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

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

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)

Marine manganese deposits include nodules and crusts of massive iron-manganese oxide aggregates associated with useful metals. The deposits are known as potential resources of cobalt, copper, nickel, rare earth elements, platinum, and tellurium. However, the controlling parameters on the regional and temporal variations in chemical and mineralogical composition have not been clarified yet. In this session, various factors in the growth of manganese oxides, enrichment and circulation of metals, paleoenvironment, and formation age of manganese deposits will be discussed from viewpoints of geology, mineralogy, paleocean sciences, geochemistry, microbiology, and sea floor engineering.

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[MZZ41-P01] Mineral diversities of hydrogenetic ferromanganese crusts and nodules in the Northwestern Pacific sea floors.

*Akira Usui¹, Katsuhiko Suzuki² (1.Marine Core Research Center, Kochi University, 2.Japan Agency for Marine & Earth Sciences and Technology)

[MZZ41-P02] Implications for formation process of hydrogenetic ferromanganese crusts based on in-situ exposure experiments at sea floor

*Daiki Suzushima¹, Akira Usui² (1.Graduate School of Integrated Arts and Scienses, Science Program, Kochi University, 2.Kochi university marine core center)

[MZZ41-P03] Internal structures in the initial stage of formation of small manganese nodules, in the northeastern Pacific

*Masafumi MURAYAMA¹, Shinsuke Yagyu², Kosei Kawata³, Keiji Horikawa⁴ (1.Faculty of Agriculture and Marine Science, Kochi University, 2.Center for Advanced Marine Core Research, Kochi University, 3.Faculty of Science, Kochi University, 4.Graduate School of Science and Engineering for Research, University of Toyama)

[MZZ41-P04] Vertical profile of neodymium isotopic composition in the oceanic region close to the Takuyo-Daigo Seamount

*Hiroshi Amakawa¹, Yusuke Fukami¹, Junji Torimoto¹, Tatsuo Nozaki², Koichi Iijima², Akira Usui³, Katsuhiko Suzuki² (1.Japan Agency for Marine-Earth Science Technology Research and Development (R&D) Center for Submarine Resources, 2.Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology, 3.Marine Core Research Center, Kochi University)

[MZZ41-P05] Geochemical features of ferromanganese nodules in the Minamitorishima EEZ

*Koichi Horinouchi¹, Ryo Shimomura¹, Kentaro Nakamura¹, Shiki Machida^2,3, Kazutaka Yasukawa^1,2, Koichiro Fujinaga^2,1, Tatsuo Nozaki^3,4,2, Junji Torimoto³, Yasuhiro Kato^1,2,3 (1.School of Engineering, Univ. Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.JAMSTEC, 4.Kobe Univ.)

[MZZ41-P06] Identification of oxide layer structures of ferromanganese nodules in the Minamitorishima EEZ using X-ray CT

*Ryo Shimomura¹, Kentaro Nakamura¹, Shiki Machida^2,3, Kazutaka Yasukawa^1,2, Koichiro Fujinaga^2,1, Yasuhiro Kato^1,2,3 (1.Department of Systems Innovation, School of Engeneering, The University of Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.JAMSTEC)

Session information