2026 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)
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Session Details

Oral presentationR5: Extraterrestrial materials

R5: Extraterrestrial materials

Thu. Sep 24, 2026 2:15 PM - 6:00 PM JST
Thu. Sep 24, 2026 5:15 AM - 9:00 AM UTC
Room C (287)
Chairperson:Megumi Matsumoto, Toru Matsumoto(Kyoto University), Daiki Yamamoto(Kyushu University)
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[R5-10]Shock metamorphism of the surface particles of asteroid Ryugu (2)

*Naotaka TOMIOKA1, Masaaki Miyahara2, Kosuke Kurosawa3, Takaaki Noguchi4 (1. Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2. Hiroshima University, 3. Kobe University, 4. Kyoto University)
2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[R5-11]Distribution and chemical state of interlayer ammonium in clay minerals from asteroid Ryugu samples

*Toru MATSUMOTO1, Hayato Yuzawa2, Mizuho Koike3, Yoko Kebukawa4, Takaaki Noguchi1, Toru Yada5, Hiroki Suga6, Toshiaki Ina6, HIroshi Sakuma7, Yohei Shirose8, Yuki Kitamura9, Yohei Igami1, Akira Miyake1 (1. Kyoto University, 2. UVSOR, 3. Hiroshima University, 4. Science Tokyo, 5. JAXA/ISAS, 6. JASRI, 7. NIMS, 8. Ehime University, 9. JASCO)
2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[R5-12]Aqueous Alteration Experiments Using GEMS Analog Materials: Toward Understanding Aqueous Alteration in the Parent Bodies of Ryugu and Bennu

*Akira TSUCHIYAMA1,2, Haiyang Xian2, Mingqi Sun2, Xing Ding2, Satomi Enju3, Yuan Xu2, Yao Xiao2, Shengdong Chen2, Jiarui Lin2, Miaomiao Zhang2, Chenyi Zhao2, Kirika Otono4, Megumi Matsumoto5, Junya Matsuno6, Shogo Tachibana4 (1. Ritsumeikan Uni. ROST., 2. CAS GIG, 3. Ehime Univ. Sci., 4. Univ. Tokyo Sci., 5. Tohoku Univ. Sci., 6. Kyoto Univ. ICR)
3:00 PM - 3:30 PM JST(6:00 AM - 6:30 AM UTC)Invited Lecture

[R5-13]Physical Property Measurements of Returned Samples from Planetary Exploration: From Hayabusa2 to Future Missions

*Satoshi Tanaka1, Keisuke Onodera2, Takuya Ishizaki1 (1. Institute of Space and Astronautical Science, 2. Institute for Planetary Materials Okayama University)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[R5-14]Microscale Thermal Diffusivity Measurement of Oued Chebeika 002

*Takuya Ishizaki1, Kensaku Moriya2, Yuma Enokido1, Ryosuke Sakurai2, Jay Black2, Brandon Mahan2, Tomohiro Usui1 (1. JAXA, 2. The University of Melbourne)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)Student Presentation Award Entry

[R5-15]Mineralogical Diversity of Presolar Silicates: Implications for Their Formation and Evolution

*Hiroyuki Hashizume1, Aki Takigawa1 (1. The University of Tokyo)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[A_dLCPSk-7add]休憩

4:15 PM - 4:45 PM JST(7:15 AM - 7:45 AM UTC)Invited Lecture

[R5-16]Active Early Solar Activity Recorded by He-rich Schreibersite in Meteorite

*Tomoya Obase1,2,3, Ken-ichi Bajo3, Megumi Matsumoto4, Sohei Wada3,5, Hisayoshi Yurimoto3 (1. IPGP, 2. Science Tokyo, 3. Hokkaido Univ., 4. Tohoku Univ., 5. JAXA)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[R5-17]Relationship beteween chemical compositions of GEMS and solar flare tracks in silicate minerals in CP AMMs

*Takaaki NOGUCHI1, Rikako Matsumoto2,3, Minako Takase2,4, Takahito Tominaga2,5, Takuya Mitsunari6,7, Noriaki Ohashi6,8, Yuki Kitamura1,9, Akira Yamaguchi10 (1. Kyoto University, 2. Kyushu University, 3. Ine Town Hall, 4. Fukuoka City Science Museum, 5. Kai Corporation and Kai Industories Co., Ltd, 6. Ibaraki University, 7. Mitsubishi Electric Software Corporation, 8. NEC Networks & System Integration Corporation, 9. JASCO Corporation, 10. National Institute of Polar Research)
5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[R5-18]CAI Formation by Melting of Na-bearing Precursors

*Noriyuki Kawasaki1, Daiki Yamamoto2, Naoya Sakamoto1 (1. Hokkaido University, 2. Kyushu University)
5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)Student Presentation Award Entry

[R5-19]Experimental study of the phase transition from dmisteinbergite to anorthite: Constraint on the thermal history of CAIs

*Yasuaki Tsuruoka1, Shogo Tachibana1 (1. UTokyo Sci.)
5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)

[R5-20]Constraints on Type B CAI precursors and formation conditions from evaporation and crystallization experiments of CAI melts in low-pressure hydrogen gas

*Daiki YAMAMOTO1, Michiru Kamibayashi2, Noriyuki Kawasaki3, Yasuaki Tsuruoka2, Shogo Tachibana2, Hisayoshi Yurimoto3 (1. Kyushu University, 2. The University of Tokyo, 3. Hokkaido University)
5:45 PM - 6:00 PM JST(8:45 AM - 9:00 AM UTC)

[R5-21]Petrological, Mineralogical, and Chemical Comparison of a Type B1 CAI in NWA11343 with Experimentally Synthesized Type B1 CAIs.

*Joris LEONARD1, Yasuaki Tsuruoka1, Shogo Tachibana1 (1. UTokyo Sci.)
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