Sun. May 20, 2018 9:00 AM - 10:30 AM A03 (Tokyo Bay Makuhari Hall)

[JJ] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-TT Technology & Techniques

[M-TT37] Frontiers in Geochemistry

convener:Urumu Tsunogai(Graduate School of Environmental Studies, Nagoya University), Yoshio Takahashi(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Tsuyoshi Iizuka(東京大学), Chairperson:Iizuka Tsuyoshi, Takahashi Yoshio(東京大学)

Sun. May 20, 2018 10:45 AM - 12:15 PM A03 (Tokyo Bay Makuhari Hall)

[JJ] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-TT Technology & Techniques

[M-TT37] Frontiers in Geochemistry

convener:Urumu Tsunogai(Graduate School of Environmental Studies, Nagoya University), Yoshio Takahashi(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Tsuyoshi Iizuka(東京大学), Chairperson:Tsunogai Urumu(Graduate School of Environmental Studies, Nagoya University), Takahashi Yoshio(東京大学)

Sun. May 20, 2018 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-TT Technology & Techniques

[M-TT37] Frontiers in Geochemistry

convener:Urumu Tsunogai(Graduate School of Environmental Studies, Nagoya University), Yoshio Takahashi(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Tsuyoshi Iizuka(東京大学)

Sun. May 20, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Evening Poster
| M (Multidisciplinary and Interdisciplinary)
| M-TT Technology & Techniques

[M-TT37] Frontiers in Geochemistry

convener:Urumu Tsunogai(Graduate School of Environmental Studies, Nagoya University), Yoshio Takahashi(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Tsuyoshi Iizuka(東京大学)

Wed. May 23, 2018 10:45 AM - 12:15 PM A11 (Tokyo Bay Makuhari Hall)

[JJ] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-ZZ Others

[M-ZZ41] Marine manganese deposits: from basic to applied sciences

convener:Akira Usui(Marine Core Research Center, Kochi University), Yoshio Takahashi(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Katsuhiko Suzuki(国立研究開発法人海洋研究開発機構・海底資源研究開発センター, 共同), Takashi Ito(Faculty of Education, Ibaraki University), Chairperson:Usui Akira, Suzuki Katsuhiko(JAMSTEC), Takahashi Yoshio(東京大学)

Wed. May 23, 2018 1:45 PM - 3:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-ZZ Others

[M-ZZ41] Marine manganese deposits: from basic to applied sciences

convener:Akira Usui(Marine Core Research Center, Kochi University), Yoshio Takahashi(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Katsuhiko Suzuki(国立研究開発法人海洋研究開発機構・海底資源研究開発センター, 共同), Takashi Ito(Faculty of Education, Ibaraki University)

Wed. May 23, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Evening Poster
| M (Multidisciplinary and Interdisciplinary)
| M-ZZ Others

[M-ZZ41] Marine manganese deposits: from basic to applied sciences

convener:Akira Usui(Marine Core Research Center, Kochi University), Yoshio Takahashi(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Katsuhiko Suzuki(国立研究開発法人海洋研究開発機構・海底資源研究開発センター, 共同), Takashi Ito(Faculty of Education, Ibaraki University)

Mon. May 21, 2018 9:00 AM - 10:30 AM 304 (3F International Conference Hall, Makuhari Messe)

[EE] Oral
| P (Space and Planetary Sciences)
| P-PS Planetary Sciences

[P-PS01] Outer Solar System Exploration Today, and Tomorrow

9:20 AM - 9:35 AM

[PPS01-02] An experimental study of sulfate reduction in hydrothermal environments within Europa

*Shuya Tan¹, Yasuhito Sekine¹, Takazo Shibuya², Chihiro Miyamoto¹, Yoshio Takahashi¹ (1.The University of Tokyo, 2.JAMSTEC)

Thu. May 24, 2018 3:30 PM - 5:00 PM 104 (1F International Conference Hall, Makuhari Messe)

[EE] Oral
| A (Atmospheric and Hydrospheric Sciences)
| A-HW Hydrology & Water Environment

