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Kunihiro Takuya  国広 卓也

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国広 卓也  クニヒロ タクヤ

KUNIHIRO Takuya  国広 卓也

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Researcher Number 30432628
Other IDs
Affiliation (Current) 2025: 岡山大学, 先鋭研究領域, 准教授
Affiliation (based on the past Project Information) *help 2025: 岡山大学, 惑星物質研究所, 准教授
2019 – 2021: 岡山大学, 惑星物質研究所, 准教授
2010 – 2011: 岡山大学, 地球物質科学研究センター, 准教授
2007: Okayama University, 地球物質科学研究センター, 助教
2006: 岡山大学, 地球物質科学研究センター, 助手
Review Section/Research Field
Principal Investigator
Basic Section 17010:Space and planetary sciences-related / Geochemistry/Astrochemistry
Except Principal Investigator
Geochemistry/Astrochemistry
Keywords
Principal Investigator
コンドリュール / コンドライト / 微量元素 / 小惑星 / 二次イオン質量分析法 / 流体 / 流体プロセス / ホウ素 / 局所分析 / 元素分布 … More / レーザー加熱型ガス質量分析法 / 軽元素 / 酸素同位体 / 内圧式ガス装置 / 隕石 / 年代測定 / 酸素同位体組成 … More
Except Principal Investigator
二次イオン質量分析装置(SIMS) / 二次イオン質量分析装置 / 同位体分別 / 流体 / リチウム / カンラン石 / 地殻・マントル物質 / 沈み込み帯 / 二次イオン質量分析計 / 高温高圧実験 / 元素分配 / 地球化学 Less
  • Research Projects

    (5 results)
  • Research Products

    (18 results)
  • Co-Researchers

    (4 People)
  •  小惑星物質からの軽元素同位体端成分の検出と軽元素形成環境の推定Principal Investigator

    • Principal Investigator
      国広 卓也
    • Project Period (FY)
      2025 – 2028
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 17010:Space and planetary sciences-related
    • Research Institution
      Okayama University
  •  Duration of fluid existence on an asteroidPrincipal Investigator

    • Principal Investigator
      Kunihiro Takuya
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 17010:Space and planetary sciences-related
    • Research Institution
      Okayama University
  •  A study to evaluate fluid-related process on asteroids by chondrulesPrincipal Investigator

    • Principal Investigator
      KUNIHIRO Takuya
    • Project Period (FY)
      2010 – 2011
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Geochemistry/Astrochemistry
    • Research Institution
      Okayama University
  •  Behavior of lithium isotopes in subduction zone mantle

    • Principal Investigator
      OTA Tsutomu
    • Project Period (FY)
      2009 – 2011
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geochemistry/Astrochemistry
    • Research Institution
      Okayama University
  •  コンドリュールの年代測定と局所酸素同位体分析Principal Investigator

    • Principal Investigator
      国広 卓也
    • Project Period (FY)
      2006 – 2007
    • Research Category
      Grant-in-Aid for Young Scientists (Start-up)
    • Research Field
      Geochemistry/Astrochemistry
    • Research Institution
      Okayama University

All 2022 2020 2019 2012 2011 2008 2007

All Journal Article Presentation

  • [Journal Article] The trace element composition of chondrule constituents: Implications for sample return methodologies and the chondrule silicate reservoir2022

    • Author(s)
      Tak Kunihiro, Tsutomu Ota, Masahiro Yamanaka, Christian Potiszil, Eizo Nakamura
    • Journal Title

      Meteoritics and Planetary Science

      Volume: 57 Issue: 2 Pages: 429-449

    • DOI

      10.1111/maps.13665

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K03952
  • [Journal Article] The Asteroid 162173 Ryugu: a Cometary Origin2022

    • Author(s)
      Hitoshi Miura, Eizo Nakamura, Tak Kunihiro
    • Journal Title

      The Astrophysical Journal Letters

      Volume: 925 Issue: 2 Pages: 1-10

    • DOI

      10.3847/2041-8213/ac4bd5

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K03952, KAKENHI-PROJECT-20K05347
  • [Journal Article] Magmatic-hydrothermal processes of the Laojunshan metamorphic massif in Southeastern Asia: Evidence from chemical and B-isotopic variations of deformed tourmalines2022

    • Author(s)
      Wei Li, Shuyun Cao, Eizo Nakamura, Tsutomu Ota, Zhong Liu, Yanlong Dong, Tak Kunihiro
    • Journal Title

      Lithos

      Volume: 412-413 Pages: 1-22

    • DOI

      10.1016/j.lithos.2022.106609

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K03952
  • [Journal Article] Nitrogenous Altered Volcanic Glasses as Targets for Mars Sample Return: Examples From Antarctica and Iceland2022

    • Author(s)
      M. P. Nikitczuk, G. E. Bebout, T. Ota, T. Kunihiro, J. F. Mustard, R. L. Flemming, R. Tanaka, S. A. Halldorsson, E. Nakamura
    • Journal Title

      Advancing Earth and Space Science

      Volume: 125 Issue: 2 Pages: 1-31

    • DOI

      10.1029/2021je007052

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03952, KAKENHI-PROJECT-20K04108
  • [Journal Article] The Albedo of Ryugu: Evidence for a High Organic Abundance, as Inferred from the Hayabusa2 Touchdown Maneuver2020

    • Author(s)
      Christian Potiszil, Ryoji Tanaka, Katsura Kobayashi, Tak Kunihiro, Eizo Nakamura
    • Journal Title

      Astrobiology

      Volume: 20 Issue: 7 Pages: 916-921

    • DOI

      10.1089/ast.2019.2198

    • NAID

      120007004817

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K03952, KAKENHI-PROJECT-20K04108
  • [Journal Article] Concentration of meteoritic free organic matter by fluid transport and adsorption2020

