series 168", Steven D. Jacobsen and Suzan van der Lee (eds.), AGU (2006)
  • Author(s): T. Inoue, T. Ueda, Y. Higo, A. Yamada, T. Irifune and K. Funakoshi
  • Total Pages: 147-157
  • Publisher: High-pressure and high-temperature stability and equation of state of superhydrous phase B
• [Book] Y. Wang, T. Uchida, N. Nishiyama, R. VonDreele, A. Nozawa, K. Advances in High-Pressure Technology for Geophysical Applications, J. Chen, Y. Wang, T. Duffy, G. Shen, L. Dobrzhinetskaya (eds.), Elsevier Academic Press (2005)
  • Author(s): K. Funakoshi, H. Kaneko
  • Total Pages: 339-352
  • Publisher: High-Pressure Angle-Dispersive Powder Diffraction Using an Energy-Dispersive Setup and White Synchrotron Radiation