The 11th Symposium on Polar Science (1 – 3 December 2020)
[OG] Polar Geosciences
Scopes
This session covers research topics from the fields of geology, mineralogy, geomorphology, quaternary research, geodesy, and geophysics.
Conveners : Masakazu Fujii (NIPR)
Real-time Oral presentations (13:00 – 14:15, 14:30 - 17:00)
Date: Wed. 2 December
| Chair: Mami Takehara (NIPR) | ||||
|---|---|---|---|---|
| OGo1 | 13:00 - 13:15 | Traces of fluid movement in the active lower crust of collision setting observed in the Sør Rondane Mountains, East Antarctica: A field survey report of JARE61 | *Tetsuo Kawakami (Kyoto University), Tatsuro Adachi (Kyushu University), Masaoki Uno (Tohoku University), Fumiko Higashino (Okayama University of Science), Noriyoshi Tsuchiya (Tohoku University) |  |
| OGo2 | 13:15 - 13:30 | Petrological characteristics of granulite/amphibolite-facies "bleached" hydration zones caused by fluid infiltration along fractures at middle crustal conditions in the Sør Rondane Mountains, East Antarctica | *Masaoki Uno (Tohoku University), Tetsuo Kawakami (Kyoto University), Tatsuro Adachi (Kyushu University), Fumiko Higashino (Okayama University of Science), Noriyoshi Tsuchiya (Tohoku University) | |
| OGo3 | 13:30 - 13:45 | Multiple timings of garnet-forming high-grade metamorphism in the Sør Rondane Mountains, East Antarctica | *Fumiko Higashino (Kyoto University, Okayama University of Science), Tetsuo Kawakami (Kyoto University) , Shuhei Sakata (Kyoto University, The University of Tokyo), Takafumi Hirata (Kyoto University, The University of Tokyo) | |
| OGo4 | 13:45 - 14:00 | Contrasting P-T records of the metamorphic rocks at the Oyayubi ridge of Brattnipene, Sør Rondane Mountains, East Antarctica. | *Tatsuro Adachi (Kyushu University), Tetsuo Kawakami (Kyoto University) , Masaoki Uno (Tohoku University), Fumiko Higashino (Okayama University of Science), Noriyoshi Tsuchiya (Tohoku University) | |
| OGo5 | 14:00 - 14:15 | Fluid fluxes through the reaction zones and fractures in metamorphic rocks revealed by reactive-transport model coupled with phase equilibrium: Evidence from fluid-rock reaction zones, Sør Rondane Mountains, East Antarctica | *Mindaleva Diana (Tohoku University), Masaoki Uno (Tohoku University), Atsushi Okamoto (Tohoku University), Noriyoshi Tsuchiya (Tohoku University) | |
| 14:15 - 14:30 | Break | |||
| Chair: Yoshiya Irie (NIPR) | ||||
| OGo6 | 14:30 - 14:45 | Linking Tarim with North India in northern Gondwana due to final closure of the Proto-Tethys Ocean: Insights from provenance of early Paleozoic sedimentary rocks in the Altyn Tagh orogen | *Qian Liu (International Research Fellow of JSPS, The University of Tsukuba), Toshiaki Tsunogae (The University of Tsukuba, University of Johannesburg) | |
| OGo7 | 14:45- 15:00 | Field-based monitoring, assessment and forecast of the permafrost coast retreat along the Kara Sea | *Arata Kioka (Kyushu University, Universität Innsbruck), Vladislav S. Isaev (Lomonosov Moscow State University), Masakazu Fujii (NIPR, SOKENDAI), Takeshi Tsuji (Kyushu University, Kyoto University), Pavel I. Kotov (Lomonosov Moscow State University), Stanislav A. Ogorodov (Lomonosov Moscow State University, Russian Academy of Sciences), Osip Kokin (Lomonosov Moscow State University, N.N. Zudov State Oceanographic Institute), Michail Tsarapov (Lomonosov Moscow State University), Tatiana Mironova (Lomonosov Moscow State University) | |
| OGo8 | 15:00 - 15:15 | Sea-level reconstruction using GIA modeling and geological evidence at Lützow-Holm Bay during the past 50,000 years | *Takeshige Ishiwa (NIPR), Yusuke Suganuma (NIPR, SOKENDAI), Jun’ichi Okuno (NIPR, SOKENDAI), Yuki Tokuda (Tottori University of Environmental Studies), Takuya Itaki (GSJ, AIST), Satoshi Sasaki (Shimane University), Shintaro Yamasaki (Kyoto University) | |
| OGo9 | 15:15 - 15:30 | GRACE/GRACE-FO Observed Mass Change Patterns of Antarctica Extracted by ICA Method | *Tianyan Shi (SOKENDAI), Yoichi Fukuda (NIPR), Koichiro Doi (NIPR, SOKENDAI), Jun’ichi Okuno (NIPR, SOKENDAI) | |
| OGo10 | 15:30 - 15:45 | Effect of local snow mass distribution on geodetic observation at Syowa Station with UAV survey | *Akihisa Hattori (SOKENDAI), Yuichi Aoyama (NIPR, SOKENDAI), Koichiro Doi (NIPR, SOKENDAI), Jun’ichi Okuno (NIPR, SOKENDAI) | |
| 15:45 - 16:00 | Break | |||
| Chair: Masakazu Fujii (NIPR) | ||||
| 16:00 - 16:45 | 3-min Poster Presentation (14 short talks of OGp1 – OGp14) | |||
| 16:45 - 17:00 | General discussion | |||
Poster presentations (16 November - 18 December)