[A-HW22] Hydrological Cycle and Water Environment

4:30 PM - 4:45 PM

[AHW22-22] Natural attenuation of zinc by the sediment layer in Majuro Atoll

*Lisa Ito¹, Yoshio Takahashi¹ (1.Department of Earth and Planetary Science, School of Science, The University of Tokyo)

Tue. May 22, 2018 9:00 AM - 10:30 AM 201A (2F International Conference Hall, Makuhari Messe)

[JJ] Oral
| A (Atmospheric and Hydrospheric Sciences)
| A-CC Cryospheric Sciences & Cold District Environment

[A-CC29] Ice cores and paleoenvironmental modeling

9:15 AM - 9:30 AM

[ACC29-02] Overview and recent activities for shallow ice core project on a high-accumulation dome, southeast Greenland

★Invited Papers

*Iizuka Yoshinori¹, Sumito Matoba¹, Ryoto Furukawa¹, Takuto Ando¹, Takeshi Saito¹, Fahmida Parvin¹, Tomomi Amino¹, Mai Shibata¹, Moe Kadota¹, Osamu Seki¹, Shin Sugiyama¹, Ryu Uemura², Koji Fujita³, Asuka Tsuruta⁴, Shohei Hattori⁴, Shuji Fujita⁵, Hideaki Motoyama⁵, Naoko Nagatsuka⁵, Ikumi Oyabu⁵, Satoru Yamaguchi⁶, Satoshi Adachi⁶, Hiroshi Ohno⁷, Akira Hori⁷, Chihiro Miyamoto⁸, Yoshio Takahashi⁸, Chiaki Sasaki⁹, Toshitaka Suzuki⁹, Angel T. Bautista VII^10,11, Hiroyuki Matsuzaki¹⁰, Kazuho Horiuchi¹², Atsushi Miyamoto¹³, Kei Yoshimura¹⁴, Jesper Sjolte¹⁵, Masashi Niwano¹⁶, Naga Oshima¹⁶, Akihiro Hashimoto¹⁶, Tetsuhide Yamasaki¹⁷, Teruo Aoki¹⁸ (1.Institite of Low Temperature Science, Hokkaido University, 2.Department of Chemistry, Biology, and Marine Science, Faculty of Science, University of the Ryukyus, 3.Graduate School of Environmental Studies, Nagoya University, 4.Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 5.National Institute of Polar Research, 6.The National Research Institute for Earth Science and Disaster Prevention, 7.Department of Civil and Environmental Engineering, Kitami Institute of Technology, Hokkaido, Japan, 8.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 9.Faculty of Science, Yamagata University, 10.Department of Nuclear Engineering and Management, The University of Tokyo, 11.Philippine Nuclear Research Institute - Department of Science and Technology (PNRI-DOST), 12.Graduate School of Science and Technology, Hirosaki University, 13.Institute for the Advancement of Higher Education, Hokkaido University, 14.Institute of Industrial Science, The University of Tokyo, 15.Department of Geology, Quaternary Science, Lund University, 16.Meteorological Research Institute, Japan Meteorological Agency, 17.Avangnaq, 18.Graduate School of Natural Science and Technology, Okayama University)

Mon. May 21, 2018 3:30 PM - 5:00 PM 104 (1F International Conference Hall, Makuhari Messe)

[EE] Oral
| A (Atmospheric and Hydrospheric Sciences)
| A-GE Geological & Soil Environment

[A-GE31] Subsurface Mass Transport, Material Cycle, and Environmental Assessment

4:25 PM - 4:40 PM

[AGE31-08] Fixation of radium by weathered granite from the view point of dependence of ionic size on adsorption reaction

*Yamaguchi Akiko¹, Yuichi Kurihara¹, Kazuya Tanaka², Yoshiyuki Obara³, Naohumi Kouzai², Yoshio Takahashi¹ (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Advanced Science Research Center, Japan Atomic Energy Agency, 3.Ningyo-toge Environmental Engineering Center, Japan Atomic Energy Agency)

Tue. May 22, 2018 1:45 PM - 3:15 PM 106 (1F International Conference Hall, Makuhari Messe)

[JJ] Oral
| A (Atmospheric and Hydrospheric Sciences)
| A-CG Complex & General

[A-CG41] Biogeochemical linkages between the ocean and the atmosphere during phytoplankton blooms

