Mon. May 26, 2025 1:45 PM - 3:15 PM 102 (International Conference Hall, Makuhari Messe)

[J] Oral
| H (Human Geosciences )
| H-RE Resource and Engineering Geology

[H-RE12] Earth Resource Science

convener:Mihoko Hoshino(National Institute of Advanced Industrial Science and Technology), Yoko Ohtomo(Faculty of Engineering, Hokkaido University), Ryohei Takahashi(Graduate School of International Resource Sciences, Akita University), Tatsuo Nozaki(Department of Resources and Environmental Engineering, Faculty of Science and Engineering, Waseda University), Chairperson:Mihoko Hoshino(National Institute of Advanced Industrial Science and Technology), Yoko Ohtomo(Faculty of Engineering, Hokkaido University)

Mon. May 26, 2025 3:30 PM - 5:00 PM 102 (International Conference Hall, Makuhari Messe)

[J] Oral
| H (Human Geosciences )
| H-RE Resource and Engineering Geology

[H-RE12] Earth Resource Science

convener:Mihoko Hoshino(National Institute of Advanced Industrial Science and Technology), Yoko Ohtomo(Faculty of Engineering, Hokkaido University), Ryohei Takahashi(Graduate School of International Resource Sciences, Akita University), Tatsuo Nozaki(Department of Resources and Environmental Engineering, Faculty of Science and Engineering, Waseda University), Chairperson:Tatsuo Nozaki(Department of Resources and Environmental Engineering, Faculty of Science and Engineering, Waseda University), Ryohei Takahashi(Graduate School of International Resource Sciences, Akita University)

Mon. May 26, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| H (Human Geosciences )
| H-RE Resource and Engineering Geology

[H-RE12] Earth Resource Science

convener:Mihoko Hoshino(National Institute of Advanced Industrial Science and Technology), Yoko Ohtomo(Faculty of Engineering, Hokkaido University), Ryohei Takahashi(Graduate School of International Resource Sciences, Akita University), Tatsuo Nozaki(Department of Resources and Environmental Engineering, Faculty of Science and Engineering, Waseda University)

Wed. May 28, 2025 1:45 PM - 3:15 PM 201A (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG53] Petrology, Mineralogy & Resource Geology

convener:Tatsuo Nozaki(Department of Resources and Environmental Engineering, Faculty of Science and Engineering, Waseda University), Yu Nishihara(Geodynamics Research Center Ehime University), Keisuke Fukushi(Institute of Nature & Environmental Technology, Kanazawa University), Yui Kouketsu(Department of Earth & Planetary Sciences, Graduate School of Environmental Studies, Nagoya University), Chairperson:Tatsuo Nozaki(Department of Resources and Environmental Engineering, Faculty of Science and Engineering, Waseda University)

Wed. May 28, 2025 3:30 PM - 5:00 PM 201A (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG53] Petrology, Mineralogy & Resource Geology

convener:Tatsuo Nozaki(Department of Resources and Environmental Engineering, Faculty of Science and Engineering, Waseda University), Yu Nishihara(Geodynamics Research Center Ehime University), Keisuke Fukushi(Institute of Nature & Environmental Technology, Kanazawa University), Yui Kouketsu(Department of Earth & Planetary Sciences, Graduate School of Environmental Studies, Nagoya University), Chairperson:Yu Nishihara(Geodynamics Research Center Ehime University), Yui Kouketsu(Department of Earth & Planetary Sciences, Graduate School of Environmental Studies, Nagoya University), Keisuke Fukushi(Institute of Nature & Environmental Technology, Kanazawa University)

Wed. May 28, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG53] Petrology, Mineralogy & Resource Geology

convener:Tatsuo Nozaki(Department of Resources and Environmental Engineering, Faculty of Science and Engineering, Waseda University), Yu Nishihara(Geodynamics Research Center Ehime University), Keisuke Fukushi(Institute of Nature & Environmental Technology, Kanazawa University), Yui Kouketsu(Department of Earth & Planetary Sciences, Graduate School of Environmental Studies, Nagoya University)

Thu. May 29, 2025 10:45 AM - 12:15 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

