The 12th Symposium on Polar Science (15 – 18 November 2021)
[OG] Polar Geosciences
Scopes
This session covers research topics from the fields of geology, mineralogy, geomorphology, quaternary research, geodesy, and solid Earth geophysics.
Conveners : Jun'ichi OKUNO (NIPR)
Real-time Oral presentations (10:30 – 12:10, 13:30 - 14:50)
Date: Mon. 15 November
| Chair: Mami Takehara (NIPR) (9:55- Announcement) | |||
|---|---|---|---|
| OGo1 | 10:30 - 10:50 | Current understanding of the geologic framework of easternmost part of Dronning Maud Land and western part of Enderby Land, and future plan (JARE 65-) | *Tomokazu Hokada (NIPR), JARE geology group |
| OGo2 | 10:50 - 11:10 | U-Pb zircon geochronology of high-grade metamorphic rocks from outcrops along the Prince Olav Coast, East Antarctica | *Ippei Kitano (Tochigi Prefectural Museum), Tomokazu Hokada (NIPR), Sotaro Baba (University of the Ryukyus), Atsushi Kamei (Shimane University), Yoichi Motoyoshi (NIPR), Tsuyoshi Toyoshima (Niigata University), Masahiro Ishikawa (Yokohama National University), Takuma Katori (Fossa Magna Museum), Nobuhiko Nakano (Kyushu University), Yasuhito Osanai (Kyushu University) |
| OGo3 | 11:10 - 11:30 | Long-lived anatexis in Rundvagshetta, Lützow-Holm Complex, East Antarctica | *Kota Suzuki (Kyoto University),Tetsuo Kawakami (Kyoto University), Shuhei Sakata (ERI, University of Tokyo) |
| OGo4 | 11:30 - 11:50 | Pressure-Temperature path of a garnet-biotite-sillimanite gneiss from the Oyayubi ridge, Brattnipene, Sør Rondane Mountains. | *Tatsuro Adachi (Kyushu University),Tetsuo Kawakami (Kyoto University), Masaoki Uno (Tohoku University), Fumiko Higashino (Kyoto University) |
| OGo5 | 11:50 - 12:10 | Highlights of the Student Himalayan Exercise Tour 9 years and invitation to the 10th tour | *Masaru Yoshida (Gondwana Institute for Geology and Environment, Tribhuvan University), Student Himalayan Field Exercise Project |
| 12:10 - 13:20 | Break | ||
| Chair: Takeshige Ishiwa (NIPR) (13:25- Announcement) | |||
| OGo6 | 13:30 - 13:50 | Paleostress inversion in hydro-fractured metamorphic complex using 3D aerophotography images (Sør Rondane Mountains, East Antarctica) | *Masaoki Uno (Tohoku University), Tetsuo Kawakami (Kyoto University), Tatsuro Adachi (Kyushu University), Fumiko Higashino (Kyoto University) |
| OGo7 | 13:50- 14:10 | Estimation of Shirase Glacier flow velocity from 2018 to 2021 using Sentinel-1 data | *Shotaro Ohkawa (The Graduate University for Advanced Studies), Koichiro Doi (NIPR), Kazuki Nakamura (Nihon University), Hiroto Nagai (Waseda University) |
| OGo8 | 14:10 - 14:30 | Episodes of West Antarctic Ice Sheet retreat during Pliocene warmth revealed by a sedimentary record from the Amundsen Sea | *Keiji Horikawa (University of Toyama), Masahiro Noda (University of Toyama), Miyu Fujimoto (University of Toyama), Yoshihiro Asahara (Nagoya University), Ki-Cheol Shin (Research Institute for Humanity and Nature), Masao Iwai (Kochi University), Li Wu (Tongji University), Ellen Cowan (Appalachian State University), Christine Siddoway (Colorado College), Claus-Dieter Hillenbrand (British Antarctic Survey) |
| OGo9 | 14:30 - 14:50 | Sea-level changes in East Antarctica based on glacial isostatic adjustmet modeling since the Last Interglacial period | *Takeshige Ishiwa (NIPR), Jun'ichi Okuno (NIPR), Yusuke Suganuma (NIPR) |
| 15:00 - 15:30 | Break | ||
| Chair: Jun'ichi Okuno (NIPR) | |||
| 15:30 - 16:00 | Poster session core time | ||
| 16:00 - 17:30 | Free discussion in each presenter's room (oral and poster presenters) | ||
Poster presentations (15 November - 18 November, Real-time presentation: 15 Nov. 15:30 - 17:30)
| OGp01 | Barberton impact spherules, South Africa: pursuing of shock metamorphism by using Raman spectroscopy | *Arpad Csamer (University of Debrecen), Diana Skita (University of Debrecen), Istvan Rigo (Wigner Research Centre for Physics), Miklos Veres (Wigner Research Centre for Physics), Peter Futo (University of Debrecen), Jozsef Vanyo (Eszterhazy Karoly University), Arnold Gucsik (Eszterhazy Karoly University) |
