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Reconstruction of paleo-planetary field evolution based on shock remanent magnetizations

Research Project

Project/Area Number 21H01140
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 17010:Space and planetary sciences-related
Research InstitutionThe University of Tokyo

Principal Investigator

Sato Masahiko  東京大学, 大学院理学系研究科(理学部), 特任研究員 (50723277)

Co-Investigator(Kenkyū-buntansha) 長谷川 直  国立研究開発法人宇宙航空研究開発機構, 宇宙科学研究所, 主任研究開発員 (10399553)
高橋 太  九州大学, 理学研究院, 准教授 (20467012)
黒澤 耕介  千葉工業大学, 惑星探査研究センター, 上席研究員 (80616433)
Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2023: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2022: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2021: ¥13,130,000 (Direct Cost: ¥10,100,000、Indirect Cost: ¥3,030,000)
Keywords衝突残留磁化 / 惑星磁場 / 磁気測定 / 衝突実験 / 惑星探査
Outline of Research at the Start

惑星磁場は惑星中心の液体金属核が対流する事により生成・維持されており,また,表層環境・生命居住環境は惑星磁場の強度変化に伴って劇的に変化する.従って,惑星磁場強度進化の解明は,惑星・生命進化研究において必要不可欠である.本研究では,衝突残留磁化を用いた新手法により,地球型惑星の形成初期における磁場強度の変遷を明らかにする.そのために,衝突現象に伴う岩石の磁場記録獲得モデルを実験に基づいて構築し,そのモデルを使って,人工衛星によって地球型惑星の衝突盆地上空で観測された衝突残留磁化の記録を読み解く事で,地球型惑星の磁場強度進化を明らかにし,惑星・生命進化に関する議論を行う.

Outline of Final Research Achievements

Knowledge on the evolution of magnetic field is key to understanding planetary evolution. The planetary field strength at the time of an impact event could be reconstructed by interpreting the remanence record of crustal rocks from the magnetic field observation data above craters. This study focuses on shock remanent magnetization and constructs a spatial distribution model of shock remanence based on impact experiments, remanence measurements, and impact simulations. Magnetic anomalies above the crater can be estimated using the obtained distribution model. This result enables us to predict the distribution of magnetic anomalies above the crater based on the impact conditions and the strength of the paleo-planetary field, and to link the magnetic field observation above the crater with the strength of the paleo-planetary field at the time of the impact event.

Academic Significance and Societal Importance of the Research Achievements

本研究で得られた衝突磁化分布モデルを用いる事で,クレーター上空の磁場観測データから衝突イベント時の惑星磁場強度を復元する事が可能となった.これまでの惑星探査による既存の磁場観測データに加えて,BepiColomboなどの将来的な探査により得られる観測データから,月・火星・水星などの地球型惑星の磁場強度変遷に関する情報が得られると期待される.地球型惑星の磁場進化理解が大きく進展する事に加えて,磁場進化に基づいて惑星内部・表層環境・生命居住環境の進化など惑星システムの変遷理解も大きく進展すると期待される.

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • Research Products

    (59 results)

All 2024 2023 2022 2021

All Journal Article (13 results) (of which Int'l Joint Research: 11 results,  Peer Reviewed: 13 results,  Open Access: 12 results) Presentation (46 results) (of which Int'l Joint Research: 17 results,  Invited: 3 results)

  • [Journal Article] Effects of Pressure and Temperature Changes on Shock Remanence Acquisition for Single-Domain Titanomagnetite-Bearing Basalt2024

    • Author(s)
      Masahiko Sato, Kosuke Kurosawa, Sunao Hasegawa, Futoshi Takahashi
    • Journal Title

      JGR Planets

      Volume: 129 Issue: 3

    • DOI

      10.1029/2023je007864

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] A brief review of single silicate crystal paleointensity: rock-magnetic characteristics, mineralogical backgrounds, methods and applications2024

    • Author(s)
      Kato Chie、Usui Yoichi、Sato Masahiko
    • Journal Title

      Earth, Planets and Space

      Volume: 76 Issue: 1 Pages: 49-49

    • DOI

      10.1186/s40623-024-01994-w

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Candidate Main-belt Asteroids for Surface Heterogeneity2024

