High temperature metamorphism on planetesimals and protoplanetary crust

2008 Fiscal Year Final Research Report

• Project/Area Number: 19540511
• 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: National Institute of Polar Research
• Principal Investigator: YAMAGUCHI Akira National Institute of Polar Research, 研究教育系, 助教授 (70321560)
• Co-Investigator(Renkei-kenkyūsha): EBIHARA Mitsuru 首都大学東京, 都市教養学部, 教授 (10152000)
• Project Period (FY): 2007 – 2008
• Keywords: エコンドライト / 鉱物学 / 宇宙化学 / 微惑星

Research Abstract

本研究では、HED隕石や月隕石の岩石組織や全岩化学組成を詳細に検討し、小惑星ベスタや地球の月の原始地殻の形成過程を明らかにしようとした。また、ユレイライトの鉱物学的研究から推定した熱史と衝撃史をもとに、母天体である微惑星の発達過程を明らかにしようとした。

Research Products

• [Journal Article] Evidence for K-rich terrains and granites on Vesta from impact spherules (2008)
  • Author(s): Barrat J.A., Bohn M., Gillet Ph. And Yamaguchi A
  • Journal Title: Meteoritics & Planetary Science (in press)
  • Peer Reviewed
• [Journal Article] Geochemistry of diogenites: Still more diversity in their parental melts (2008)
  • Author(s): Barrat J.A., Yamaguchi A., Greenwood R.C., Benoit M., Cotton J., Bohn M. and Franchi I.A
  • Journal Title: Meteoritics Planetary Science 43 Pages: 1759-1775
  • Peer Reviewed
• [Journal Article] A new model for lunar crust: asymmetry in crustal composition and evolution. Earth, Planets (2008)
  • Author(s): Arai T., Takeda H., Yamaguchi A. and Ohtake M
  • Journal Title: Space 60 Pages: 433-444
  • Peer Reviewed
• [Journal Article] The Stannern trend eucrites: Contamination of main group eucritic magmas by crustal contamination (2007)
  • Author(s): Barrat J.A., Yamaguchi A., Greenwood R.C., Bohn M., Cotton J., Benoit M. and Franchi
  • Journal Title: Geochimica et Cosmochimica Acta 71 Pages: 4108-4124
  • Peer Reviewed
• [Journal Article] The crystallization age of eucrite zircon (2007)
  • Author(s): Srinivasan G., Whitehouse M.J., Weber I. and Yamaguchi A
  • Journal Title: Science 317 Pages: 345-347
  • Peer Reviewed
• [Presentation] Petrology of ferran diogenites, Yamato 75032 type, Aasuka 881839 and Dhofar 700 (2009)
  • Author(s): Yamaguchi A., Takeda H., Barrat J.A
  • Organizer: Lunar and Planetary Science XXXX, #1547
  • Place of Presentation: The Woodlands, Texas
  • Year and Date: 20090323-27
• [Presentation] Iron contents of plagioclase in Dhofar 307 Lunar meteorite and surface materials of the farside large basins (2009)
  • Author(s): Takeda H., Karouji Y., Ogawa Y., Yamaguchi A., Ohtake M., Arai T., Matsunaga T, Haruyama J
  • Organizer: Lunar and Planetary Science XXXX, #1565
  • Place of Presentation: Lunar and Planetary Science XXXX, #1565
  • Year and Date: 20090323-27
• [Presentation] 鉄に富むダイオジェナイトの岩石学的成因について (2008)
  • Author(s): 山口 亮,武田 弘,J.A. Barrat
  • Organizer: 日本鉱物科学会2008年年会
  • Place of Presentation: 秋田大学
  • Year and Date: 20080920-22
• [Presentation] 茶色カンラン石を含む火星隕石の透過型電子顕微鏡観察 (2008)
  • Author(s): 栗原 大地,三河内 岳,猿渡 和子,亀田 純,山口 亮,関根 利守,宮本 正道
  • Organizer: 日本鉱物科学会2008年年会
  • Place of Presentation: 秋田大学
  • Year and Date: 20080920-22
• [Presentation] ユークライト隕石母天体地殻の部分溶融について (2008)
  • Author(s): 山口 亮,J.A. Barrat,海老原 充,白井 直樹,岡本 千里
  • Organizer: 日本地球化学会第55回年会
  • Place of Presentation: 東京大学
  • Year and Date: 20080917-19
• [Presentation] Tafassasset隕石の主要元素及び微量元素組成 (2008)
  • Author(s): 田村 麻衣,篠塚 一典,海老原 充,山口 亮
  • Organizer: 日本地球化学会第55回年会
  • Place of Presentation: 東京大学
  • Year and Date: 20080917-19
• [Presentation] 月隕石Dhofar 1428 の化学組成 (2008)
  • Author(s): 日高 義浩,海老原 充,山口 亮
  • Organizer: 日本地球化学会第55回年会
  • Place of Presentation: 東京大学
  • Year and Date: 20080917-19
• [Presentation] Impact glasses in howardites: K-rich lithologies and granites on 4Vesta (2008)
  • Author(s): Barrat J.A., Bohn M., Gillet Ph. And Yamaguchi A
  • Organizer: Meteoritics & Planetary Science 43, A21. (71st Annual Meeting of the Meteoritical Society)
  • Place of Presentation: Matsue
  • Year and Date: 20080728-0801
• [Presentation] Still more diversity in the diogenite parental melts (2008)
  • Author(s): Barrat J.A., Yamaguchi A., Greenwood R.C., Beniot M., Cotton J., Bohn M. and Franchi I.A
  • Organizer: Meteoritics & Planetary Science 43, A22.(71st Annual Meeting of the Meteoritical Society)
  • Place of Presentation: Matsue
  • Year and Date: 20080728-0801
• [Presentation] Chemical characteristics of Northwest Africa 011 and Northwest Africa 2976 (2008)
  • Author(s): Isa J., Shinotsuka K., Yamaguchi A. and Ebihara M