|---|---|---|
| OGp02 | Absolute Gravity Measurements Planned in JARE63 | *Koichiro Doi (NIPR), Akito Araya (ERI, The University of Tokyo), Daisuke Oka (Hokkaido Research Organization), Yoichi Fukuda (NIPR), Yuichi Aoyama (NIPR), Jun’ichi Okuno (NIPR), Akihisa Hattori (SOKENDAI) |
| OGp03 | Geochronological and petrogenesis of charnockite from Mt. Cronus, Napier Complex, Enderby Land, East Antarctica | *Miku Endo (Yamagata University), Kenichiro Tani (National Museum of Nature and Science), Shin-ichi Kagashima (Yamagata University) |
| OGp04 | Unveiling seafloor spreading mode and geodynamics in the Southeast Indian Ridge: New challenge in Japanese Antarctic Research Expedition | *Masakazu Fujii (NIPR) |
| OGp05 | Counterclockwise and clockwise P-T histories recorded in a single sample? (Brattnipene, Sør Rondane Mountains, East Antarctica) | *Hayato,Ikeda (Kyoto University), Tetsuo Kawakami (Kyoto University), Higashino Fumiko (Kyoto University) |
| OGp06 | Monazite U-Th-Pb ages of the “unnamed nunatak (Nunatak 170224-3)” east of Forfinger Point, Western Rayner Complex, Enderby Land, East Antarctica | *Tomokazu Hokada (NIPR), Sotaro Baba (University of the Ryukyus), Atsushi Kamei (Shimane University), Ippei Kitano (Kyushu University) |
| OGp07 | Preliminary reports of U-Pb zircon age of charnockites in Aker Peaks of the Napier Complex, East Antarctic | *Kenji Horie (NIPR), Mami Takehara (NIPR), Tomokazu Hokada (NIPR), Allen Nutman (University of Wollongong) |
| OGp08 | Dependence of GIA-induced gravity change in Antarctica on viscoelastic Earth structure | *Yoshiya Irie (NIPR), Jun’ichi Okuno (NIPR), Takeshige Ishiwa (NIPR), Koichiro Doi (NIPR), Yoichi Fukuda (NIPR) |
| OGp09 | Monitoring and assessing the permafrost coast retreat along the Kara Sea by integrating in situ measurements | *Arata Kioka (Kyushu University), Vladislav Isaev (Lomonosov Moscow State University), Pavel Kovov (Lomonosov Moscow State University), Takeshi Tsuji (Kyushu University), Stanislav Ogorodov (Lomonosov Moscow State University), Masakazu Fujii (NIPR), Osip Kokin (Lomonosov Moscow State University), Michail Tsarapov (Lomonosov Moscow State University), Andrey Koshurnikov (Lomonosov Moscow State University), Yaroslav Shevchuk (Lomonosov Moscow State University) |
| OGp10 | Metamorphic zone mapping of the High Himalayan Crystalline nappe in Dhankuta, Eastern Nepal | *Shumpei Kudo (Kyoto University), Tetsuo Kawakami (Kyoto University), Nakajima Toru (Tono Geoscience Center), Harutaka Sakai (Kyoto University) |
| OGp11 | Characteristics and evolution process of tectonic regions in the Antarctic Plate and its adjacent area based on marine geophysical data | *Takeshi Matsumoto (University of the Ryukyus), Yoshifumi Nogi (NIPR) |
| OGp12 | Dependence of the Holocene rapid melting on GIA-induced vertical rate in East Antarctica | *Jun'ichi Okuno (NIPR), Akihisa Hattori (SOKENDAI), Yoshiya Irie (NIPR), Yuichi Aoyama (NIPR), Koichiro Doi (NIPR), Yoichi Fukuda (NIPR) |
| OGp13 | Ice sheet thinning since the Last Glacial Maximum in central Dronning Maud Land, East Antarctica | *Yusuke Suganuma (NIPR), Heitaro Kaneda (Chuo University), Takushi Koyama (Oita University), Takeshige Ishiwa (NIPR), Jun'ichi Okuno (NIPR), Motohiro Hirabayashi (NIPR) |
| OGp14 | Geochemical characterization of zircons for age determination of metamorphism in Fyfe Hills of the Napier Complex, East Antarctica | *Mami Takehara (NIPR), Kenji Horie (NIPR), Tomokazu Hokada (NIPR) |
| OGp15 | Ancient earthquakes and E-W compressional stress field recorded by brittle faults and pseudotachylytes from southwestern Skarvsnes in the Lützow-Holm Complex, East Antarctica | *Tsuyoshi Toyoshima (Niigata University), Ippei Kitano (Tochigi Prefectural Museum), Masahiro Ishikawa (Yokohama National University), Takuma Katori (Fossa Magna Museum), Tomokazu Hokada (NIPR) |
| OGp16 | C-O-H fluid was present during the garnet-forming partial melting in the Aoyama area, Ryoke metamorphic belt, SW Japan | *Natsumi Yoshimoyo (Kyoto University), Tetsuo Kawakami (Kyoto University) |