    • Author(s)
      Hasegawa Sunao、Marsset Micha?l、DeMeo Francesca E.、Hanu? Josef、Binzel Richard P.、Bus Schelte J.、Burt Brian、Polishook David、Thomas Cristina A.、Geem Jooyeon、Ishiguro Masateru、Kuroda Daisuke、Vernazza Pierre
    • Journal Title

      The Astronomical Journal

      Volume: 167 Issue: 5 Pages: 224-224

    • DOI

      10.3847/1538-3881/ad3045

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Visualization of nanoscale magnetic domain states in the asteroid Ryugu2023

    • Author(s)
      Kimura, Yuki; Kato, Takeharu; Tanigaki, Toshiaki and 33 more (Yabuta, H.は27番目)
    • Journal Title

      Scientific Reports

      Volume: 13 Issue: 1 Pages: 14096-14096

    • DOI

      10.1038/s41598-023-41242-x

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A history of mild shocks experienced by the regolith particles on hydrated asteroid Ryugu2023

    • Author(s)
      Tomioka Naotaka、Yamaguchi Akira、Ito Motoo、Uesugi Masayuki、Imae Naoya、Shirai Naoki、Ohigashi Takuji、Kimura Makoto、Liu Ming-Chang、Greenwood Richard C., et al.
    • Journal Title

      Nature Astronomy

      Volume: 7 Issue: 6 Pages: 669-677

    • DOI

      10.1038/s41550-023-01947-5

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Experimental Evidence for Shear‐Induced Melting and Generation of Stishovite in Granite at Low (<18 GPa) Shock Pressure2023

    • Author(s)
      Hamann Christopher、Kurosawa Kosuke、Ono Haruka、Tada Toshihiro、Langenhorst Falko、Pollok Kilian、Genda Hidenori、Niihara Takafumi、Okamoto Takaya、Matsui Takafumi
    • Journal Title

      Journal of Geophysical Research: Planets

      Volume: 128 Issue: 6

    • DOI

      10.1029/2023je007742

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] MASCOT’s in situ analysis of asteroid Ryugu in the context of regolith samples and remote sensing data returned by Hayabusa22023

    • Author(s)
      Otto Katharina, ... Koji Wada et al.
    • Journal Title

      Earth, Planets and Space

      Volume: 75 Issue: 1 Pages: 51-51

    • DOI

      10.1186/s40623-023-01805-8

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples2023

    • Author(s)
      Nakamura T.、Matsumoto M.、Amano K.、Enokido Y.、Zolensky M. E.、Mikouchi T.、Genda H.、Tanaka S.、Zolotov M. Y.、Kurosawa K. .. Yabuta H. ... et al.
    • Journal Title

      Science

      Volume: 379 Issue: 6634 Pages: 8671-8671

    • DOI

      10.1126/science.abn8671

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Rock Magnetic Characterization of Returned Samples From Asteroid (162173) Ryugu: Implications for Paleomagnetic Interpretation and Paleointensity Estimation2022

    • Author(s)
      Sato Masahiko、Kimura Yuki、Tanaka Satoshi、Hatakeyama Tadahiro、Sugita Seiji、Nakamuna Tomoki、Tachibana Shogo、Yurimoto Hisayoshi、Noguchi Takaaki、Okazaki Ryuji、Yabuta Hikaru et al.
    • Journal Title

      Journal of Geophysical Research: Planets

      Volume: 127 Issue: 11 Pages: 7405-7405

    • DOI

      10.1029/2022je007405

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Two-step movement of tsunami boulders unveiled by modified viscous remanent magnetization and radiocarbon dating2022

    • Author(s)
      Sato, T., Sato, M., Yamada, M., Saito, H., Satake, K., Nakamura, N., Goto, K., Miyairi, Y., Yokoyama, Y.
    • Journal Title

      Scientific Reports

      Volume: 12 Issue: 1 Pages: 112-112

    • DOI

      10.1038/s41598-022-17048-8

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The Appearance of a “Fresh” Surface on 596 Scheila as a Consequence of the 2010 Impact Event2022

