The 15th Symposium on Polar Science (3 – 5 December 2024)
[OA] Antarctic Meteorites
Scope
This session covers research topics from Antarctic meteorites and micrometeorites, as well as topics on non-Antarctic meteorites and extraterrestrial materials, and related experimental and theoretical works.
Conveners : Akira Yamaguchi (NIPR)
Oral presentations (09:50 – 11:45, 14:00– 16:30)
Room: Seminar room (D304 & D305)
Date: Thu. 4 December
| Chair: Naoya Imae (NIPR) | |||
|---|---|---|---|
| 09:50 - 10:00 | Message from the Convener | Akira Yamaguchi (NIPR) | |
| OAo1 | 10:00 - 10:15 | Molybdenum isotopic composition in carbonaceous chondrite meteorites | *Tatsuki Takeya (Inst. of Science Tokyo), Tetsuya Yokoyama (Inst. of Science Tokyo), Ikshu Gautam (Inst. of Science Tokyo) |
| OAo2 | 10:15 - 10:30 | Small-scale geochemical variations in CI chondrites and CI-like materials | *Karina López García (Inst. of Science Tokyo), Tetsuya Yokoyama (Inst. of Science Tokyo), Nao Nakanishi (Waseda Univ.), Ikshu Gautam (Inst. of Science Tokyo) |
| OAo3 | 10:30 - 10:45 | Formation and evolution of the CY chondrite parent body | *Yuto Takaki (Hiroshima Univ.), Masaaki Miyahara (Hiroshima Univ.), Akira Yamaguchi (NIPR), Naotaka Tomioka (JAMSTEC) |
| OAo4 | 10:45 - 11:00 | Chemical characterization of secondary minerals in CY chondrite Y 980115 | *Ryoga Maeda (JAMSTEC), Thibaut Van Acker (Ghent Univ.), Rei Kanemaru (JAXA), Frank Vanhaecke (Ghent Univ.), Akira Yamaguchi (NIPR), Steven Goderis (VUB) |
| OAo5 | 11:00 - 11:15 | Hydrogen content in CI, CY and CM chondrites | *Mitsuru Ebihara (Tokyo Metro. Univ.), Mohammad Amirul Islam (Tokyo Metropolitan Univ.), Naoki Shirai (Kanagawa Univ.), Aiko Nakato (NIPR), Akira Yamaguchi (NIPR), Takahito Osawa (JAEA) |
| OAo6 | 11:15 - 11:30 | Mineralogy, geochemistry and reflectance spectra of Jikharra 001, a eucrite melt breccia | *Ally Y. C. Wong (The Open Univ.), Ben G. Rider-Stokes (The Open Univ.), Lee F. White (The Open Univ.), Sam L. Jackson (The Open Univ.), Richard C. Greenwood (The Open Univ.), Mahesh Anand (The Open Univ.), Monica M. Grady (The Open Univ.) |
| OAo7 | 11:30 - 11:45 | Cathodoluminescence mineralogy of silica minerals in eucrites | *Rei Kanemaru (ISAS/JAXA), Akira Yamaguchi (NIPR), Naoya Imae (NIPR) |
| Lunch & Poster | |||
| Chair: Akira Yamaguchi (NIPR) | |||
| OAo8 | 14:00 - 14:15 | Constrains on the Internal Structure and Evolution Timescale of Asteroid 4 Vesta Based on ε142Nd-ε143Nd Distribution Inferred from Magma Ocean Crystallization Model | *Sojiro Yamazaki (The Univ. of Tokyo), Takashi Mikouchi (The Univ. of Tokyo), Akira Yamaguchi (NIPR) |
| OAo9 | 14:15 - 14:30 | The “hot shock” hypothesis for the formation of quenched angrites: Evidence from olivine xenocrysts in NWA 13363 | *Hideyuki Hayashi (National Museum of Nature and Science), Rikuto Honda (The Univ. of Tokyo), Takashi Mikouchi (Univ. Museum, The Univ. of Tokyo) |
| OAo10 | 14:30 – 14:45 | Mineralogical characteristics of the plagioclase xenocryst in a quenched angrite: Link between quenched and slowly-cooled angrites? | *Rikuto Honda (The Univ. of Tokyo), Hideaki Hayashi (National Museum of Nature and Science), Sojiro Yamazaki (The Univ. of Tokyo), Ben G. Rider-Stokes (The Open Univ.), Akira Yamaguchi (NIPR), Takashi Mikouchi (Univ. Museum, The Univ. of Tokyo) |
| OAo11 | 14:45 - 15:00 | The chemical compositions of Asuka and Yamato iron meteorites, and their classification | *Naoki Shirai (Kanagawa Univ.), Akira Yamaguchi (NIPR), Mitsuru Ebihara (Tokyo Metro. Univ.) |
