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Studies of magmas under pressure by using high-pressure X-ray tomography

Research Project

Project/Area Number 19KK0093
Research Category

Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 17:Earth and planetary science and related fields
Research InstitutionEhime University

Principal Investigator

Kono Yoshio  愛媛大学, 地球深部ダイナミクス研究センター, 准教授 (20452683)

Co-Investigator(Kenkyū-buntansha) 近藤 望  愛媛大学, 地球深部ダイナミクス研究センター, 特定研究員 (70824275)
桑原 秀治  愛媛大学, 地球深部ダイナミクス研究センター, 助教 (50505394)
大平 格  学習院大学, 理学部, 助教 (90873159)
Project Period (FY) 2019-10-07 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2022: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2021: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2020: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywordsマグマ / X線トモグラフィー / 高圧 / 弾性波速度 / メルト構造 / メルト
Outline of Research at the Start

地球内部のマグマ過程を理解する上で、高圧下におけるメルトの物性とメルトが岩石中にどのような形で存在するかを理解することは重要である。本研究では、高圧プレス実験と組み合わせたX線トモグラフィー測定を備えるアメリカの放射光X線施設APSにおいて、高圧X線トモグラフィーを活用した高圧下のマグマ研究を推進する。海外共同研究者が持つ高圧X線トモグラフィー実験技術と研究代表者が持つ先端的な高圧高温実験技術を組み合わせることにより、高圧下におけるメルト・ガラスの密度変化と圧縮曲線の研究、高圧下における岩石中のメルトの3次元分布構造の変化とそれに伴う弾性波速度変化の研究を行う。

Outline of Final Research Achievements

We conducted international collaboration researches by using three-dimensional X-ray microtomography measurements of melt-bearing rock samples and pair distribution function measurements of glasses at the Advanced Photon Source in USA, and by using high-pressure elastic wave velocity measurement at the SPring-8 in Japan. X-ray microtomography measurement enabled us to understand geometry of melt in rock sample. By combining elastic wave velocity measurement with melt geometry analysis using X-ray microtomography measurement, we succeeded in discussing the effect of melt on elastic wave velocity. The results provide important knowledge to discuss existence of magmas in the Earth and planetary interiors from seismological observations.

Academic Significance and Societal Importance of the Research Achievements

地球内部の高圧下におけるマグマの物理的性質と、さらにマグマがどのように岩石中に存在するかを理解することは、地球内部におけるマグマの状態・挙動を理解するという学術的意義だけでなく、マグマの上昇により引き起こされる火山噴火現象などの社会的課題の物質科学的理解のためにも重要である。本研究では、アメリカの放射光X線施設Advanced Photon Sourceの研究者と国際共同研究を推進することにより、(1)岩石中のメルトの形状・分布とそれが地震波速度へ与える影響の研究と、(2)高圧下におけるマグマの圧縮挙動についての研究、を行った。

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (18 results)

All 2022 2021 2020 Other

All Int'l Joint Research (3 results) Journal Article (5 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 4 results,  Open Access: 1 results) Presentation (10 results) (of which Int'l Joint Research: 3 results,  Invited: 3 results)

  • [Int'l Joint Research] Advanced Photon Source(米国)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] シカゴ大学(米国)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] Advanced Photon Source(米国)

    • Related Report
      2021 Research-status Report
  • [Journal Article] Experimental evidence of tetrahedral symmetry breaking in SiO2 glass under pressure2022

    • Author(s)
      Y. Kono, K. Ohara, N. Kondo, H. Yamada, S. Hiroi, F. Noritake, K. Nitta, O. Sekizawa, Y. Higo, Y. Tange, H. Yumoto, T. Koyama, H. Yamazaki, Y. Senba, H. Ohashi, S. Goto, I. Inoue, Y. Hayashi, K. Tamasaku, T. Osaka, J. Yamada, M. Yabashi
    • Journal Title

      Nature Communications

      Volume: 13 Issue: 1 Pages: 2292-2292

    • DOI

      10.1038/s41467-022-30028-w

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 高圧環境下その場におけるガラスの構造・物性研究2022

    • Author(s)
      河野義生,佐藤友子
    • Journal Title

      放射光

      Volume: 35 Pages: 285-294

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 高圧下におけるSiO2ガラスの四面体構造変化のその場測定2022

