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Experimental study on the formation of terrestrial planets

Research Project

Project/Area Number 18204050
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Petrology/Mineralogy/Science of ore deposit
Research InstitutionTokyo Institute of Technology

Principal Investigator

TAKAHASHI Eiichi  Tokyo Institute of Technology, 大学院・理工学研究科, 教授 (40144779)

Co-Investigator(Kenkyū-buntansha) NISHIHARA Yu  東京工業大学, 大学院・理工学研究科, 特任助教 (10397036)
SATO Kei  東京工業大学, 大学院・理工学研究科, COE研究員 (80422533)
関根 利守  独立行政法人材料研究機構, 物質研究所, 主席研究員 (70343829)
Co-Investigator(Renkei-kenkyūsha) SEKINE Toshimori  独立行政法人物質・材料研究機構, 主席研究員 (70343829)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥48,620,000 (Direct Cost: ¥37,400,000、Indirect Cost: ¥11,220,000)
Fiscal Year 2008: ¥11,440,000 (Direct Cost: ¥8,800,000、Indirect Cost: ¥2,640,000)
Fiscal Year 2007: ¥13,260,000 (Direct Cost: ¥10,200,000、Indirect Cost: ¥3,060,000)
Fiscal Year 2006: ¥23,920,000 (Direct Cost: ¥18,400,000、Indirect Cost: ¥5,520,000)
Keywords原始地球 / 惑星 / マントル / コア / 高圧実験 / 高圧実険 / 地球 / マグマオーシャン / 核 / 分化
Research Abstract

代表者らは、地球中心核の主成分である溶融鉄への水素溶解度および炭素溶解度と、FeHおよびFe_3Cの融点を東工大およびSPRING-8放射光に設置されたマルチアンビル装置を用い世界で初めて超高圧下で測定することに成功した。その結果、水素および炭素が地球の核に多量に存在した場合、外核の温度は従来の予想4000Kより最大1500K低下する可能性があることが分かった。本科研費に基づく研究成果はHiranoほか(2006)、Sakamaki,Takahashiほか(2009)、Nakajima,Takahashiほか(2009)など合計6編の国際誌論文として発表した。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (33 results)

All 2009 2008 2007 2006 Other

All Journal Article (22 results) (of which Peer Reviewed: 10 results) Presentation (8 results) Remarks (3 results)

  • [Journal Article] The orthoenstatite/clinoenstatite phase transformation in MgSiO3 at high-pressure and high-temperature determined by in-situ X-ray diffraction: Implications for nature of the X-discontinuity2009

    • Author(s)
      A. Akashi, Y. Nishihara, E. Takahashi, Y. Nakajima, Y. Tange, K. Funakoshi
    • Journal Title

      J. of Geophysical Res. 114,B04206

    • Related Report
      2008 Final Research Report
  • [Journal Article] Phase relations in the system MgO-FeO-SiO2 to 50 GPa and 2000C: an application of experimental techniques using multianvil apparatus with sintered diamond anvils2009

    • Author(s)
      Y. Tange, E. Takahashi, Y. Nishihara, K. Funakoshi, N. Sata
    • Journal Title

      J. of Geophysical Res. VOL.114,B02214

    • Related Report
      2008 Final Research Report
  • [Journal Article] "Carbon in the core" revisited, Physics2009

    • Author(s)
      Y. Nakajima, E. Takahashi, T. Suzuki, K. Funakoshi
    • Journal Title

      arth Planet. Inter. vol.174

      Pages: 202-211

    • Related Report
      2008 Final Research Report
  • [Journal Article] Melting phase relation of FeHx up to 20 GPa: Implication for the temperature of the Earth's core Physics2009

    • Author(s)
      Sakamaki E. Takahashi, Y. Nakajima, Y. Nishihara, K. Funakoshi T. Suzuki, Y. Fukai
    • Journal Title

      Earth Planet. Inter. vol.174

      Pages: 192-201

    • Related Report
      2008 Final Research Report
  • [Journal Article] "Carbon in the core" revisited2009

    • Author(s)
      Nakajima Takahashi, 他2名
    • Journal Title

      Physics, Earth Planet.Interiors 174

      Pages: 202-211

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Melting phase relation of FeHx up to 20 GPa : Implication for the temperature of the Earth's core2009

    • Author(s)
      Sakamaki Takahashi, 他5名
    • Journal Title

      Physics, Earth Planet.Interiors 174

      Pages: 192-201

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Phase relations in the system MgO-FeO-SiO2 to 50 GPa and 2000C : an application of experimental techniques using multianvil apparatus with sintered diamond anvils2009

    • Author(s)
      Tange, Takahashi, 他2名
    • Journal Title

      Journal of Geophysical Research 114

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The orthoenstatite/clinoenstatite phase transformation in MgSiO3 at high-pressure and high-temperature determined by in-situ X-ray diffraction : Implications for nature of the X-discontinuity2009

    • Author(s)
      Akashi, Nishihara, Takahashi, 他3名
    • Journal Title

      J Geophys.Research 114

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Shock equation of state of basalt Toshimori Sekine2008

    • Author(s)
      Takamichi Kobayashi, Mineyuki Nishio, Eiichi Takahashi
    • Journal Title

      Earth Planets Space 999-1003

    • Related Report
      2008 Final Research Report
  • [Journal Article] Shock equation of state of basalt2008

    • Author(s)
      Sekine, Takahashi, 他2名
    • Journal Title

      Earth Planets Space 60

      Pages: 999-1003

    • NAID

      10029009928

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Melting phase relation of FeHx up to 20 GPa2008

    • Author(s)
      K. Sakamaki, E. Takahashi 他3名
    • Journal Title

      Physics of the Earth and Planetary Interiors (In press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Carbon in the core revisited2008

