[M-ZZ42] Process, Environment, and Exploration of Marine Manganese Deposits

Tue. May 28, 2024 3:30 PM - 4:45 PM 302 (International Conference Hall, Makuhari Messe)

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

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.

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3:30 PM - 3:45 PM

[MZZ42-01] Significance of petrological description for marine ferromanganese deposits as sediment cores and mineral deposits.

*Akira Usui¹, Hiroshi Kawahata ⁴, Kyoko Yamaoka², Teruhiko Kashiwabara³, Hikari Hino⁴ (1.Marine Core Research Institute, Kochi University, 2.Advanced Institute for Science and Techonlogy, 3.Japan Agency for Marine and Earth Science and Techonology, 4.Kochi University)

3:45 PM - 4:00 PM

[MZZ42-02] Preliminary simulation of sediment plume dispersion and deposition in seamount

*Naoki Saito^1,2, Shinichiro Yano², Masayuki Nagao¹, Atsushi Suzuki¹, Hiroko Kamoshida³ (1.National Institute of Advanced Industrial Science and Technology, 2.Kyushu University, 3.Japan Organization for Metals and Energy Security)

4:00 PM - 4:15 PM

[MZZ42-03] Characteristics of megabenthic community on guyots in the Northwest Pacific observed using an FDC deep-tow camera system

Hiroko Kamoshida¹, Shogo Kato², Hiroyuki Yokooka², Keigo Yanagita³, Shohei Kikuta³, Shota Mitsui⁴, Jumpei Minatoya⁴, Akira Iguchi^5,6, Hiroki Kise⁷, *Atsushi Suzuki^5,6 (1. Japan Organization for Metals and Energy Security (JOGMEC), 2.IDEA Consultants, Inc., 3.Science and Technology Co., Ltd., 4.Marine Biological Research Institute of Japan Co., Ltd., 5.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 6.Research Laboratory on Environmentally-conscious Developments and Technologies [E-code], National Institute of Advanced Industrial Science and Technology (AIST), 7.Environmental Management Research Institute, National Institute of Advanced Industrial Science and Technology (AIST))

4:15 PM - 4:30 PM

[MZZ42-04] Genetic population structure of a deep-sea amphipod species in the abyssal Clarion-Clipperton Zone (CCZ) in the Pacific

*Akira Iguchi¹, Eri Ikeuchi¹, Hiroki Kise¹, Kyoko Yamaoka¹, Atsushi Suzuki¹, Chisato Murakami² (1.National Institute of Advanced Industrial Science and Technology, 2.Deep Ocean Resources Development CO., LTD.)

4:30 PM - 4:45 PM

[MZZ42-05] Assessment of seamount and coastal connectivity using the deep-sea eel (Simenchelys parasitica: Synaphobranchidae)

*Akinori Teramura¹, Naoki Saito¹, Hiroki Kise¹, Miyuki Nishijima¹, Shunsuke Kondo², Tomo Kitahashi², Yuya Yamamoto², Atsushi Suzuki¹, Akira Iguchi¹ (1.National Institute of Advanced Industrial Science and Technology, 2.KANSO TECHNOS CO., LTD.)

Session information