2:15 PM - 2:30 PM

[ACG41-03] Enhancement of Iron Solubility by Organic Matters in Sea Spray Aerosol

*Kohei Sakata¹, Minako Kurisu², Hiroshi Tanimoto¹, Aya Sakaguchi³, Yasuo Takeichi⁴, Yoshio Takahashi² (1.National Institute for Environmental Studies , 2.The Univ. of Tokyo, 3.Univ. of Tsukuba, 4.High Energy Accelerator Research Organization)

Wed. May 23, 2018 1:45 PM - 3:15 PM A11 (Tokyo Bay Makuhari Hall)

[EJ] Oral
| S (Solid Earth Sciences)
| S-RD Resources, Mineral Deposit & Resource Exploration

[S-RD33] Resource Geology

1:45 PM - 2:15 PM

[SRD33-06] Metal resource sciences based on elemental properties of rare metals revealed by speciation analysis

★Invited Papers

*Yoshio Takahashi¹ (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo)

Mon. May 21, 2018 10:45 AM - 12:15 PM 101 (1F International Conference Hall, Makuhari Messe)

[JJ] Oral
| B (Biogeosciences)
| B-BG Biogeosciences & Geosphere-Biosphere Interactions

[B-BG02] Interrelation between Life, Water, Mineral, and Atmosphere

11:30 AM - 11:45 AM

[BBG02-09] Mn(II) oxidation processes at the surface of microbially colonized manganese deposits

*Fumito Shiraishi¹, Yuya Matsumura¹, Ryoji Chihara¹, Tomoyo Okumura², TAKAAKI ITAI³, Teruhiko Kashiwabara⁴, Akihiro Kano³, Yoshio Takahashi³ (1.Hiroshima University, 2.Kochi University, 3.The University of Tokyo, 4.JAMSTEC)

Mon. May 21, 2018 1:45 PM - 3:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Poster
| B (Biogeosciences)
| B-BG Biogeosciences & Geosphere-Biosphere Interactions

[B-BG02] Interrelation between Life, Water, Mineral, and Atmosphere

[BBG02-P03] Role of extracellular polymeric substances on cyanobacterial calcification

*Takeru Omori¹, Naotaka Tomioka², Satoko Motai², Yoshio Takahashi³, Fumito Shiraishi¹ (1.Hiroshima University , 2.JAMSTEC, 3.The University of Tokyo)

[BBG02-P06] Fe-kaolinite formed in granite saprolite beneath sedimentary kaolin deposits

*Tetsuichi Takagi¹, Mayumi Jige², Yoshio Takahashi³, Minako Kurisu³, Yuki Tsunazawa¹, Kazuya Morimoto¹, Mihoko Hoshino¹, Katsuhiro Tsukimura¹ (1.Geological Survey of Japan, AIST, 2.Osaka-Ohtani University, 3.University of Tokyo)

Mon. May 21, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Evening Poster
| B (Biogeosciences)
| B-BG Biogeosciences & Geosphere-Biosphere Interactions

[B-BG02] Interrelation between Life, Water, Mineral, and Atmosphere

[BBG02-P03] Role of extracellular polymeric substances on cyanobacterial calcification

*Takeru Omori¹, Naotaka Tomioka², Satoko Motai², Yoshio Takahashi³, Fumito Shiraishi¹ (1.Hiroshima University , 2.JAMSTEC, 3.The University of Tokyo)

[BBG02-P06] Fe-kaolinite formed in granite saprolite beneath sedimentary kaolin deposits

*Tetsuichi Takagi¹, Mayumi Jige², Yoshio Takahashi³, Minako Kurisu³, Yuki Tsunazawa¹, Kazuya Morimoto¹, Mihoko Hoshino¹, Katsuhiro Tsukimura¹ (1.Geological Survey of Japan, AIST, 2.Osaka-Ohtani University, 3.University of Tokyo)

Tue. May 22, 2018 1:45 PM - 3:15 PM 101 (1F International Conference Hall, Makuhari Messe)

[JJ] Oral
| B (Biogeosciences)
| B-CG Complex & General

[B-CG09] Decoding the history of Earth: From Hadean to the present

2:45 PM - 3:00 PM

[BCG09-11] The spatial distribution of transitional elements of the BIFs and the manganese rocks in the Paleoproterozoic Hotazel Formation