    • Author(s)
      Christian Potiszil, Ryoji Tanaka, Tsutomu Ota, Tak Kunihiro, Katsura Kobayashi, Eizo Nakamura
    • Journal Title

      Geochemical Perspectives Letters

      Volume: 13 Pages: 30-35

    • DOI

      10.7185/geochemlet.2010

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K03952
  • [Journal Article] Lithium- and oxygen-isotope compositions of chondrule constituents in the Allende meteorite2019

    • Author(s)
      Tak Kunihiro, Tsutomu Ota, Eizo Nakamura
    • Journal Title

      Geochimica et Cosmochimica Acta

      Volume: 252 Pages: 107-125

    • NAID

      120006995395

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K03952
  • [Journal Article] Hypervelocity collision and water-rock interaction in space preserved in the Chelyabinsk ordinary chondrite2019

    • Author(s)
      Nakamura, E., Kunihiro, T., Ota, T. and other 13 authors
    • Journal Title

      Proceedings of the Japan Academy, Series B

      Volume: 95 Issue: 4 Pages: 165-177

    • DOI

      10.2183/pjab.95.013

    • NAID

      130007630597

    • ISSN
      0386-2208, 1349-2896
    • Year and Date
      2019-04-11
    • Language
      English
    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K05706, KAKENHI-PROJECT-16K05578, KAKENHI-PROJECT-19K03952
  • [Journal Article] Space environment of an asteroid preserved on micrograins returned by the Hayabusa spacecraft2012

    • Author(s)
      Nakamura, E., Makishima, A., Moriguti, T., Kobayashi, K., Tanaka, R., Kunihiro, T., Tsujimori, T.他計18名
    • Journal Title

      PNAS Plus

      Volume: 109(11) Pages: 4031-4032

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740353
  • [Journal Article] The Oxygen Isotopic Composition of the Sun Inferred from Captured Solar Wind2011

    • Author(s)
      Mckeegan, K. D., Kallio, A. P. A., Heber, V. S., Jarzebinski, G., Mao, P. H., Coath, C. D., Kunihiro, T., Wiens, R. C., Nordholt, J. E., Moses Jr, R. W., Reisenfeld, D. B., Jurewicz, A. J. G., Burnett, D. S.
    • Journal Title

      Science

      Volume: 332 Pages: 1528-1532

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740353
  • [Journal Article] In situion-microprobe determination of trace element partition coefficients for hornblende, plagioclase, orthopyroxene, and apatite in equilibrium with natural rhyolitic glass2011

    • Author(s)
      Brophy, J. G., Ota, T., Kunihiro, T., Tsujimori, T., Nakamura, E
    • Journal Title

      Little Glass Mountain Rhyolite, California, Am. Min

      Volume: 96 Pages: 1838-1850

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740353
  • [Journal Article] In situ ion-microprobe determination of trace element partition coefficients for hornblende, plagioclase, orthopyroxene and apatite in equilibrium with natural rhyolitic glass2011

    • Author(s)
      Brophy J. G., Ota T., Kunihiro T., Tsujimori T., Nakamura E.
    • Journal Title

      Little Glass Mountain Rhyolite, California. American Mineralogist

      Volume: vol.96 Pages: 1838-1850

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540505
  • [Journal Article] MegaSIMS: A SIMS/AMS for measurement of the Sun's oxygen isotopic composition2008

    • Author(s)
      マオ, バネット, コース, ジョゼベンスキー, 国広, マッキーガン
    • Journal Title

      SIMS XVI 16

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18840030
  • [Journal Article] Oxygen Isotopes of Chondritic Components2008

    • Author(s)
      圦本, クロット, チョイ, アレオン, 国広, ブレアリー
    • Journal Title

      Reviews in Mineralogy and Geochemistry 68

      Pages: 141-186

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18840030
  • [Presentation] Initial analysis of the Hayabusa recovery materials : Trace-element and isotope abundance2011

    • Author(s)
      Kunihiro, T., et al
    • Organizer
      日本地球惑星連合2011大会
    • Place of Presentation
      幕張(千葉県)
    • Year and Date
      2011-05-26
    • Data Source
      KAKENHI-PROJECT-22740353
  • [Presentation] Initial analysis of the HAYABUSA recovery materials : Trace-element and isotope abundance2011

    • Author(s)
      T.Kunihiro, et al
    • Organizer
      日本地球惑星連合2011大会
    • Place of Presentation
      幕張メッセ(千葉県)
    • Year and Date
      2011-05-26
    • Data Source
      KAKENHI-PROJECT-22740353
  • [Presentation] A First Look at Oxygen in a Genesis Concentrator Sample2008

    • Author(s)
      マッキーガン, ジョゼベンスキー, カリオ, マオ, コース, 国広, ウェインズ, アリトン, カラウェイ, ロドリゲス
    • Organizer
      Lunar and Planetary Institute Conference Abstracts
    • Place of Presentation
      ヒューストン・アメリカ
    • Year and Date
      2008-03-10
    • Data Source
      KAKENHI-PROJECT-18840030
  • [Presentation] A SIMS/AMS to Measure the Sun's Oxygen Isotopic Composition2007

    • Author(s)
      マオ, コース, ジョゼベンスキー, 国広, マッキーガン
    • Organizer
      SIMS XV1
    • Place of Presentation
      金沢
    • Year and Date
      2007-11-01
    • Data Source
      KAKENHI-PROJECT-18840030
  • 1.  OTA Tsutomu (80379817)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 2.  MORIGUCHI Takuya (70304342)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  小林 桂 (20325129)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 4.  JAMES G. brophy
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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