| OAo12 | 15:00 - 15:15 | Contrasting Roles of Water during Late- and Post-Igneous Crystallization of Lunar vs. Terrestrial Gabbros: NWA 773 Clan of Lunar Meteorites vs. Murotomisaki Gabbroic Sill, Japan | *Timothy J. Fagan (Waseda Univ.), Fugo Hattori (Waseda Univ.) |
| OAo13 | 15:15 - 15:30 | A potential two-billion-year-old KREEP-rich lunar meteorite, Northwest Africa 16895. | *Mizuho Koike (Hiroshima Univ.), Ryosuke Sakai (Hiroshima Univ.), Ryoichi Nakada (JAMSTEC), Ben G. Rider-Stokes (The Open Univ.), Kohei Sasaki (AORI, The Univ. of Tokyo), Naoto Takahata (AORI, The Univ. of Tokyo) |
| OAo14 | 15:30 - 15:45 | Mineralogical Study of Characteristic Microstructure Formed at the Late Crystallization Stages of Basaltic Shergottites | *Shingo Fujioka (The Univ. of Tokyo), Takashi Mikouchi (The Univ. of Tokyo), Sojiro Yamazaki (The Univ. of Tokyo), Wataru Satake (Chiba Inst. of Tech.), Akira Yamaguchi (NIPR) |
| OAo15 | 15:45 - 16:00 | Chemical composition and shock conditions for low-temperature transformation of Fe-Cr-Ti spinel to its high-pressure phases in Martian meteorites | *Atsushi Takenouchi (Kyoto Univ.), Yohei Igami (Kyoto Univ.), Akira Miyake (Kyoto Univ.), Takashi Mikouchi (The Univ. of Tokyo), Akira Yamaguchi (NIPR) |
| OAo16 | 16:00 - 16:15 | An aerial drone equipped with a hyperspectral imaging system: Application to Greenland and Antarctica meteorite survey | *Levente Tóth (John Neumann Univ.), Arnold Gucsik (Eszterházy Károly Catholic Univ.) |
| OAo17 | 16:15 - 16:30 | Asteroids, Do Look Up! – A school’s outreach project using Arctic and Antarctic micrometeors and meteor cameras | *Richard C. Greenwood (The Open Univ.), Sara S. Russell (The Natural History Museum), Liam Perara (Diamond Light Source), Ashley J. King (The Natural History Museum), Alice Dunford (The Open Univ.), Martin D. Suttle(The Open Univ.), Sharif Ahmed (Diamond Light Source), Mahesh Anand (The Open Univ.), Motoo Ito (JAMSTEC), James Malley, Marissa Davis (The Griffin Schools Trust) |
Poster presentations (Core time: 12:30 – 13:50)
Room: Atrium (1st floor)
Date: Thu. 4 December
| OAp1 | Mt. Oikeyama as the first probable impact structure in Japan: Revisited | *Arnold Gucsik (Eszterházy Károly Catholic Univ.) |
|---|---|---|
| OAp2 | Fizzed troilite in a mesosiderite Asuka881154 | *Naoji Sugiura (Chiba Inst. of Tech.), Tomoko Arai (Chiba Inst. of Tech.) |
| OAp3 | Assessing HED affinities in achondrites: A comparison of Asuka-881394 and Al Bir Lahlou 001 | Ben G. Rider-Stokes (The Open Univ.), *Ally Y. C. Wong (The Open Univ.), Akira Yamaguchi (NIPR), Sam L. Jackson (The Open Univ.), Richard C. Greenwood (The Open Univ.), Monica M. Grady (The Open Univ.), Mahesh Anand (The Open Univ.) |
| OAp4 | Relationship between shock history and radiometric dating of Martian meteorite | *Hisanori Higuchi (Hiroshima Univ.), Masaaki Miyahara (Hiroshima Univ.), Takeshi Sakai (Geodynamics Research Center, Ehime Univ.), Naotaka Tomioka (JAMSTEC), Akira Yamaguchi (NIPR) |
| OAp5 | Planet Formation: What We Can Learn from the 3D Modeling of Chondrules | *József Vanyó (Eszterházy Károly Catholic Univ.), Arnold Gucsik (Eszterházy Károly Catholic Univ.) |
| OAp6 | Meteoritic and terrestrial chromium abundances. Implications for the heavy element budget of terrestrial planetary cores. | *Peter Futó (Univ. of Debrecen), Arnold Gucsik (Esterházy Károly Catholic Univ.) |
| OAp7 | The interstellar alloy: future perspectives | *Arnold Gucsik (Eszterházy Károly Catholic Univ.) |
| OAp8 | Identification and Distribution of Evaporites in Antarctic Meteorites | *Aiko Nakato (NIPR), Naoya Imae (NIPR), Akira Yamaguchi (NIPR) |