*Shogo Aoki¹, Takeshi Ohno³, Ryoichi Nakada⁴, Teruhiko Kashiwabara⁵, Yoshio Takahashi⁶, Harilaos Tsikos⁷, Tsuyoshi Komiya² (1.Faculty of Biosphere-Geosphere Science, Okayama University of Science, 2.Graduate School of Arts and Sciences, the University of Tokyo, 3.Faculty of Science, Gakushuin University, 4.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 5.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 6.Graduate School of Science, The University of Tokyo, 7.Geology Department, Rhodes University)

Wed. May 23, 2018 9:00 AM - 10:30 AM 101 (1F International Conference Hall, Makuhari Messe)

[JJ] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS14] Biogeochemistry

10:00 AM - 10:15 AM

[MIS14-05] Low Iron Isotope Ratio in Aerosol Emitted by Combustion: Verification of Isotope Fractionation during Evaporation

*Minako Kurisu¹, Kohei Sakata^1,2, Kouji Adachi³, Yoshio Takahashi¹ (1.Graduate School of Science, The University of Tokyo, 2.National Institute for Environmental Studies, 3.Meteorological Research Institute)

Wed. May 23, 2018 10:45 AM - 12:15 PM 101 (1F International Conference Hall, Makuhari Messe)

[JJ] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS14] Biogeochemistry

11:15 AM - 11:30 AM

[MIS14-09] Initial soil formation on fresh volcanic ash from the 2000 eruption of Miyake Island

*Maki Asano¹, XINXIN LI¹, Kenji Tamura¹, Takashi Kamijyo¹, Rota Wagai², Yasuo Takeichi³, Kanta Ono³, Yoshio Takahashi⁴ (1.University of Tsukuba, 2.NARO, 3.KEK, 4.The University of Tokyo)

Tue. May 22, 2018 10:45 AM - 12:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS18] Aqua planetology

[MIS18-P08] An experimental and field study toward evaluation of chemical weathering on early Mars

*Maya Nakamura¹, Yasuhito Sekine¹, Keisuke Fukushi², Takazo Shibuya³, Noriko Hasebe², Jaahanaa Davaadorj⁴, Yoshio Takahashi¹ (1.Department of Earth and Planetary Science, The University of Tokyo, 2.Institute of Nature & Environmental Technology, Kanazawa University, 3.Japan Agency for Marine-Earth Science and Technology, 4.Department of Geography, National University of Mongolia)

Tue. May 22, 2018 1:45 PM - 3:15 PM 105 (1F International Conference Hall, Makuhari Messe)

[JJ] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS18] Aqua planetology

3:00 PM - 3:15 PM

[MIS18-12] Preliminary investigation results of organic matter in the Black Beauty (NWA 7034)

*Hiroki Suga¹, Masaaki Miyahara¹, Motoo Ito², Yasuo Takeichi³, Hikaru Yabuta¹, Akira Yamaguchi⁴, Yoshio Takahashi⁵, Eiji Ohtani⁶ (1.Hiroshima University, 2.Kochi Institute for Core Sample Research, JAMSTEC, 3.KEK-Photon Factory, 4.National Institute of Polar Research, 5.The University of Tokyo, 6.Tohoku University)

Tue. May 22, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Evening Poster
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS18] Aqua planetology

[MIS18-P08] An experimental and field study toward evaluation of chemical weathering on early Mars

*Maya Nakamura¹, Yasuhito Sekine¹, Keisuke Fukushi², Takazo Shibuya³, Noriko Hasebe², Jaahanaa Davaadorj⁴, Yoshio Takahashi¹ (1.Department of Earth and Planetary Science, The University of Tokyo, 2.Institute of Nature & Environmental Technology, Kanazawa University, 3.Japan Agency for Marine-Earth Science and Technology, 4.Department of Geography, National University of Mongolia)

Sun. May 20, 2018 9:00 AM - 10:30 AM A02 (Tokyo Bay Makuhari Hall)

[EJ] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-AG Applied Geosciences

[M-AG33] Dynamics of radionuclides emitted from Fukuchima Dai-ichi Nuclear Power Plant in the environment