| OGp1 | Deglaciation history of the East Antarctic Ice sheet revealed by exposure ages and marine sedimentary records in Lützow-Holm Bay, Dronning Maud Land | *Yusuke Suganuma (NIPR, SOKENDAI), Moto Kawamata (SOKENDAI), Yuki Haneda (GSJ, AIST), Takeshige Ishiwa (NIPR), Kota Katsuki (Shimane University), Takuya Itaki (GSJ, AIST), Osamu Seki (Hokkaido University), Masakazu Fujii (NIPR, SOKENDAI), Jun’ichi Okuno (NIPR, SOKENDAI) | |
|---|---|---|---|
| OGp2 | Preliminary results of Japanese surveys on multibeam bathymetry off East Antarctica | *Masakazu Fujii (NIPR, SOKENDAI), Yoshifumi Nogi (NIPR, SOKENDAI) | |
| OGp3 | Fluctuations in the Rotational Motion of the Antarctic Plate as Derived from Shipboard Three Component Magnetometers | *Takeshi Matsumoto (University of the Ryukyus), Takanori Ishihara (Chuo Kaihatsu Corporation), Yoshifumi Nogi (NIPR, SOKENDAI) | |
| OGp4 | Crustal motion in Antarctica simulated by GIA modeling: implications for Holocene ice melting history and viscosity structure of the Earth’s mantle | *Jun’ichi Okuno (NIPR, SOKENDAI), Akihisa Hattori (SOKENDAI), Yoshiya Irie (NIPR), Koichiro Doi (NIPR, SOKENDAI) | |
| OGp5 | Collapse of the peripheral bulge around Antarctica inferred from GIA modeling | *Yoshiya Irie (NIPR), Jun’ichi Okuno (NIPR, SOKENDAI), Koichiro Doi (NIPR, SOKENDAI) | |
| OGp6 | Effects of the extreme wet event on nitrogen availability and NDVI in larch forest of Eastern Siberia | *Aleksandr Nogovitcyn (Hokkaido University), Ruslan Shakhmatov (Hokkaido University), Tomoki Morozumi (Hokkaido University), Shunsuke Tei (Forestry and Forest Products Research Institute), Yumiko Miyamoto (Hokkaido University), Shin Nagai (JAMSTEC), Trofim Maximov (Siberian Branch of the Russian Academy of Sciences), Atsuko Sugimoto (Hokkaido University) | |
| OGp7 | Cordierite megacrysts in felsic gneiss from Botunnuten in southern Lützow-Holm Complex, East Antarctica | *Sotaro Baba (University of the Ryukyu), Seira Ohshiro (University of the Ryukyu), Tomokazu Hokada (NIPR, SOKENDAI), Atsushi Kamei (Shimane University) , Ippei Kitano (Kyushu University), Yoichi Motoyoshi (NIPR, SOKENDAI) | |
| OGp8 | Non-silicate minerals in garnet-bearing mafic granulites from Skallevikshalsen in the Lützow-Holm Complex of East Antarctica | *Kazuki Takahashi (University of Tsukuba), Toshiaki Tsunogae (University of Tsukuba, University of Johannesburg) | |
| OGp9 | Geologic nature and evolution of Western Rayner Complex, with reference to Point Widdows charnockite and its localized hydration process | *Tomokazu Hokada (NIPR, SOKENDAI), Sotaro Baba (University of the Ryukyu), Atsushi Kamei (Shimane University), Ippei Kitano (Kyushu University), Yoichi Motoyoshi (NIPR, SOKENDAI) | |
| OGp10 | Implications for the East Antarctica - Sri Lanka - southern India geologic connections from the newly proposed geological subdivision of the Lützow-Holm Complex in East Antarctica | Daniel J. Dunkley (NIPR, Polish Academy of Sciences), *Tomokazu Hokada (NIPR, SOKENDAI), Kazuyuki Shiraishi (NIPR, SOKENDAI), Yoshikuni Hiroi (NIPR, Chiba University), Yoshifumi Nogi (NIPR, SOKENDAI), Yoichi Motoyoshi (NIPR, SOKENDAI) | |
| OGp11 | The petrography of staurolite-bearing garnet-gedrite-biotite-chlorite gneiss from the northeastern part of Akebono Rock in the Lützow-Holm Complex, East Antarctica | *Ippei Kitano (Kyushu University), Tomokazu Hokada (NIPR, SOKENDAI), Sotaro Baba (University of the Ryukyu), Atsushi Kamei (Shimane University), Yoichi Motoyoshi (NIPR, SOKENDAI) | |
| OGp12 | The first report of the occurrence and petrography of garnet-orthopyroxene granulite from Oku-iwa Rock in the Lützow-Holm Complex, East Antarctica | *Ippei Kitano (Kyushu University), Tsuyoshi Toyoshima (Niigata University), Masahiro Ishikawa (Yokohama National University), Takuma Katori (Niigata University, Fossa Magna Museum), Tomokazu Hokada (NIPR, SOKENDAI) | |
| OGp13 | Geochemical study on charnockites in Rundvagshetta, Lützow-Holm Complex | *Atsushi Kamei (Shimane University), Hikari Awata (Shimane University), Tomokazu Hokada (NIPR, SOKENDAI), Sotaro Baba (University of the Ryukyu), Ippei Kitano (Kyushu University), Yoichi Motoyoshi (NIPR, SOKENDAI) | |
| OGp14 | Fossil earthquake recorded by pseudotachylytes and two textural types of cataclasites from northern Langhovde in the Lützow-Holm Complex, East Antarctica | *Tsuyoshi Toyoshima (Niigata University), Ippei Kitano (Kyushu University), Masahiro Ishikawa (Yokohama National University), Takuma Katori (Niigata University), Tomokazu Hokada (NIPR, SOKENDAI) | |