The 15th Symposium on Polar Science (3 – 5 December 2024)
[OG] Polar Geosciences
Scope
This session covers research topics from the fields of geology, mineralogy, geomorphology, quaternary research, geodesy, and geophysics.
Conveners : Yusuke Suganuma and Kenji Horie (NIPR)
Oral presentations (10:00 – 11:20, 13:30 – 16:00)
Room: Seminar room (C301)
Date: Tue. 2 December
| Chair: Masakazu Fujii (NIPR) | |||
|---|---|---|---|
| OGo1 | 10:00 - 10:20 | Development Status of the Separation Mechanism for Stable Penetration of Penetrators | *Kodai Yamamoto (Kochi Univ. of Tech.), Masa-yuki Yamamoto (Kochi Univ. of Tech.), Yasuhiro Nishikawa (Osaka Kyoiku Univ.), Kazuto Saiki (Ritsumeikan Univ.), Ryota Taniguchi (Ritsumeikan Univ.), Takamasa Hiratsuka (Kochi Univ. of Tech.), Naoyuki Kurita (Nagoya Univ.), Satoshi Tanaka (ISAS/JAXA) |
| OGo2 | 10:20 - 10:40 | Experimental Validation of an Antarctic Observation Penetrator at the Shirase Glacier | *Kazuto Saiki (Ritsumeikan Univ.), Gaku Hamajima (Kochi Univ. of Tech.), Ryota Taniguchi (Ritsumeikan Univ.), Satoshi Tanaka (JAXA), Yasuhiro Nishikawa (Kochi Univ. of Tech., Osaka Kyoiku Univ.), Kodai Yamamoto (Kochi Univ. of Tech.), Takamasa Hiratsuka (Kochi Univ. of Tech. ) |
| OGo3 | 10:40 - 11:00 | Interactions of crustal and mantle materials in supracratonic metamorphic hard rock formations in the environment at the base of natural, great earthquake seismogenic zones | *Hiroshi Ogasawara (Ritsumeikan Univ.), Yasuo Yabe (Tohoku Univ.), The DSeis/PROTEA Team (ICDP) |
| OGo4 | 11:00 - 11:20 | Visualization of Seismogenic Zone at the South African Archean Craton using Seismic Attributes | *Kaoru Fujita (SOKENDAI), Hiroshi Ogasawara (Ritsumeikan Univ.), Masaki Kanao (NIPR), Jun'ichi Okuno (NIPR), Takeshi Tsuji (The Univ. of Tokyo) |
| Lunch | |||
| Chair: Kenji Horie (NIPR) | |||
| OGo5 | 13:30 - 13:50 | Zircon chronology of Mesoarchaean Ulamertoq ultramafic body, southern West Greenland | *Keita Itano (Akita Univ.), Mami Takehara (NIPR), Kenji Horie (NIPR), Ikuya Nishio (Hiroshima Univ.), Tomoaki Morishita (Kanazawa Univ.) |
| OGo6 | 13:50 - 14:10 | Tonian metamorphism in the eastern part of the Prince Olav Coast, East Antarctica | *Sotaro Baba (Univ. of the Ryukyus), Kenji Horie (NIPR), Mami Takehara (NIPR), Nobuhiko Nakano (Kyushu Univ.), Shin-ich Kagashima (Yamagata Univ.), Tomokazu Hokada (NIPR), Atsushi Kamei (Shimane Univ.) |
| OGo7 | 14:10 - 14:30 | Contrastive P–T paths and tectonic impliation of intermediate to mafic gneisses from Akebono Rock in the Lützow-Holm Complex, East Antarctica | *Ippei Kitano (Hokkaido Univ.), Tomokazu Hokada (NIPR), Sotaro Baba (Univ. of the Ryukyus), Atsushi Kamei (Shimane Univ.), Yoichi Motoyoshi (NIPR) |
| 14:30 - 15:00 | Break | ||
| Chair: Mami Takehara (NIPR) | |||
