The 11th Symposium on Polar Science (1 – 3 December 2020)

Oral sessionPoster session

[OA] Antarctic meteorites


This session is hold to present rexent research outcomes for Antarctic meteorites and micrometeorites.

Conveners : Naoya Imae (NIPR)

Real-time Oral presentations (09:25 – 11:45, 13:30 – 14:50)

Date: Thu. 3 December

Chair: Naoki Shirai (Tokyo Metropolitan University), Akira Yamaguchi (NIPR)
9:25 - 9:30 Opening Akira Yamaguchi (NIPR), Naoya Imae (NIPR)  
OAo1 9:30 - 9:45 Benford’s Law as Applied to Ordinary-Chondrite Mass Distributions Among Observed Falls, NWA Finds and Antarctic Finds *Alan E. Rubin (UCLA)
OAo2 9:45 - 10:00 Direct Analysis of Early Solar System Aqueous Fluids by TOF-SIMS *Michael Zolensky (ARES, NASA JSC), Robert Bodnar (Virginia Tech), Andrei Dolocan (University of Texas), Hector Lamadrid (University of Missouri), Yoko Kebukawa (Yokohama National University), E. Sendula (Virginia Tech), Queenie H.-S. Chan (University of London), Zia Rahman (Jacobs JETS)
OAo3 10:00 - 10:15 Oxygen isotope variation in CV and CR dark inclusions and chondrules: Evidence for a possible genetic relationship between CV3 dark inclusions and CM chondrites *Richard C. Greenwood (The Open University), Michael E. Zolensky (ARES, Johnson Space Center), Paul C. Buchanan (Kilgore College), Ian A. Franchi (The Open University)
OAo4 10:15 - 10:30 Abundant extraterrestrial amino acids in the primitive CM carbonaceous chondrite Asuka 12236 *Daniel P. Glavin (NASA Goddard Space Flight Center), Hannah L. McLain (Catholic University of America), Jason P. Dworkin (NASA Goddard Space Flight Center), Eric T. Parker (NASA Goddard Space Flight Center), Jamie E. Elsila (NASA Goddard Space Flight Center), José C. Aponte (Catholic University of America), Danielle N. Simkus (USRA), Chad I. Pozarycki (Southeastern Universities Research Association), Heather V. Graham (Catholic University of America), Larry R. Nittler (Earth and Planets Laboratory, Carnegie Institution of Washington), Conel M.O'D Alexander (Earth and Planets Laboratory, Carnegie Institution of Washington)
OAo5 10:30 - 10:45 The high abundances of presolar grains found in the most primitive CM meteorite, Asuka 12169 *Yuchen Xu (National Space Science Center, Chinese Academy of Sciences), Yangting Lin (Institute of Geology and Geophysics, Chinese Academy of Sciences), Jialong Hao (Institute of Geology and Geophysics, Chinese Academy of Sciences), Makoto Kimura (NIPR)
OAo6 10:45 - 11:00 Pristine nature and formation environments of chondrules from Asuka 12236 CM2.9 chondrite: Evidence from mineral chemistry and oxygen isotope systematics *Kohei Fukuda (University of Wisconsin-Madison), Makoto Kimura (NIPR), Noriko T. Kita (University of Wisconsin-Madison)
Chair: Atsushi Takenouchi (NIPR), Naoya Imae (NIPR)
OAo7 11:00 - 11:15 Extremely heterogeneous oxygen isotopes in an Al-rich chondrule from Yamato 81020 (CO3.05) *Noriko T. Kita (University of Wisconsin-Madison), Mingming Zhang (University of Wisconsin-Madison), Kohei Fukuda (University of Wisconsin-Madison), Makoto Kimura (NIPR)
OAo8 11:15 - 11:30 Oxygen isotope systematics of chondrules and olivine fragments from Tagish Lake C2 chondrite *Takayuki Ushikubo (Kochi Institute, JAMSTEC), Makoto Kimura (NIPR)
OAo9 11:30 - 11:45 The BELARE 2019-2020 meteorite recovery expedition on the Nansen Ice Field, East Antarctica *Naoki Shirai (Tokyo Metropolitan University), Steven Goderis (Vrije Universiteit Brussel), Mehmet Yesiltas (Kirklareli University), Hamed Pourkhorsandi (Université Libre de Bruxelles), Manu Poudelet (International Polar Foundation), Martin Leitl (International Polar Foundation), Akira Yamaguchi (NIPR), Vinciane Debaille (Université Libre de Bruxelles), Philippe Claeys (Vrije Universiteit Brussel)
Chair: Atsushi Takenouchi (NIPR), Naoya Imae (NIPR)
OAo10 13:30 - 13:45 Olivine xenocrysts and cooling rates of quenched angrites: Implications for the stratigraphy of their igneous body *Hideyuki Hayashi (The University of Tokyo), Takashi Mikouchi ( The University of Tokyo), Akira Yamaguchi (NIPR)
OAo11 13:45 - 14:00 40Ar/39Ar geochronology of unbrecciated vesicular eucrites PCA 82502 and PCA 9100740Ar/39Ar geochronology of unbrecciated vesicular eucrites PCA 82502 and PCA 91007 *Fred Jourdan (Curtin University), Lucy Foreman (Curtin University), Trudi Kennedy (Curtin University), Gretchen Benedix (Curtin University), Ela Eroglu (Curtin University), Celia Mayers (Curtin University)
OAo12 14:00 - 14:15 Graphite-based geothermoetry of Yamato 74123 ureilitic meteorite *Anna Barbaro (University of Pavia), Febrizio Nestola (University of Padova & Goethe-University Frankfurt), Lidia Pittarello (National History Museum), Ludovic Ferriére (National History Museum), Mara Murri (University of Milano-Bicocca), Oliver Christ (University of Padova), Matteo Alvaro (University of Pavia), Chiara Domeneghetti (University of Pavia)
OAo13 14:15 - 14:30 The discovery of Mn-precipitates in nakhlites Yamato 000802 Ayaka Nakamura (Hiroshima University), *Masaaki Miyahara (Hiroshima University), Hiroki Suga (The University of Tokyo & JASRI), Akira Yamaguchi (NIPR), Daisuke Wakabayashi (KEK), Shohei Yamashita (KEK), Yasuo Takeichi (KEK), Yoshio Takahashi (The University of Tokyo), Eiji Ohtani (Tohoku University)
14:30-14:50 Poster session (1-minute appeal)

