大学共同利用機関法人 情報・システム研究機構 国立極地研究所
第6回極域科学シンポジウム（2015年11月16日〜11月19日）

- Special session
  - [S] Warming in the Arctic and Its Influences – GRENE Arctic Climate Change Research Project and the Next New Directions
    [S] 北極温暖化とその影響 ―GRENE 北極気候変動プロジェクトと新しい方向性―
- Interdisciplinary sessions
  - [IA] Rapid Change of the Arctic Climate System and its Global Influences -New research results from GRENE Arctic Climate Change Research project, 2015-
    [IA] 急変する北極気候システム及びその全球的な影響の総合的解明 ―GRENE北極気候変動研究事業研究成果報告2015―
  - [IB1] Biogeochemical studies in the seasonally ice-covered seas
    [IB1] 海氷域における生物地球化学的研究
  - [IB2] Systematic Analysis for Global Environmental Change and Life on Earth (SAGE)
    [IB2] 地球環境変動の解析と地球生命システム学の構築
  - [IG] Giant reservoirs of heat/water/materials : Global environmental changes driven by the Southern Ocean and the Antarctic Ice Sheet
    [IG] 全球環境変動を駆動する南大洋・南極氷床
  - [IM] Middle atmosphere and thermosphere
    [IM] 中層大気・熱圏
- Ordinary sessions
  - [OS] Space and upper atmospheric sciences
    [OS] 宙空圏
  - [OM] Polar meteorology and glaciology
    [OM] 極域気水圏
  - [OG] Polar geosciences
    [OG] 地圏
  - [OB] Polar biology (16 November)
    [OB] 極域生物圏（11月16日）
  - [OB] Polar biolog (17 November)y
    [OB] 極域生物圏（11月17日）
  - [OA] Antarctic meteorites (16 November)
    [OA] 南極隕石（11月16日）
  - [OA] Antarctic meteorites (17 November)
    [OA] 南極隕石（11月17日）
- Time Table

Oral session on Monday │ Poster session │ Oral session on Tuesday

# [OA] Antarctic meteorites
[OA] 南極隕石

Scopes
This session is to present recent research outcomes for Antarctic meteorites. It will also be an opportunity for general and topical discussion sessions dealing with new data from non-Antarctic meteorites and planetary research.

Convener: Akira Yamaguchi (NIPR)

セッションの趣旨
本セッションは、南極隕石からの最新の成果について議論されます。また、非南極隕石や惑星科学について議論されます。

コンビーナ：山口 亮（国立極地研究所）

## Oral presentations (09:50 - 12:00, 13:00 - 16:30)

### Date : Mon. 16 Nov.
Note : This session will be continued on Tuesday.
Place : 2F Auditorium, National Institute for Japanese Language and Linguistics
口頭発表会場：国語研究所 2階 講堂