| OGo8 | 15:00 - 15:20 | The relation between garnet composition and P-T-X-fO2 conditions: Example from calc-silicate granulite from Rundvågshetta, Lützow-Holm Complex, East Antarctica | *Koyomi Abe (Niigata Univ.), Madhusoodhan Satish-Kumar (Niigata Univ.), Tomokazu Hokada (NIPR), Krishnan Sajeev (Indian Inst. of Science), James A. D. Connolly (ETH Zurich) |
| OGo9 | 15:20 - 15:40 | High-Zr rutiles as evidence for ultrahigh-temperature metamorphism in a garnet–biotite gneiss from Brattnipene, Sør Rondane Mountains, East Antarctica | *Hiroto Gondo (Kyoto Univ.), Tetsuo Kawakami (Kyoto Univ.), Fumiko Higashino (Kyoto Univ.), Tatsuro Adachi (Kyusyu Univ.), Masaoki Uno (The Univ. of Tokyo) |
| OGo10 | 15:40 - 16:00 | Estimating the radiogenic heat production of metamorphic rocks in Lützow Holm Complex, East Antarctica by Gamma-ray Spectrometry | *Devika S Panicker (Niigata Univ.), Jun Goto (Niigata Univ.), Tomokazu Hokada (NIPR), Toshiro Takahashi (Niigata Univ.), Madhusoodhan Satish-Kumar (Niigata Univ.) |
Poster presentations (Core time: 16:30 – 17:30)
Room: Atrium (1st floor)
Date: Tue. 2 December
| OGp1 | Microblock amalgamation and multiphase deformation in the eastern Lützow–Holm Complex, East Antarctica | *Lakshmanan Sreehari (Shimane Univ.), Tatsuro Adachi (Kyushu Univ.), Yuki Mori (Univ. of Hyogo), Tomokazu Hokada (NIPR) |
|---|---|---|
| OGp2 | Long-lived high-grade metamorphism in the Lützow-Holm Complex, East Antarctica: New insights from the combination of monazite Th-U-total Pb and zircon U-Pb geochronology | *Haruto Sasaki (Univ. of Tsukuba), Toshiaki Tsunogae (Univ. of Tsukuba) |
| OGp3 | Earthquake cycle in lower crust recorded in pseudotachylyte: insights from Mt. Sones and Mt. Riiser-Larsen, Napier Complex, East Antarctica | *Ryo Murayama (Shimane Univ.), Lakshmanan Sreehari (Shimane Univ.), Tsuyoshi Toyoshima (Niigata Univ.) |
| OGp4 | Timing of metamorphism at the Instekleppane, Lützow-Holm Complex, East Antarctica | *Tatsuro Adachi (Kyushu Univ.), Lakshmanan Sreehari (Shimane Univ.), Yuki Mori (Univ. of Hyogo), Tomokazu Hokada (NIPR & SOKENDAI) |
| OGp5 | Evolution of the Archean crust in the Indian Ocean coastal sector of Antarctica | *Tomokazu Hokada (NIPR & SOKENDAI), Simon L. Harley (Univ. of Edinburgh) |
| OGp6 | U-Pb geochronology with Th/U ratio in metamorphic zircon: example of felsic gneiss from Mt. McMaster, Napier Complex, East Antarctica | *Mami Takehara (NIPR), Kenji Horie (NIPR & SOKENDAI), Tomokazu Hokada (NIPR & SOKENDAI), Allen P. Nutman (Univ. of Wollongong) |
| OGp7 | Challenges in developing methods for integrating and complementing geochemical data from multiple microanalytical techniques | Keita Itano (Akita Univ.), *Mami Takehara (NIPR), Akifumi Okuno (ISM), Masataka Aizawa (Hokkaido Univ. of Education, Sapporo Campus) |
| OGp8 | Zircon Th/U ratio revisited | *Kenji Horie (NIPR & SOKENDAI), Mami Takehara (NIPR), Keita Itano (Akita Univ.) |
