Usui Akira

ウスイアキラ | Usui Akira

Affiliation and department：
Homepage URL (1)： http://www.cc.kochi-u.ac.jp/~a-usui/

Research field (3)： Earth resource engineering, energy science , Solid earth science , Human geoscience

Research keywords (4)：資源地学 , 海底鉱物資源 , resource geology , marine geology

Research theme for competitive and other funds (13)：

2021 - 2024 On-site 15-yr Experiment of Metal Accumulation onto Mn oxides
2020 - 2024 深海底での現場吸着・培養実験で明らかにする鉄マンガンクラストの成長・元素濃集過程
2018 - 2021 Reconstruction of the past ocean circulation using ferromanganese crust samples collected from a seamount
2016 - 2019 Geoscientific consideration of marine manganese crusts and nodules on global to nano-scales.
2015 - 2019 SIMS research on the formation environment of submarine platinum resources

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Papers (35)：

Hirokuni Oda, Wataru Katanoda, Akira Usui, Masafumi Murayama, Yuhji Yamamoto. Rotation of a Ferromanganese Nodule in the Penrhyn Basin, South Pacific, Tracked by the Earth's Magnetic Field. Geochemistry, Geophysics, Geosystems. 2023. 24. 3
Yusuke Fukami, Teruhiko Kashiwabara, Hiroshi Amakawa, Takazo Shibuya, Akira Usui, Katsuhiko Suzuki. Tellurium stable isotope composition in the surface layer of ferromanganese crusts from two seamounts in the Northwest Pacific Ocean. Geochimica et Cosmochimica Acta. 2022. 318. 279-291
Kobayashi Eishi, Suzuki Katsuhiko, Usui Akira, Qing CHANG, Makabe Akiko, Kashiwabara Teruhiko, Orihashi Yuji. Osmium isotope stratigraphy age and elemental composition of ferromanganese crusts from Iwaki seamount. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2021. 68. 175
A. Usui, H. Hino, D. Suzushima, N. Tomioka, Y. Suzuki, M. Sunamura, S. Kato, T. Kashiwabara, S. Kikuchi, G. I. Uramoto, et al. Modern precipitation of hydrogenetic ferromanganese minerals during on-site 15-year exposure tests. Scientific Reports. 2020. 10. 1
H. Oda, J. Kawai, A. Usui, Y. Yamamoto, A. Noguchi, I. Miyagi, M. Miyamoto, J. Fujihira, M. Sato. Development of scanning SQUID microscope system and its applications on geological samples: A case study on marine ferromanganese crust. Journal of Physics: Conference Series. 2020. 1590. 1

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MISC (46)：

天川裕史, 臼井朗, 後藤孝介, 鈴木勝彦. The fluctuations of Nd and Pb isotopic compositions of ferromanganese crusts collected from four different depths of the Takuyo-Daigo Seamount. 日本地球化学会年会要旨集(Web). 2022. 69th
Hirokuni Oda, Yoshio Nakasato, Akira Usui. Characterization of marine ferromanganese crust from the Pacific using residues of selective chemical leaching: identification of fossil magnetotactic bacteria with FE-SEM and rock magnetic methods. Earth, Planets and Space. 2018. 70. 1
長岡杏奈, 臼井朗, 浦本豪一郎. 海水起源マンガンクラストの成長構造,鉱物化学組成の微細層序学的検討. 資源地質学会年会講演会講演要旨集. 2018. 68th
Fukami Yusuke, Kashiwabara Teruhiko, Amakawa Hiroshi, Usui Akira, Suzuki Katsuhiko. Relationship between Tellurium Stable Isotope Compositions in Surface Layer of Marine Ferromanganese Crusts and ocean environment. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2018. 65. 0. 38-38
Amakawa Hiroshi, Fukami Yusuke, Torimoto Jyunji, Nozaki Tatsuo, Iijima Koichi, Usui Akira, Suzuki Katsuhiko. Vertical profiles of Nd concentration and isotopic composition in the oceanic region close to the Takuyo-Daigo Seamount. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2018. 65. 0. 198-198

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Patents (1)：

「新規微生物,微生物共生体,培養方法及びこれを用いた水処理方法」(発明者1%)

Books (7)：

鉱物・宝石の科学事典
朝倉書店 2019 ISBN:9784254162769
コバルトリッチクラストの成り立ち : 調査手法の確立に向けて
海洋研究開発機構次世代海洋資源調査技術プロジェクトチーム 2018 ISBN:9784901833424
Geoscience of Marine Manganese Deposits
2015 ISBN:9784130627221
薄片でよくわかる岩石図鑑 : 含まれる鉱物や組織で種類を知る
誠文堂新光社 2014 ISBN:9784416114070
地球と宇宙の化学事典
朝倉書店 2012 ISBN:9784254160574

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Lectures and oral presentations (74)：

北東太平洋の海山上で採取されたタイプの異なるマンガンノジュールの形成過程,
(地球惑星科学連合大会)
海底沈着実験による鉄マンガン酸化物の生成と金属濃集プロセス,
(地球惑星科学連合大会)
日本近海のマンガンクラストの産状と組成の特徴
(MMM2020 2020)
海水起源マンガンクラストの微細成長構造と生成環境
(MMM2020 2020)
海底マンガン鉱床の多様性に関わる地球科学:現状と今後
(MMM2020 2020)

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Works (3)：

科研費補助金C
2011 - 2013
第三十回寺田虎彦記念賞
2011 -
科研費補助金C
2003 - 2004

Education (3)：

1975 - 1979 The University of Tokyo Doctor Course, School of Engineering Mineral Resources Development Dept.
1973 - 1975 The University of Tokyo Mater Course, School of Engineering Mmineral Resources Development Dept.
The University of Tokyo The Faculty of Engineering

Professional career (1)：

工学博士 (東京大学)

Work history (5)：

2018/04 - 現在 National Institute of Advanced Industrial Science and Technology Geological Survey of Jpan Invited researcher
2015/04 - 現在 Japan Agency for Marine-Earth Science and Technology Submarine Mineral Resources Development Center Invited Researcher
2003/02 - 2014/03 Kochi University Fac. Science professor
1980/04 - 2003/02 Geological Survey of Japan, AIST Marine Minerals & Environments Section Chief
1979/09 - 1980/03 Japan Society for the Promotion of Science Graduate School of Engineering posdoc

Committee career (3)：

2017/10 - 現在 International Society of Ocean & Polar Engineering Technical Program Committee
2009/01 - 2011/01 Geological Society of Japan Director, Shikoku Branch
2007 - 2008 President, Internatonal Marine Minerals Society (2007-2008)

Awards (7)：

2020/10 - 国立大学法人高知大学優秀広報貢献賞広報活動の活性化
2018/06 - Society of Resource Geology Kato Takeo Award Geoscience of Marine Manganese Minerals
2016/03 - 高知市文化振興事業団高知出版学術賞海底マンガン鉱床の地球科学
2015/02 - 国立大学法人高知大学研究功績者賞研究の活性化
2014/09 - 国際海底鉱物資源協会 Moore Medal Geoscience of Marine Manganese Minerals

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Association Membership(s) (8)：

International Marine Minerals Society , 資源地質学会 , 日本地球化学会 , 日本地質学会 , 日本地学協会 , Society of Resource Geology , Geological Society of Japan , Geochemical Society of Japan

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