    • Author(s)
      Hasegawa Sunao、Marsset Michael、DeMeo Francesca E.、Bus Schelte J.、Ishiguro Masateru、Kuroda Daisuke、Binzel Richard P.、Hanus Josef、Nakamura Akiko M.、Yang Bin、Vernazza Pierre
    • Journal Title

      The Astrophysical Journal Letters

      Volume: 924 Issue: 1 Pages: L9-L9

    • DOI

      10.3847/2041-8213/ac415a

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Shock Remanent Magnetization Intensity and Stability Distributions of Single‐Domain Titanomagnetite‐Bearing Basalt Sample Under the Pressure Range of 0.1?10?GPa2021

    • Author(s)
      Sato Masahiko、Kurosawa Kosuke、Kato Shota、Ushioda Masashi、Hasegawa Sunao
    • Journal Title

      Geophysical Research Letters

      Volume: 48 Issue: 8 Pages: 1-9

    • DOI

      10.1029/2021gl092716

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Discovery of Two TNO-like Bodies in the Asteroid Belt2021

    • Author(s)
      Hasegawa Sunao、Marsset Michael、DeMeo Francesca E.、Bus Schelte J.、Geem Jooyeon、Ishiguro Masateru、Im Myungshin、Kuroda Daisuke、Vernazza Pierre
    • Journal Title

      The Astrophysical Journal Letters

      Volume: 916 Issue: 1 Pages: L6-L6

    • DOI

      10.3847/2041-8213/ac0f05

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] 標的の強度境界付近にできる衝突クレーター2024

    • Author(s)
      鈴木絢子, 長谷川直, 佐藤雅彦, 山本裕也
    • Organizer
      宇宙科学に関する室内実験シンポジウ
    • Related Report
      2023 Annual Research Report
  • [Presentation] 粉体標的の衝突点近傍物質の無飛散回収2024

    • Author(s)
      黒澤耕介, 佐藤雅彦, 大野遼, 富岡尚敬, 新原隆史, 長谷川直
    • Organizer
      宇宙科学に関する室内実験シンポジウ
    • Related Report
      2023 Annual Research Report
  • [Presentation] Searching for Primordial Dirac Magnetic Monopoles in a sample from Asteroid Ryugu returned by the Hayabusa2 mission2023

    • Author(s)
      J. Kirschvinkほか
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Magnetic mineral assemblages of a marine sediment core subjected to reductive diagenesis and their contributions to paleomagnetic signals2023

    • Author(s)
      J. Li, T. Yamazaki, M. Sato, J. Kuroda
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Viscous remanent magnetization unveils hidden tsunami record of boulders on Itogahama beach in Beppu Bay2023

    • Author(s)
      佐藤哲郎, 山田昌樹, 佐藤雅彦, 浅香成哉
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Unlocking information about reworking movements of tsunami boulders from paleomagnetic dating2023

    • Author(s)
      佐藤哲郎ほか
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Hypervelocity Impacts on granular materials: Temperature Distribution near the Impact Point2023

    • Author(s)
      黒澤耕介, 佐藤雅彦, 大野遼, 富岡尚敬, 新原隆史, 長谷川直
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Rock-magnetic and paleomagnetic studies of returned samples from asteroid (162173) Ryugu2023

    • Author(s)
      佐藤雅彦ほか
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Intensity of the ancient Martian magnetic field estimated from the strong magnetic anomaly data: strong or weak dynamo field?2023

    • Author(s)
      佐藤雅彦, 潮田雅司, 中田亮一, 田村裕二郎, 山本伸次, 小澤一仁, 高橋太
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Magnetic Domain Structure and Formation Processes of Magnetic Minerals in the Asteroid fragments brought back by Hayabusa22023

    • Author(s)
      木村勇気ほか
    • Organizer
      顕微鏡学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Different contributions to paleomagnetic signals subjected to diagenesis: Overlooked hematite vs. overstated magnetic inclusions2023

    • Author(s)
      J. Li, T. Yamazaki, M. Sato, J. Kuroda
    • Organizer
      地球電磁気・地球惑星圏学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Viscous remanent magnetization dating of reworked boulders from Beppu Bay2023