| OGp9 | Phase equilibrium modeling of multilayer corona textures around olivine in metagabbros from the Mozambique Belt in central Malawi | *Mirei Kume (Univ. of Tsukuba), Toshiaki Tsunogae (Univ. of Tsukuba), Mzee Nkhwachi Nyirongo (Univ. of Tsukuba) |
| OGp10 | Neoarchean Th–U–total Pb monazite ages from the northern margin of the Kaapvaal Craton: New insights for understanding the evolution of the Limpopo Complex in southern Africa | *Toshiaki Tsunogae (Univ. of Tsukuba), Tatsuya Koizumi (Univ. of Tsukuba) |
| OGp11 | Paleoproterozoic (ca. 2.0 Ga) monazite Th–U–total Pb ages from the Buhwa Greenstone Belt in the southern margin of the Archean Zimbabwe Craton: implications for Paleoproterozoic thermal overprinting | *Yoko Kutsuzawa (Univ. of Tsukuba), Toshiaki Tsunogae (Univ. of Tsukuba) |
| OGp12 | Monazite Th-U-total Pb geochronology of metasediments from the Abukuma Mountains, NE Japan: Preliminary report | *Arisa Suwa (Univ. of Tsukuba), Toshiaki Tsunogae (Univ. of Tsukuba) |
| OGp13 | Paleomagnetic information from Proterozoic dikes in the Mt. Riiser-Larsen area of the Napier Complex, East Antarctica | *Naoto Ishikawa (Univ. of Toyama), Yoshimitsu Suda (Nagasaki Univ.), Shin-ishi Kagashima (Yamagata Univ.) |
| OGp14 | Holocene Ice-Sheet Retreat history in Lützow-Holm Bay, East Antarctica | *Yusuke Suganuma (NIPR), Kazuya Kusahara (JAMSTEC), Moto Kawamata (Civil Engineering Research Inst. for Cold Region), Takeshige Ishiwa (NIPR), Kota Katsuki (Shimane Univ.), Hiroto Kajita (Hirosaki Univ.), Shun Tsutaki (NIPR), Takashi Obase (JAMSTEC), Motohiro Hirabayashi (NIPR), Masakazu Fujii (NIPR), Jun'ichi Okuno (NIPR) |
| OGp15 | Past and Present Environmental Conditions in the Larsemann Hills, East Antarctica: Evidence from Sediment Cores and Water Column Profiles | *Kotoha Kosugi (SOKENDAI), Takeshige Ishiwa (NIPR & SOKENDAI), Mahesh Badnal (NCPOR), Elie Verleyen (Ghent Univ.), Toru Tamura (AIST), Cheryl Noronha-D' Mello (NCPOR), Philippe Huybrechts (Vrije Univ. Brussel), Anish Kumar Warrier (Manipal Academy of Higher Education), Kota Katsuki (Shimane Univ.), Minoru Ikehara (Kochi Univ.), Rahul Mohan (NCPOR), Yusuke Suganuma (NIPR & SOKENDAI) |
| OGp16 | Foraminiferal faunal changes in the Shirase Submarine Valley, Lützow-Holm Bay, East Antarctica | *Hiroki Matsui (Akita Univ.), Neneka Takagi (Akita Univ.), Shiro Hasegawa (Tohoku Univ.), Takuya Itaki (AIST), Yusuke Suganuma (NIPR) |
| OGp17 | Few-shot Learning for High Resolution Velocity Model Estimation of Arctic Subsea Permafrost | *Seoje Jeong (National Korea Maritime & Ocean Univ.), Seung-Goo Kang (Korea Polar Research Inst.), Wookeen Chung (National Korea Maritime & Ocean Univ.) |
| OGp18 | Highlights of the Student Himalayan Field Exercise Tour 13 years | *Masaru Yoshida (Gondwana Inst. for Geology and Environment), Student Himalayan Field Exercise Project |