Japan Geoscience Union Meeting 2025

Session information

[J] Poster

M (Multidisciplinary and Interdisciplinary) » M-ZZ Others

[M-ZZ44] Marine Manganese Minerals: Depositional environments, exploration, and development

Thu. May 29, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

convener:Akira Usui(Marine Core Research Institute, Kochi University), Yoshio Takahashi(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Katsuhiko Suzuki(Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology), Takashi Ito(Faculty of Education, Ibaraki University)

Marine manganese deposits forming nodules, crusts, and massive aggregates are known as potential resources for strategic metals as well as geological archives of surface environments. However, the controlling parameters of variations in chemical and mineralogical compositions on regional and temporal scales have not been well understood yet. In this session, various factors in growth processes, enrichment and circulation of metals, paleoenvironment, formation age are discussed with the results of exploration and environmental impact studies from viewpoints of geosciences and engineering.

5:15 PM - 7:15 PM

*Masanobu Yamamoto1, Akira Usui2, Hirokuni Oda3, Teruhiko Kashiwabara4, Hitoshi Hasegawa5 (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Marine Core Research Institute, Kochi University, 3.National Institute of Advanced Industrial Science and Technology, 4.Japan Agency for Marine-Earth Science and Technology, 5.Faculty of Science and Technology, Kochi University)

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