    • Author(s)
      佐藤哲郎, 山田昌樹, 佐藤雅彦, 浅香成哉
    • Organizer
      地球電磁気・地球惑星圏学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Strong magnetic anomalies record the weak dynamo field of ancient Mars2023

    • Author(s)
      佐藤雅彦, 潮田雅司, 中田亮一, 田村裕二郎, 山本伸次, 小澤一仁, 高橋太, 坂田遼弥, 関華奈子
    • Organizer
      地球電磁気・地球惑星圏学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Electron holography observation of presudo-magnetites and metallic iron nanoparticles in space weathered Ryugu sample2023

    • Author(s)
      Y. Kimura et al.
    • Organizer
      HAYABUSA2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Experimental Constraints on Dirac Magnetic Monopole Concentration in Primordial Material from Asteroid Ryugu2023

    • Author(s)
      M. Sowell et al.
    • Organizer
      American Geophysical Union Fall Meeting
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Estimation of the magnetic field intensity of ancient Mars using the magnetic anomaly data2023

    • Author(s)
      M. Sato, M. Ushioda, R. Nakada, Y. Tamura, S. Yamamoto, K. Ozawa, F. Takahashi, R. Sakata, K. Seki
    • Organizer
      American Geophysical Union Fall Meeting
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Rock Magnetic Characterization of Returned Samples From Asteroid (162173) Ryugu2023

    • Author(s)
      M. Sato et al.
    • Organizer
      American Geophysical Union Fall Meeting
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Mild shock metamorphism experienced by surface particles of asteroid Ryugu2023

    • Author(s)
      富岡尚敬ほか
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Hypervelocity Impacts on granular materials: Temperature Distribution near the Impact Point2023

    • Author(s)
      佐藤ほか
    • Organizer
      宇宙科学に関する室内実験シンポジウム
    • Related Report
      2022 Annual Research Report
  • [Presentation] Pressure and temperature dependence of shock remanence intensity2023

    • Author(s)
      黒澤ほか
    • Organizer
      宇宙科学に関する室内実験シンポジウム
    • Related Report
      2022 Annual Research Report
  • [Presentation] TEMPERATURE OF GRANULAR MATERIALS IMMEDIATELY BENEATH THE IMPACT POINT2023

    • Author(s)
      Kurosawa et al.
    • Organizer
      Lunar and Planetary Science Conference
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Physical Properties of constituent material of the regolith of Ryugu2022

    • Author(s)
      田中ほか
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] Paleomagnetic Dating on Tsunami Boulders from Tongatapu Island and Eua Island, the Kingdom of Tonga2022

    • Author(s)
      佐藤ほか
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Pressure, temperature, and magnetic field dependence of shock remanence properties of single-domain titanomagnetite2022

    • Author(s)
      佐藤ほか
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Magnetic domain structure of magnetite collected by the Hayabusa2 spacecraft2022

    • Author(s)
      木村ほか
    • Organizer
      顕微鏡学会
    • Related Report
      2022 Annual Research Report
  • [Presentation] ANALYSIS OF SAMPLES FROM ASTEROID RYUGU RETURNED BY HAYABUSA22022

    • Author(s)
      T. Nakamura et al.
    • Organizer
      COSPAR Scientific Assembly
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Overview of initial analysis activity of Hayabusa2-returned sample from C-type near-Earth asteroid (162713) Ryugu2022

    • Author(s)
      S. Tachibana et al.
    • Organizer
      Goldschmidt Conference
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Magnetic Domain Structure of Magnetite Particles in the Return Sample from Asteroid Ryugu by the Hayabusa2 Mission2022

    • Author(s)
      Y. Kimura et al.
    • Organizer
      Microscopy and Microanalysis Meeting
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] INITIAL ANALYSIS ACTIVITY OF HAYABUSA2-RETURNED SAMPLES FROM C-TYPE NEAR-EARTH ASTEROID (162173) RYUGU2022

    • Author(s)
      S. Tachibana et al.
    • Organizer
      METSOC
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ANALYSIS OF “STONE” SAMPLES FROM C-TYPE ASTEROID RYUGU2022