    • Author(s)
      Y. Nakajima, E. Takahashi 他2名
    • Journal Title

      Physics of the Earth and Planetary Interiors (In press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Plastic deformation of wadsleyite and olivine at high-pressure and high-temperature using a rotational Drickamer apparatus (RDA)2008

    • Author(s)
      Y. Nishihara, 他6名
    • Journal Title

      Phys. Earth Planet. Int. (In press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ,Complete wetting of olivine grain boundaries by a hydrous melt near the mantle transition zone2007

    • Author(s)
      T. Yoshino, Y. Nishihara 他1名
    • Journal Title

      Earth Planet. Sci. Lett. 256

      Pages: 466-472

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Titanium in quartz as a record of ultrahigh-temperature metamorphis m: the granulites of Karur, southern India.2007

    • Author(s)
      Sato, K., Santosh, M.
    • Journal Title

      Mineralogical Magazine 71

      Pages: 143-154

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Volcnism in Response to plate flexure2006

    • Author(s)
      N. Hirano, E. Takahashi, J. Yamamoto, N. Abe, S.P. Ingle, I. Kaneoka, T. Hirata, J. Kimura, T. Ishii, Y. Ogawa, S. Machida, K. Suyehiro
    • Journal Title

      Science 313

      Pages: 1426-1428

    • Related Report
      2008 Final Research Report
  • [Journal Article] Volacanism in response to plate flexure2006

    • Author(s)
      平野, 高橋ほか
    • Journal Title

      Science 313

      Pages: 1426-1428

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Isotope compositions of the submarine Hana ridge lavas, Haleakala Volcano,Hawaii2006

    • Author(s)
      任, 高橋ほか
    • Journal Title

      Journal of Petrology 47

      Pages: 255-275

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Hugoniot of beta-SiAION and high-pressure phase transitions.2006

    • Author(s)
      関根, ほか
    • Journal Title

      J.Appl.Phys 99

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Grain-growth kinetics in wadsleyite : Effects of chemical environment,2006

    • Author(s)
      西原, ほか
    • Journal Title

      Phusics of Earth Plaetary Interiors 154

      Pages: 30-43

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Effects of metal protection coils on themocouple EMF in multi-anvil high-pressure experiments,2006

    • Author(s)
      西原, ほか
    • Journal Title

      American Mineralogist 91

      Pages: 114-114

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Experimental calibration of sapphirine-spinel Fe_2+-Mg exchange themometer : Implication for constraints on P-T condition of Howard Hills,Napier Complex,East Antarctica,2006

    • Author(s)
      佐藤, ほか
    • Journal Title

      Gondwana Research

      Pages: 398-408

    • Related Report
      2006 Annual Research Report
  • [Presentation] Earliest step of core-mantle separation : Shock melting experiment of chondrite-like materials2009

    • Author(s)
      Takahashi, 他3名
    • Organizer
      American Geophysical Union
    • Place of Presentation
      サンフランシスコ
    • Year and Date
      2009-12-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] Origin of young alkali basalts found on 145 Ma old Pacific Plate:Evidence for partial melting in the Earth's asthenosphere2008

    • Author(s)
      E. Takahashi, N. Takehara, P. Bhalla, N. Hirano
    • Organizer
      MISASA The 3rd COE-21 International Symposiu
    • Place of Presentation
      Misasa (JPN)
    • Year and Date
      2008-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] Origin of the Young alkali basalts erupted on 130Ma Pacific Plate2008

    • Author(s)
      高橋栄一
    • Organizer
      3rd International Symposium "Origin Evolution and Dynamics of the Earth"
    • Place of Presentation
      ISEI, MISASA
    • Year and Date
      2008-03-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] Role of partial melting in the Earth's asthenosphere2007

    • Author(s)
      高橋栄一
    • Organizer
      米国地球物理学会
    • Place of Presentation
      サンフランシスコ
    • Year and Date
      2007-12-10
    • Related Report
      2007 Annual Research Report
  • [Presentation] Role of partial melting in the Earth's asthenosphere2007

    • Author(s)
      E. Takahashi, P. Bhalla, N. Takehara
    • Organizer
      American Geophysical union Annual meeting
    • Place of Presentation
      San Francisco (USA)
    • Year and Date
      2007-10-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Effect of hydrogen and carbon on the melting temperature of the core2007

    • Author(s)
      Y. Nakajima1, K. Sakamaki, E. Takahashi, Y. Fukai1, T. Suzuki, K. Funakoshi
    • Organizer
      2007 AGU Fall Meeting
    • Place of Presentation
      San Francisco (USA)
    • Year and Date
      2007-10-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Melting temperature of FeHx up to 20 GPa, implications on the temperature of the Earth's core2007

    • Author(s)
      K. Sakamaki, E. Takahashi, Y. Nishihara, Y. Fukai, K. Funakoshi
    • Organizer
      7th High Pressure Mineral Physics Seminar
    • Place of Presentation
      Matsushima (JPN)
    • Year and Date
      2007-05-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Thermoelastic property of the paramagnetic Fe3C2006

    • Author(s)
      Y. Nakajima, E. Takahashi, K. Funakoshi
    • Organizer
      11th International Conference on Experimental Mineralogy, Petrology and Geochemistry
    • Place of Presentation
      Bristol (UK)
    • Year and Date
      2006-09-05
    • Related Report
      2008 Final Research Report
  • [Remarks] ホームページ

    • URL

      http://www.geo.titech.ac.jp/lab/takahashi/takahashilab.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.geo.titech.ac.jp/lab/takahashi/takahashilab.html

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.geo.titech.ac.jp/lab/takahashi/takahashilab.html

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

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