Experimental study of material evolution at the early stage of solarsystem : from chondrite to achondrite

• Project/Area Number: 18540471
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Petrology/Mineralogy/Science of ore deposit
• Research Institution: The University of Tokyo
• Principal Investigator: MIYAMOTO Masamichi The University of Tokyo, 大学院・理学系研究科, 教授 (70107944)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,070,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥270,000); Fiscal Year 2008: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000); Fiscal Year 2007: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2006: ¥2,900,000 (Direct Cost: ¥2,900,000)
• Keywords: 隕石 / 宇宙物質 / コンドライト / エコンドライト / 物質進化 / 原始惑星 / 部分溶融 / メルト / 損石 / エコンドライ

Research Abstract

太陽系形成初期には、コンドライトといわれる非常に始源的な物質がまず形成され、それらがいろいろな熱源により溶かされて、エコンドライトと呼ばれる溶けた形跡のある物質が形成される。これは太陽系最初期の物質進化である。これを実験室内で再現するため、顕微鏡下、真空状態で、1150度程度までの加熱溶融実験を行い、初期の物質進化が鉄を含む物質に密接に関係していることを明らかにした。

Research Products

• [Journal Article] Cooling rates of porphyritic olivine chondrules in the Semarkona(LL3.00)ordinary chondrite : A model for diffusional equilibration of olivine during fractional crystallization (2009)
  • Author(s): Miyamoto M. Mikouchi T.,and Jones R.H.
  • Journal Title: Meteoritics and Planetary Science 44 Pages: 21-530
  • Peer Reviewed
• [Journal Article] Cooling rates of Y980459 and DAG476 shergottites on the basis of Fe-Mg zoning of olivine (2009)
  • Author(s): Miyamoto M., Koizumi E., and Mikouchi T.
  • Journal Title: Lunar and Planetary Science XL 1143
• [Journal Article] Fe-Ni metal and magnetitenano-particles in"brown"color olivines frommartian meteorites (2009)
  • Author(s): Kurihara T., Mikouchi T., Saruwatari K., Kameda J.,and Miyamoto M.
  • Journal Title: Lunar and Planetary Science XL 1049(CD-ROM)
• [Journal Article] Cooling rates of porphyritic olivine chondrules in the Semarkona (LL3.00) ordinary chondrite: A model for diffusional equilibration of olivine during fractional crystallization (2009)
  • Author(s): Miyamoto M. et al.
  • Journal Title: Meteoritics and Planetary Science 44(印刷中掲載確定)
  • Peer Reviewed
• [Journal Article] Cooling rates of Y980459 and DAG476 shergottites on the basis of Fe-Mg zoning of olivine (2009)
  • Author(s): Miyamoto M. et al
  • Journal Title: Lunar and Planetary Science XL
• [Journal Article] Fe-Ni metal and magnetite nano-particles in "brown" color olivines from martian meteorites (2009)
  • Author(s): Kurihara et al.
  • Journal Title: Lunar and Planetary Science XL
• [Journal Article] A wide range of the cooling rate of type II porphyritic olivine chondrules in Semarkona(LL3.0) (2008)
  • Author(s): Miyamoto M., Koizumi E.,and Mikouchi T.
  • Journal Title: Lunar and Planetary Science XXXIX 1587(CD-ROM)
• [Journal Article] Mineralogy and pyroxene cooling rate of unique achondritic meteorite GRA06129 (2008)
  • Author(s): Mikouchi T.and Miyamoto M.
  • Journal Title: Lunar and PlanetaryScience XXXIX 2297(CD-ROM)
• [Journal Article] Petrology and mineralogy of RBT04262 : Implications for stratigraphy of the lherzolitic shergottite igneous block (2008)
  • Author(s): Mikouchi T., Kurihara T.,and Miyamoto M.
  • Journal Title: Lunar and Planetary Science XXXIX 2403(CD-ROM)
• [Journal Article] A wide range of the cooling rate of type II porphyritic olivine chondrules in Semarkona (LL3.0) (2008)
  • Author(s): Miyamoto M., et. al.
  • Journal Title: Lunar and Planetary Science XXXIX
• [Journal Article] Mineralogy and pyroxene cooling rate of unique achondritic meteorite GRA06129 (2008)
  • Author(s): Mikouchi T. and Miyamoto M.
  • Journal Title: Lunar and Planetary Science XXXIX
• [Journal Article] Petrology and mineralogy of RBT04262: Implications for stratigraphy of the Iherzolitic shergottite igneous block (2008)
  • Author(s): Mikouchi T., et. al.
  • Journal Title: Lunar and Planetary Science XXXIX
• [Journal Article] Spectroscopy of nearside highland in relationto Apollo 16 rock samples (2007)
  • Author(s): Yamamoto A., Arai T., Takeda H.,and Miyamoto M.
  • Journal Title: Lunar and Planetary Science XXXVIII 1590(CD-ROM)
• [Journal Article] Oxidation state of nakhlites asinferred from Fe-Ti oxide equilibria andaugite/melt Europium partitioning (2007)
  • Author(s): Makishima J., McKay G., Le L., Miyamoto M.,and Mikouchi T.
  • Journal Title: Lunar and Planetary Science XXXVIII 1837(CD-ROM)
• [Journal Article] Amoeboid olivine aggregates in the CV carbonaceous chondrite Yamato-86751 (2007)