    • Author(s)
      T. Nakamura et al.
    • Organizer
      METSOC
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Recovery of the shocked materials around the epicenter during hypervelocity impacts onto granular materials2022

    • Author(s)
      黒澤ほか
    • Organizer
      地球化学会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 小惑星リュウグウ試料の粗粒粒子分析結果2022

    • Author(s)
      中村ほか
    • Organizer
      日本惑星科学会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Rock-magnetic and paleomagnetic studies of returned samples from asteroid (162173) Ryugu2022

    • Author(s)
      佐藤ほか
    • Organizer
      日本惑星科学会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Unmixing magnetic mineral assemblages of a western equatorial Pacific sediment core subjected to reductive diagenesis2022

    • Author(s)
      李ほか
    • Organizer
      地球電磁気・地球惑星圏学会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Viscous remanent magnetization and radiocarbon dating reveal the multiple movements of tsunami boulders on Ishigaki Island2022

    • Author(s)
      佐藤ほか
    • Organizer
      地球電磁気・地球惑星圏学会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Shock remanence distribution of single-domain titanomagnetite-bearing basalt sample2022

    • Author(s)
      佐藤ほか
    • Organizer
      地球電磁気・地球惑星圏学会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Contribution of silicate-hosted magnetic inclusions to paleomagnetic signals recovered from a western equatorial Pacific sediment core subjected to reductive diagenesis2022

    • Author(s)
      Li et al.
    • Organizer
      American Geophysical Union Fall Meeting
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Shock remanence distribution of single-domain titanomagnetite-bearing basalt sample: implications for magnetic anomaly over impact crater2022

    • Author(s)
      Sato et al.
    • Organizer
      American Geophysical Union Fall Meeting
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Rock-magnetic and paleointensity studies of returned samples from asteroid (162173) Ryugu2022

    • Author(s)
      Sato et al.
    • Organizer
      American Geophysical Union Fall Meeting
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Pressure, temperature, and applied field dependence of shock remanence properties of single-domain titanomagnetite2022

    • Author(s)
      佐藤雅彦、黒澤耕介、長谷川直、加藤翔太、潮田雅司、高橋太
    • Organizer
      宇宙科学に関する室内実験シンポジウム
    • Related Report
      2021 Annual Research Report
  • [Presentation] REPRESENTATIVE SURFACE SAMPLES RETURNED FROM NEAR-EARTH C-TYPE ASTEROID (162173) RYUGU AND THEIR INITIAL ANALYSIS2022

    • Author(s)
      S. Tachibana et al. (incl. M. Sato)
    • Organizer
      Lunar and Planetary Science Conference
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] MAGNETIC STRUCTURE OF FRAMBOIDAL MAGNETITE IN RETURNED SAMPLE FROM ASTEROID RYUGU2022

    • Author(s)
      Y. Kimura et al. (incl. M. Sato)
    • Organizer
      Lunar and Planetary Science Conference
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Physical properties of the returned sample of Ryugu by Hayabusa2 mission2022

    • Author(s)
      S. Tanaka et al. (incl. M. Sato)
    • Organizer
      Lunar and Planetary Science Conference
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] EARLY HISTORY OF RYUGU’S PARENT ASTEROID: EVIDENCE FROM RETURN SAMPLE2022

    • Author(s)
      T. Nakamura et al. (incl. M. Sato)
    • Organizer
      Lunar and Planetary Science Conference
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Shock remanent magnetization intensity and stability structures of single-domain titanomagnetite-bearing basalt sample2021

    • Author(s)
      佐藤雅彦、黒澤耕介、加藤翔太、潮田雅司、長谷川直
    • Organizer
      日本地球惑星科学連合大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Basic properties of shock remanent magnetization for single-domain titanomagnetite2021

    • Author(s)
      佐藤雅彦、黒澤耕介、加藤翔太、潮田雅司、長谷川直、高橋太
    • Organizer
      地球電磁気・地球惑星圏学会
    • Related Report
      2021 Annual Research Report

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Published: 2021-04-28   Modified: 2025-01-30  

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