Poster presentations (16 November - 18 December)

OAp1 Shock metamorphism and Ar-Ar ages of ordinary chondrites *Atsushi Takenouchi (NIPR), Hirochika Sumino (The University of Tokyo), Akira Yamaguchi (NIPR)
OAp2 Identification of primitive unequilibrated ordinary chondrites from four Antarctic dense collections areas (EET, GRO, LEW, and MET) *Kevin Righter (ARES, NASA-JSC), John Schutt (Case Western Reserve University), Nicole Lunning (ARES, NASA-JSC), Ralph P. Harvey (Case Western Reserve University), Jim Karner (University of Utah)
OAp3 Ordinary chondrites: nitrogen systematics *Ramakant R. Mahajan (Physical Research Laboratory)
OAp4 The oxygen isotopic and chemical composition of the primitive Asuka CM chondrites *Makoto Kimura (NIPR), Richard C. Greenwood (The Open University), Jean-Alix Barrat (Université de Bretagne Occidentale), Naoya Imae (NIPR), Mutsumi Komatsu (SOKENDAI), Akira Yamaguchi (NIPR), Takaaki Noguchi (Kyushu University)
OAp5 On the bulk mineralogical composition of carbonaceous chondrites in high-Mg/Si planetary systems *Peter Futó (University of Debrecen)
OAp6 Variations of CM chondrites evaluated from X-ray diffraction *Naoya Imae (NIPR), Makoto Kimura (NIPR)
OAp7 A potential impact melt clast in the Renazzo-like (CR) chondrite Pecora Escarpment (PCA) 91082? *Jemma Davidson (Arizona State University), Devin L. Schrader (Arizona State University)
OAp8 Evaluation of Raman Parameters of Organic Matter: The Comparative Study for Thermal Records in Carbonaceous Chondrites. *Mutsumi Komatsu (SOKENDAI & Waseda University), Timothy J. Fagan (Waseda University), Akira Yamaguchi (NIPR)
OAp9 The Fe/S ratio of pyrrhotite group sulfides in chondrites: An indicator of oxidation *Devin L. Schrader (Arizona State University), Jemma Davidson (Arizona State University), Timothy J. McCoy (National Museum of Natural History, Smithsonian Institutio), Thomas J. Zega (University of Arizona), Sara S. Russell (Natural History Museum), Kenneth J. Domanik (University of Arizon), Ashley J. King (Natural History Museum)
OAp10 Collection of Antarctic micrometeorites using the freeze-drying method of snow *Takahito Tominaga (Kyushu University), Takaaki Noguchi (Kyushu University), Yoshimori Toui (Kyushu University), Akira Yamaguchi (NIPR)
OAp11 Bulk analysis of a small fragment of the Hayabusa2 returned sample: A plan proposed by Phase2 Kochi *Motoo Ito (JAMSTEC Kochi), Akira Yamaguchi (NIPR), Naoya Imae (NIPR), Makoto Kimura (NIPR), Naoki Shirai (Tokyo Met. Univ.), Naotaka Tomioka (JAMSTEC Kochi), Masayuki Uesugi (JASRI/SPring-8), Kentaro Uesugi (JASRI/SPring-8), Takuji Ohigashi (UVSOR/IMS), Yuzuru Karouji (JAXA), Yu Kodama (MWJ), Hayato Yuzawa (UVSOR/IMS), Kaori Hirahara (Osaka Univ.), Ikuya Sakurai (Nagoya Univ.), Ikuo Okada (Nagoya Univ.), Toru Yada (JAXA), Masanao Abe (JAXA)
OAp12 Volatile loss from mesosiderites *Naoji Sugiura (Chiba University of Technology), T. Arai (Chiba Institute of Technology)
OAp13 Shock and thermal history of ureilites and implications of Zn depletion *Akira Yamaguchi (NIPR), Jean-Alix Barrat (UBO, IUEM), Naoki Shirai (Tokyo Metropolitan University)