  • Organizer: Meteoritics & Planetary Science 43, A64. (71st Annual Meeting of the Meteoritical Society)
  • Place of Presentation: Matsue
  • Year and Date: 20080728-0801
• [Presentation] Two olivine-rich ureilites among nine new Northwest Africa ureilites and their proposed origin (2008)
  • Author(s): Takeda H. and Yamaguchi A
  • Organizer: Meteoritics & Planetary Science 43, A152. (71st Annual Meeting of the Meteoritical Society)
  • Place of Presentation: Matsue
  • Year and Date: 20080728-0801
• [Presentation] Variety within eucrites and implications for their classification (2008)
  • Author(s): Yamaguchi A., Takeda H. and Barrat J.A
  • Organizer: Meteoritics & Planetary Science 43, A192. (Workshop on Antarctic meteorites: Search, recovery, and classification)
  • Place of Presentation: Matsue
  • Year and Date: 20080726-28
• [Presentation] Contributions of Antarctic ureilites to reconstruction of their parent body and the formation processes with description of three ureilites from Antarctica (2008)
  • Author(s): Takeda H. and Yamaguchi A
  • Organizer: Meteoritics & Planetary Science 43, A190. (Workshop on Antarctic meteorites: Search, recovery, and classification)
  • Place of Presentation: Matsue
  • Year and Date: 20080726-28
• [Presentation] Basaltic clasts in Y-86032 feldspathic lunar meteorite: Ancient volcanism far from the Procellarum KREEP terrane (2008)
  • Author(s): Yamaguchi A., Takeda H., Nyquist L.E., Bogard D.D., Karouji Y. and Ebihara M
  • Organizer: Lunar and Planetary Science XXXIX, #1560
  • Place of Presentation: League City
  • Year and Date: 20080310-14
• [Presentation] Granulitic lithologies in Dhofar 307 lunar meteorite and magnesian, Th-poor terrane of the Northern farside crust (2008)
  • Author(s): Takeda H., Arai T., Yamaguchi A., Otsuki M. and Ohtake M
  • Organizer: Lunar and Planetary Science XXXIX, #1574
  • Place of Presentation: League City
  • Year and Date: 20080310-14
• [Presentation] Impact glasses in howardites: Evidences for K-rich lithologies of 4-Vesta (2008)
  • Author(s): Barrat J.A., Bohn M., Gillet Ph. And Yamaguchi A
  • Organizer: Lunar and Planetary Science XXXIX, #1589
  • Place of Presentation: League City
  • Year and Date: 20080310-14
• [Presentation] Transmission electron microscopy of experimentally shocked San Carlos olivine (2008)
  • Author(s): Kurihara T., Mikouchi T., Yamaguchi A., Sekine T
  • Organizer: Lunar and Planetary Science XXXIX, #2505
  • Place of Presentation: League City
  • Year and Date: 20080310-14
• [Presentation] ユークライト母天体地殻の熱変成作用と部分溶融について (2007)
  • Author(s): 山口 亮,J.A. Barrat,白井 直樹,海老原 充,岡本 千里
  • Organizer: 日本鉱物科学会2007年年会
  • Place of Presentation: 東京大学
  • Year and Date: 20070922-24
• [Presentation] 月裏側地殻の岩石・鉱物学 (2007)
  • Author(s): 荒井 朋子,武田 弘,山口 亮,大竹 真紀子
  • Organizer: 日本鉱物科学会2007年年会
  • Place of Presentation: 20070922-24
  • Year and Date: 20070922-24
• [Presentation] 輝石3相の共存する北西アフリカ産ユレイライト (2007)
  • Author(s): 武田 弘,大槻 まゆみ,石井 輝秋,山口 亮,井上 真治
  • Organizer: 日本鉱物科学会2007年年会
  • Place of Presentation: 東京大学
  • Year and Date: 20070922-24
• [Presentation] Are Stannern-trend eucrites ordinary eucrites contaminated by crustal partial melts? (2007)
  • Author(s): Barrat J.A., Yamaguchi A., Greenwood R.C., Bohn M., Cotton J., Benoit M. and Franchi I.A
  • Organizer: Meteoritics & Planetary Science 42, A17. (70th Annual Meteoritical Society Meeting)
  • Place of Presentation: Tucson
  • Year and Date: 20070813-17
• [Presentation] Lithology of lunar farside crust (2007)
  • Author(s): Arai T., Takeda H., Yamaguchi A. and Ohtake M
  • Organizer: Meteoritics & Planetary Science 42, A14. (70th Annual Meteoritical Society Meeting)
  • Place of Presentation: Tucson
  • Year and Date: 20070813-17
• [Presentation] U-Pb ages of NWA856 baddeleyite (2007)
  • Author(s): Misawa K. and Yamaguchi A
  • Organizer: Meteoritics & Planetary Science 42, A14. (70th Annual Meteoritical Society Meeting)
  • Place of Presentation: Tucson
  • Year and Date: 20070813-17
• [Presentation] Highly metamorphosed eucrites, A-87272 and DaG945: Residues after crustal partial melting (2007)
  • Author(s): Yamaguchi A., Barrat J.A., Shirai N., Okamoto C., Setoyanagi T. and Ebihara M
  • Organizer: Highly metamorphosed eucrites, A-87272 and DaG945: Residues after crustal partial melting
  • Place of Presentation: Tucson
  • Year and Date: 20070813-17