10:00 AM - 10:15 AM

[MAG33-04] Characteristics of radiocesium-bearing microparticles and Type B particles using multiple synchrotron radiation X-ray analyses

*Hikaru Miura^1,2, Yuichi Kurihara², Masayoshi Yamamoto³, Noriko Yamaguchi⁴, Aya Sakaguchi⁵, Shogo Higaki⁶, Yoshio Takahashi² (1.Environmental Science Research Laboratory, Central Research Institute of Electric Power Industry, 2.Department of science, Graduate school of The university of Tokyo , 3.Low Level Radioactivity Laboratory, University of Kanazawa, 4.Institute for Agro-Environmental Sciences, NARO, 5.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 6.Isotope Science Center, The University of Tokyo)

Sun. May 20, 2018 9:00 AM - 10:30 AM A03 (Tokyo Bay Makuhari Hall)

[JJ] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-TT Technology & Techniques

[M-TT37] Frontiers in Geochemistry

9:30 AM - 9:45 AM

[MTT37-03] Molecular geochemistry of rubidium: a possibility of ⁸⁷Rb/⁸⁵Rb ratio as a signature of sedimentary environment and seawater amount

*Hiroyuki Tsuboi¹, Yamaguchi Akiko¹, TAKAAKI ITAI¹, Yoshio Takahashi¹ (1.The University of Tokyo)

Sun. May 20, 2018 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-TT Technology & Techniques

[M-TT37] Frontiers in Geochemistry

[MTT37-P02] Speciation and stable isotope variations of antimony in size fractionated aerosol collected from a tunnel and an urban air in Japan

*Shohgo Kawashima¹, TAKAAKI ITAI¹, Minako Kurisu¹, Chihiro Miyamoto¹, Yoshio Takahashi¹ (1.Tokyo University)

Sun. May 20, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Evening Poster
| M (Multidisciplinary and Interdisciplinary)
| M-TT Technology & Techniques

[M-TT37] Frontiers in Geochemistry

[MTT37-P02] Speciation and stable isotope variations of antimony in size fractionated aerosol collected from a tunnel and an urban air in Japan

*Shohgo Kawashima¹, TAKAAKI ITAI¹, Minako Kurisu¹, Chihiro Miyamoto¹, Yoshio Takahashi¹ (1.Tokyo University)

Wed. May 23, 2018 10:45 AM - 12:15 PM A11 (Tokyo Bay Makuhari Hall)

[JJ] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-ZZ Others

[M-ZZ41] Marine manganese deposits: from basic to applied sciences

11:30 AM - 11:45 AM

[MZZ41-04] Mineralogical and geochemical characteristics of manganese mineral particles in the South Pacific Gyre sediment

*Go-Ichiro Uramoto^1,2, Yuki Morono², Naotaka Tomioka², Shigeyuki Wakaki², Ryoichi Nakada², Rota Wagai³, Kentaro Uesugi⁴, Akihisa Takeuchi⁴, Masato Hoshino⁴, Yoshio Suzuki^4,5, Satoshi Mitsunobu⁶, Fumito Shiraishi⁷, Hiroki Suga⁷, Yasuo Takeichi⁸, Yoshio Takahashi⁵, Fumio Inagaki² (1.Kochi University, 2.Japan Agency for Marine-Earth Science and Technology, 3.National Agriculture and Food Research Organization, 4.Japan Synchrotron Radiation Research Institute, 5.University of Tokyo, 6.Ehime University, 7.Hiroshima University, 8.High Energy Accelerator Research Organization)

11:45 AM - 12:00 PM

[MZZ41-05] Mechanism of large isotope fractionation of molybdenum (VI) between seawater and ferromanganese oxides

*Masato Tanaka¹, Daisuke Ariga², Teruhiko Kashiwabara³, Yoshio Takahashi¹ (1.Graduate School of Science, The University of Tokyo, 2.Graduate School of Science, Hiroshima University, 3.Japan Agency for Marine-Earth Science and Technology (JAMSTEC))

Yoshio Takahashi

Convener, Chairperson

Speaker, Author, Co-Author

★Invited Papers

★Invited Papers