[J] Oral
| L (Section Leading)
| Section Leading

[L-03] New perspectives of Human Geosciences

11:45 AM - 12:00 PM

[L03-05] Future directions for economic geology research

★Invited Papers

*Tatsuo Nozaki^1,2 (1.Waseda Univ., 2.Univ. of Tokyo)

Mon. May 26, 2025 1:45 PM - 3:15 PM 102 (International Conference Hall, Makuhari Messe)

[J] Oral
| H (Human Geosciences )
| H-RE Resource and Engineering Geology

[H-RE12] Earth Resource Science

2:45 PM - 3:00 PM

[HRE12-04] Coexistence of geothermal and magmatic-hydrothermal systems at epithermal gold-silver deposits in the Iriki and Hoshino areas, Kyushu District

*Yuji Gonoi¹, Jun Ito², Sotaro Arai¹, Junji Torimoto¹, Kenzo Sanematsu³, Junya Oshika⁴, Kotaro Yonezu², Akira Imai², Tatsuo Nozaki^1,5 (1.Waseda University, 2.Kyushu University, 3.National Institute of Advanced Industrial Science and Technology, 4.Cipango Resources KK, 5.University of Tokyo)

Tue. May 27, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| S (Solid Earth Sciences )
| S-GL Geology

[S-GL22] Geochronology and Isotope Geology

5:15 PM - 7:15 PM

[SGL22-P04] ESR dating of sea-floor hydrothermal barite - initial concentration of ²²⁸Ra/²²⁶Ra ratio and neutron activation analysis of Ba

*Shin Toyoda¹, Reo Kinugasa², Miyu Kakumoto², Jun-ichiro Ishibashi³, Tatsuo Nozaki^4,5, Hisao Yoshinaga⁶, Yuto Iinuma⁶, Ryo Okumura⁶ (1.Institute of Paleontology and Geochronology, Okayama University of Science, 2.Faculty of Science, Okayama University of Science, 3.Kobe Ocean-bottom Exploration Center, Kobe University, 4.Faculty of Science and Engineering, Waseda University, 5.School of Engineering, University of Tokyo, 6.Insitute of Integrated Radiation and Nuclear Science, Kyoto University)

Wed. May 28, 2025 1:45 PM - 3:15 PM 201A (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG53] Petrology, Mineralogy & Resource Geology

1:45 PM - 2:00 PM

[SCG53-01] Mineral replacement of sulfide minerals and its impact one thermoelectric conversion at seafloor hydrothermal vents

*Kentaro Toda¹, Atsushi Okamoto¹, DANDAR OTOGONBAYAR¹, Misaki Takahashi¹, Yoshinori Sato¹, Tomonori Ihara², Tatsuo Nozaki³ (1.Graduate School of Environmental Studies, TOHOKU University, 2.Tokyo University of Marine Science and Technology, 3.Waseda University)

2:00 PM - 2:15 PM

[SCG53-02] Gold precipitation mechanism via nano-colloidal grain at the Higashi-Aogashima Knoll Cardella hydrothermal field

*Okada Satoshi¹, Junji Torimoto², Takahiro Kuribayashi³, Toshiro Nagase³, Akira Owada⁴, Jun-ichiro Ishibashi⁵, Akiko Makabe¹, Yutaro Takaya^2,6, Tatsuo Nozaki^2,6 (1.Japan Agency for Marine-Earth Science and Technology, 2.Waseda University, 3.Tohoku University, 4.Nippon Petrographic Thin Section Co., Ltd., 5.Kobe University, 6.The University of Tokyo)

2:15 PM - 2:30 PM

[SCG53-03] Mineralogical and lead isotopic study on the Higashi-Aogashima Knoll Caldera hydrothermal site

*Kentaro Ishida¹, Mizuki Ishida^2,3, Junji Torimoto¹, Qing Chang⁴, Yutaro Takaya^5,1, Jun-ichiro Ishibashi⁶, Kato Yasuhiro^5,7, Yuji Gonoi¹, Tatsuo Nozaki^1,5 (1.Waseda Univ., 2.Natural History Museum, 3.Kwansai Gakuin Univ., 4.JAMSTEC, 5.Univ. of Tokyo, 6.Kobe Univ., 7.Chiba Inst. Tech,)

Tue. May 27, 2025 1:45 PM - 3:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

2:45 PM - 3:00 PM

[SCG55-05] Tracing Miocene impact events: Age estimation using the Re-Os isotope for pelagic clay in the Minamitorishima EEZ