  • Author(s): Komatsu M., Mikouchi T., Krot A. N., and Miyamoto M.
  • Journal Title: Lunar and Planetary Science XXXVIII 1834(CD-ROM)
• [Journal Article] Spectroscopy of nearside highland in relation to Apollo 16 rock samples (2007)
  • Author(s): A.Yamamoto, T.Arai, H.Takeda, M.Miyamoto
  • Journal Title: Lunar and Planetary Science XXXVIII
• [Journal Article] Oxidation state of nakhlites as inferred from Fe-Ti oxide equilibria and augite/melt Europium partitioning (2007)
  • Author(s): J.Makishima, G.McKay, L.Le, M.Miyamoto, T.Mikouchi
  • Journal Title: Lunar and Planetary Science XXXVIII
• [Journal Article] Amoeboid olivine aggregates in the CV carbonaceous chondrite Yamato-86751 (2007)
  • Author(s): K.Komatsu, T.Mikouchi, A.N.Krot, M.Miyamoto
  • Journal Title: Lunar and Planetary Science XXXVIII
• [Journal Article] Calculation of the cooling rate for olivine byconsideration of Fe-Mg diffusion and olivinecrystal growth : Verification by Martian andlunar meteorite composition (2006)
  • Author(s): Miyamoto M., Koizumi E., and Mikouchi T.
  • Journal Title: Proc. 39th ISAS Lunar and Planetary Symp Pages: 5-8
• [Journal Article] Amoeboid olivineaggregates in Yamato-86009 CV chondrite : Evidence for in situ aqueous alteration (2006)
  • Author(s): Komatsu M., Krot A. N., Fagan T., Miyamoto M.,Mikouchi T.,and Keil K
  • Journal Title: Meteoritics and Planetary Science A99 Pages: 41-41
• [Journal Article] Aluminum effect on the calibration of the Eu oxybarometer for nakhlite (2006)
  • Author(s): Makishima J., McKay G., Le L., Miyamoto M.,and Mikouchi T.
  • Journal Title: Antarctic Meteorites XXX Pages: 52-53
• [Journal Article] Calculation of the cooling rate for olivine by consideration of Fe-Mg diffusion and olivine crystal growth : Verification by Martian and lunar meteorite composition (2006)
  • Author(s): M.Miyamoto, E.Koizumi, T.Mikouchi
  • Journal Title: Proc. 39th ISAS Lunar and Planetary Symp. (印刷中)
• [Journal Article] Amoeboid olivine aggregates in Yamato-86009 CV chondrite : Evidence for in situ aqueous alteration (2006)
  • Author(s): M.Komatsu, A.N.Krot, T.Fagan, M.Miyamoto, T.Mikouchi, K.Keil
  • Journal Title: Meteoritics and Planetary Science 41
• [Journal Article] Aluminum effect on the calibration of the Eu oxybarometer for nakhlite (2006)
  • Author(s): J.Makishima, G.McKay, L.Le, M.Miyamoto, T.Mikouchi
  • Journal Title: Antarctic Meteorites XXX Pages: 52-53
• [Presentation] The cooling rate of chondrules in Semarkona(LL3.00)ordinary chondrite as inferred from Fe-Mg zoning of olivine (2008)
  • Author(s): Miyamoto M., Mikouchi T.,and Jones R.H.
  • Organizer: 41st ISAS Lunar Planetary Symposium
  • Place of Presentation: JAXA宇宙科学研究本部
  • Year and Date: 2008-08-07
• [Presentation] A model to calculate the cooling rate by Fe-Mgdiffusional calculation during olivine crystal growth (2008)
  • Author(s): Miyamoto M. Mikouchi T., Jones R.H.
  • Organizer: 71st meeting of the Meteoritical Society
  • Place of Presentation: 松江市, 島根県
• [Presentation] A model to calculate the cooling rate by Fe-Mg diffusional calculation during olivine crystal growth (2008)
  • Author(s): Miyamoto M. et al.
  • Organizer: 71st meeting of the Meteoritical Society
  • Place of Presentation: 松江市,島根県
• [Presentation] Examination of thecurve-fitting method for diffuse reflectance spectra in the UV-Visible-Near infrared wavelength region (2007)
  • Author(s): Miyamoto M. Arai T., Komatsu M., Yamamoto A., and Mikouchi T.
  • Organizer: 40th ISAS Lunar Planetary Symposium
  • Place of Presentation: JAXA宇宙科学研究本部
  • Year and Date: 2007-07-26
• [Presentation] N.Secondary alteration of Y-86751-Relation to other CV chondrites- (2007)
  • Author(s): Komatsu M., Mikouchi T., Miyamoto M.,and Krot A
  • Organizer: 40th ISAS Lunar Planetary Symposium
  • Place of Presentation: JAXA宇宙科学研究本部
  • Year and Date: 2007-07-26
• [Presentation] Antarctic lunar meteorites from cryptomaria of the Moon Antarctic lunar meteorites from cryptomaria of the Moon meteorites from cryptomaria of the Moon (2007)
  • Author(s): Arai T., Hawke B.R., Giguere T.A., Miyamoto M., Misawa K.,and Kojima H.
  • Organizer: 40th ISAS Lunar Planetary Symposium
  • Place of Presentation: JAXA宇宙科学研究本部
  • Year and Date: 2007-07-26
• [Presentation] Examination of the curve-fitting method for diffuse reflectance spectra in the UV-Visible-Near infrared wavelength region. (2007)
  • Author(s): Miyamoto M., et. al.
  • Organizer: Proc. 40th ISAS Lunar Planetary Symposium
  • Place of Presentation: JAXA宇宙科学研究本部
  • Year and Date: 2007-07-26