Chairs: Mutsumi Komatsu (SOKENDAI), Michael Zolensky (NASA) 座長：小松睦美（総研大）・Michael Zolensky（NASA）
09:50 - 10:00 | Opening Talk | *Akira Yamaguchi (NIPR)
10:00 - 10:15 | Current status and future prospects of JAXA’s Astromaterials Reseach Group | *Masanao Abe (ISAS), Toru Yada (ISAS), Masayuki Uesugi (ISAS), Yuzuru Karouji (ISAS), Aiko Nakato (ISAS), Kazuya Kumagai (ISAS), Masahiro Nishimura (ISAS), Tatsuaki Okada (ISAS) |
JAXA地球外物質研究グループの現状と展望 | *安部正真（宇宙研）、矢田 達（宇宙研）、上椙真之（宇宙研）、唐牛 譲（宇宙研）、中藤亜衣子（宇宙研）、熊谷和也（宇宙研）、西村征洋（宇宙研）、岡田達明（宇宙研）
10:15 - 10:30 | CM carbonaceous chondrite lithologies and their space exposure ages | *Michael Zolensky (NASA JSC), Timothy Gregory (Unive. Bristol), Atsushi Takenouchi (Univ. Tokyo), Kunihiko Nishiizumi (Univ. California), Alan Trieman (LPI), Eve Berger (NASA JSC), Loan Le (NASA JSC), Amy Fagan (LPI), Michael Velbel (Michigan State Univ.), Naoya Imae (NIPR), Akira Yamaguchi (NIPR), Marc Caffee (Purdue Univ.) |
10:30 - 10:45 | Summary of visible to infrared spectral survey of NIPR carbonaceous chondrite chips and its application to Hayabusa2 mission | *Takahiro Hiroi (Brown Univ.), Hiroshi Kaiden (NIPR), Naoya Imae (NIPR), Akira Yamaguchi (NIPR), Hideyasu Kojima (NIPR), Sho Sasaki (Osaka U), Moe Matsuoka (Tohoku Univ.), Tomoki Nakamura (Tohoku Univ.) |
極地研の炭素質コンドライト片の可視・赤外分光サーベイのまとめと、はやぶさ２ミッションへの応用 | *廣井孝弘（ブラウン大）、海田博司（極地研）、今栄直也（極地研）、山口 亮（極地研）、小島秀康（極地研）、佐々木晶（大阪大）、松岡 萌（東北大）、中村智樹（東北大）
10:45 - 11:00 | Raman spectroscopic thermometer for carbonaceous material in chondrites | *Yoshitaka Homma (Univ. Tokyo), Yui Kouketsu (Nagoya Uni.), Hiroyuki Kagi (Univ. Tokyo), Takashi Mikouchi (Univ. Tokyo), Hikaru Yabuta (Osaka Univ.) |
11:00 - 11:15 | Raman spectroscopy and petrology of Antarctic CR chondrites: Comparison with other carbonaceous chondrites | *M. Komatsu (SOKENDAI), T. J. Fagan (Waseda Univ.), A. Yamaguchi (NIPR), T. Mikouchi (Univ. Tokyo), M. E. Zolensky (NASA), M. Yasutake (NIPR) |
11:15 - 11:30 | Amino acid compositions in heated carbonaceous chondrites and their compound-specific nitrogen isotopic ratios | *Q. H. S. Chan (NASA JSC), Y. Chikaraishi (JAMSTEC), Y. Takano (JAMSTEC), N. O. Ogawa (JAMSTEC), N. Ohkouchi (JAMSTEC) |
11:30 - 11:45 | Antarctic meteorites: MIL 07687 and ALHA 77307 - A novel approach of in-situ micro-XRD study of the matrix | *E. Vaccaro (NHM-OU), A. J. King (NHM), J. Najorka (NHM), N. A. Starkey (OU), I. A. Franchi (OU), S. S. Russell (NHM-OU) |
11:45 - 12:00 | Toward the classification of chondrites using the powder X-ray diffraction method, a preliminary report | *Naoya Imae (NIPR) |
12:00 - 13:00 | Lunch
Chairs: Kevin Righter (NASA), Yoshihiro Hidaka (ULB) 座長：Kevin Righter（NASA）、日高義浩（ULB）
13:00 - 13:15 | Formation of compound chondrules from supercooled melts | *Sota Arakawa (Tokyo Tech), Taishi Nakamoto (Tokyo Tech) |
13:15 - 13:30 | The systematic investigations of high-pressure polymorphs in shocked L type ordinary chondrites | *Masaaki Miyahara (Hiroshima Univ.), Akira Yamaguchi (NIPR), Eiji Ohtani (Tohoku Univ.), Masato Saitoh (Hiroshima Univ.) |
13:30 - 13:45 | Evaluation of Lindsley pyroxene thermometer for chondrites | *Yoshihiro Nakamuta (Kyushu Univ.), Youko Shibata (Japan Post Co.), Kana Urata (Kyushu Univ.) |
13:45 - 14:00 | Study of fusion crust in ureilite and H-chondrites | *Lidia Pittarello (AMGC,VUB), Vinciane Debaille (ULB), Philippe Claeys (AMGC,VUB) |
14:00 - 14:15 | Petrofabric analysis of acapulcoites and lodranites | *Masahiro Yasutake (SOKENDAI), Akira Yamaguchi (NIPR) |
14:15 - 14:30 | Mineralogical comparison of Northwest Africa 6112 and Divnoe ungrouped achondrites | *Hikari Hasegawa (Univ. Tokyo), Takashi Mikouchi (Univ. Tokyo), Akira Yamaguchi (NIPR), Richard Greenwood (Open Univ.) |
14:30 - 15:00 | Coffee break
15:00 - 15:15 | Relationship between winonaites and IAB irons, and among IAB irons inferred from metal composition and partial melting model calculation | *Yoshihiro Hidaka (ULB), Makiko K. Haba (NIPR), Akira Yamaguchi (NIPR), Vinciane Debaille (ULB) |
15:15 - 15:30 | Micro computed tomography and micro X-ray fluorescence as tools for the curation and scientific study of Apollo samples | *Ryan Zeigler (JSC), Natasha Almeida (NHM), Dan Sykes (NHM), Caroline Smith (NHM) |
Chair: Naoya Imae (NIPR) 座長：今栄直也（極地研）
15:30 - 16:30 | [Invited] An Antarctic chondrite story: from the field to the lab | *Vinciane Debaille (ULB), Lidia Pittarello (VUB), Rosalind Armytage (ULB), Sophie Decree (RBINS), Philippe Claeys (VUB) |

Link to the OA session program of Tuesday.

## Poster presentations (Core time: 16:30 - 18:00)

### Place: Entrance Hall (1st floor) at National Institute of Polar Research (NIPR)
ポスター発表会場：国立極地研究所１階交流アトリウム

OAp1 | Low temperature thermoluminescence of ordinary chondrites | K. Ninagawa, Y. Arima (Okayama Univ.), A. Yamaguchi, N. Imae, H. Kojima (NIPR) |
OAp2 | News on the Machtenstein H5 ordinary chondrite | V.H. Hoffmann (Univ. München) |
OAp3 | The Eichstädt meteorite, a historical fall in Bavaria from 1785 -revisited | V.H. Hoffmann (Univ. München) |
OAp4 | Investigation of organic matter in the Allende meteorite using scanning transmission X-ray microscope at photon factory | Hiroki Suga (Hiroshima Univ.), Yasuo Takeichi (KEK), Chihiro Miyamoto (Univ. Tokyo), Kazuhiko Mase (KEK), Kanta Ono (KEK), Yoshio Takahashi (Hiroshima Univ.), and Masaaki Miyahara (Hiroshma Univ.) |
OAp5 | Bulk chemical compositions of meteorites in the NIPR collection | M. Kimura (Ibaraki U., NIPR), N. Imae (NIPR), A. Yamaguchi (NIPR), H. Haramura (NIPR), H. Kojima (NIPR) |
OAp6 | Static and impact strength of chondrules: Comparison with rock samples | Sae Shigaki (Kobe Univ.), Akiko Nakamura (Kobe Univ.) |

Link to the OA session program of Tuesday.