*Mindaleva Diana¹, Tatsuo Nozaki^1,2, Kazuhide Mimura³, Moei Yano⁴, Junichiro Ohta², Koichi Iijima⁵, Kazutaka Yasukawa², Kentaro Nakamura^2,4, Yasuhiro Kato^2,4 (1.Waseda Univ., 2.Univ. of Tokyo, 3.AIST, 4.Chiba Inst. of Tech., 5.JAMSTEC)

3:00 PM - 3:15 PM

[SCG55-06] Deep-learning based exploration of seafloor hydrothermal activities at Higashi-Aogashima Knoll Calder

*Kazuhide Mimura¹, Junji Kaneko², Tatsuo Nozaki^3,4, Takafumi Kasaya², Yohei Sugimoto⁵, Takayuki Genda⁴, Kentaro Nakamura^4,6 (1.Geological survey of Japan, AIST, 2.JAMSTEC, 3.Waseda Univ., 4.Univ. Tokyo, 5.Nippon Marine Enterprises, 6.Chiba Inst. Tech.)

Mon. May 26, 2025 9:00 AM - 10:30 AM 301A (International Conference Hall, Makuhari Messe)

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

[B-BG02] Geo-Bio Interactions and its Applications

9:30 AM - 9:45 AM

[BBG02-03] On-site cultivation of deep-sea microbes using processed mineral specimens

*Satoshi Wakai^1,2, Kanae Kobayashi¹, Masahiro Ogawa¹, Tatsuo Nozaki^3,4 (1.Japan Agency for Marine-Earth Science and Technology, 2.Tokyo University of Agriculture and Technology, 3.Waseda University, 4.The University of Tokyo)

9:45 AM - 10:00 AM

[BBG02-04] Molecular and mineralogical analyses on the microbial community structure in rock samples from Higashi-Aogashima Knoll Caldera hydrothermal field

*Kanae Kobayashi¹, Masahiro Ogawa¹, Tatsuo Nozaki^2,3, Satoshi Wakai^1,4 (1.Japan Agency for Marine-Earth Science and Technology , 2.Waseda University, 3.University of Tokyo, 4.Tokyo University of Agriculture and Technology)

Tatsuo Nozaki

Convener, Chairperson

[H-RE12] Earth Resource Science

[H-RE12] Earth Resource Science

[H-RE12] Earth Resource Science

[S-CG53] Petrology, Mineralogy & Resource Geology

[S-CG53] Petrology, Mineralogy & Resource Geology

[S-CG53] Petrology, Mineralogy & Resource Geology

Speaker, Author, Co-Author

[L-03] New perspectives of Human Geosciences

[L03-05] Future directions for economic geology research

★Invited Papers

[H-RE12] Earth Resource Science

[HRE12-04] Coexistence of geothermal and magmatic-hydrothermal systems at epithermal gold-silver deposits in the Iriki and Hoshino areas, Kyushu District

[S-GL22] Geochronology and Isotope Geology

[SGL22-P04] ESR dating of sea-floor hydrothermal barite - initial concentration of ²²⁸Ra/²²⁶Ra ratio and neutron activation analysis of Ba

[S-CG53] Petrology, Mineralogy & Resource Geology

[SCG53-01] Mineral replacement of sulfide minerals and its impact one thermoelectric conversion at seafloor hydrothermal vents

[SCG53-02] Gold precipitation mechanism via nano-colloidal grain at the Higashi-Aogashima Knoll Cardella hydrothermal field

[SCG53-03] Mineralogical and lead isotopic study on the Higashi-Aogashima Knoll Caldera hydrothermal site

[S-CG55] Ocean Floor Geoscience

[SCG55-05] Tracing Miocene impact events: Age estimation using the Re-Os isotope for pelagic clay in the Minamitorishima EEZ

[SCG55-06] Deep-learning based exploration of seafloor hydrothermal activities at Higashi-Aogashima Knoll Calder

[B-BG02] Geo-Bio Interactions and its Applications

[BBG02-03] On-site cultivation of deep-sea microbes using processed mineral specimens

[BBG02-04] Molecular and mineralogical analyses on the microbial community structure in rock samples from Higashi-Aogashima Knoll Caldera hydrothermal field