Gold enrichment mechanism at the Higashi-Aogashima Knoll Caldera hydrothermal field from the aspect of Pb isotope

Kentaro Ishida

Presentation information

[E] Oral

H (Human Geosciences ) » H-RE Resource and Engineering Geology

[H-RE12] Seafloor mineral resources and their natural analogues on land

Thu. May 28, 2026 3:30 PM - 5:00 PM Exhibition Hall Special Setting (3) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Jamieson William John(University of Ottawa), Martin Jonathan Andrew(University of Nevada, Las Vegas), Seo Jung Hun(School of Earth and Environmental Sciences, Seoul National University)

3:45 PM - 4:00 PM

[HRE12-07] Gold enrichment mechanism at the Higashi-Aogashima Knoll Caldera hydrothermal field from the aspect of Pb isotope

*Kentaro Ishida¹, Mizuki Ishida^2,3, Junji Torimoto¹, Qing Chang⁴, Shiki Machida⁵, Yutaro Takaya^6,1, Jun-ichiro Ishibashi⁷, Akiko Makabe⁴, Mikiya Yamashita⁸, Kazutaka Yasukawa⁶, Yasuhiro Kato^6,5, Mindaleva Diana¹, Yuji Gonoi¹, Tatsuo Nozaki^1,6 (1. Waseda University, 2. Natural History Museum, 3. Kwansai Gakuin Univ., 4. JAMSTEC, 5. ChibaTech, 6. Univ. of Tokyo, 7. Kobe Univ., 8. AIST)

Keywords:seafloor mineral resources, seafloor hydrothermal deposit, Higashi-Aogashima Knoll Caldera, lead isotope, Izu-Bonin Arc, gold mineralization