    • Author(s)
      河野義生
    • Journal Title

      Spring-8/SACLA利用者情報

      Volume: 27 Pages: 294-299

    • Related Report
      2022 Annual Research Report
  • [Journal Article] Continuous measurement of ultrasonic elastic wave velocities, X-ray radiography and X-ray diffraction of Zr50Cu40Al10 metallic glass at high pressure and high temperature conditions2021

    • Author(s)
      Kono Yoshio、Higo Yuji、Greaux Steeve、Shibazaki Yuki、Yamada Rui、Kuwahara Hideharu、Kondo Nozomi
    • Journal Title

      High Pressure Research

      Volume: 41 Issue: 3 Pages: 219-232

    • DOI

      10.1080/08957959.2021.1941000

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Structural Evolution of SiO2 Glass with Si Coordination Number Greater than 62020

    • Author(s)
      Kono Yoshio、Shu Yu、Kenney-Benson Curtis、Wang Yanbin、Shen Guoyin
    • Journal Title

      Physical Review Letters

      Volume: 125 Issue: 20 Pages: 205701-205701

    • DOI

      10.1103/physrevlett.125.205701

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] SiO2 ガラスにおける四面体構造の変化の高圧下その場放射光X 線測定2022

    • Author(s)
      河野義生,尾原幸治,近藤望,山田大貴,廣井慧,則竹史哉,新田清文,関澤央輝,肥後祐司,丹下慶範,湯本博勝,小山貴久,山崎裕史,仙波泰徳,大橋治彦,後藤俊治,井上伊知郎,林雄二郎,玉作賢治,大坂泰斗,山田純平,矢橋牧名
    • Organizer
      第63回高圧討論会
    • Related Report
      2022 Annual Research Report
  • [Presentation] MgSiO3ガラスとCaSiO3ガラスの異なる高圧構造変化2022

    • Author(s)
      近藤望、河野義生、大平格、Rostislay Hrubiak, 尾原幸治、新田清文、関沢央輝
    • Organizer
      地球化学会2022年度年会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Structural study of silica-free calcium aluminate glass at high-pressures using the synchrotron X-ray facilities2022

    • Author(s)
      I. Ohira, Y. Kono, S. Greaux, N. M. Kondo, R. Hrubiak, and Y. Higo
    • Organizer
      Japan Geoscience Union Meeting 2022
    • Related Report
      2022 Annual Research Report
  • [Presentation] Structure measurement of silicate and oxide glasses under ultrahigh pressure conditions to >100 GPa2021

    • Author(s)
      Kono, Y., Ohira, I., Shu, Y., Wang, Y., Shen, G.
    • Organizer
      10th Asian Conference on High Pressure Research
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 高温高圧下における液体・非晶質物質のPDF解析2021

    • Author(s)
      河野義生
    • Organizer
      SPring-8シンポジウム2021
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] 圧力最大120GPaにおけるSiO2ガラスの超高圧構造変化2021

    • Author(s)
      河野義生,SHU Yu,KENNEY-BENSON Curtis,WANG Yanbin,SHEN Guoyin
    • Organizer
      第62回高圧討論会
    • Related Report
      2021 Research-status Report
  • [Presentation] MgSiO3ガラスとCaSiO3ガラスの高圧構造変化2021

    • Author(s)
      近藤望,河野義生,大平格,HRUBIAK Ross,尾原幸治,新田清文,関澤央輝
    • Organizer
      第62回高圧討論会
    • Related Report
      2021 Research-status Report
  • [Presentation] 高圧下におけるSiO2-Al2O3ガラスの構造と弾性波速度2021

    • Author(s)
      大平格,河野義生,GREAUX Steeve,近藤望,桑原秀治,SHEN Guoyin
    • Organizer
      第62回高圧討論会
    • Related Report
      2021 Research-status Report
  • [Presentation] X-ray Research with PE press2021

    • Author(s)
      Yoshio Kono
    • Organizer
      Workshop 'Compact Synchrotron Sources and New X-ray Science Opportunities'
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] X-ray diffraction measurements on aluminosilicate glasses at ultrahigh-pressure conditions2020

    • Author(s)
      Itaru Ohira
    • Organizer
      Japan Geoscience Union - American Geophysical Union Joint Meeting 2020
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research

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Published: 2019-10-10   Modified: 2024-01-30  

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