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last modified：2025/04/02
Associate Professor USUI, Yoichi
Faculty, Affiliation
Faculty of Geosciences and civil Engineering,Institute of Science and Engineering
College and School Educational Field
Laboratory
Academic Background
Career
Kanazawa University College of Science and Engineering, Geoscience and Civil Engineering Associate Professor(2022/03-)
Japan Agency for Marine-Earth Science and Technology(2011/04-2022/02)
University of Rochester Department of Earth and Environmental Sciences Postdoctoral associate(2009/09-2011/04)
Tohoku University(2009/04-2009/08)
Year & Month of Birth
Academic Society
Society of Geomagnetism and Earth, Planetary and Space Sciences
Award
Specialities
Solid earth and planetary physics
Speciality Keywords
magnetostratigraphy,exsolved magnetite,superchrons,magnetic bacteria,rock magnetism,paleomagnetism
Research Themes
Searching for preferential orientations of magnetic fossils in rocks: possible clues to paleomagnetism and bacterial ecology
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-22K18744/
Research on outer rise and oceanic core complexes
Books
Papers
- K-feldspar enrichment in the Pacific pelagic sediments before Miocene Usui, Y.,Yamazaki, T. Progress in Earth and Planetary Science 10 1 2023/08/14
- X‐ray computed tomography of deep‐sea clay as tools to detect rare earth elements and yttrium enrichment Yoichi Usui,Kazutaka Yasukawa,Koichi Iijima,Hideaki Machiyama,Yuji Ichiyama,Erika Tanaka,Koichiro Fujinaga Island Arc 2023/01
- Identification of paleomagnetic remanence carriers in ca. 3.47 Ga dacite from the Duffer Formation, the Pilbara Craton Yoichi Usui,Masafumi Saitoh,Kenichiro Tani,Manabu Nishizawa,Takazo Shibuya,Chie Kato,Tomoyo Okumura,Teruhiko Kashiwabara Physics of the Earth and Planetary Interiors 2020/02
- Understanding the Role of Biogenic Magnetite in Geomagnetic Paleointensity Recording: Insights From Ontong Java Plateau Sediments Jiaxi Li,Toshitsugu Yamazaki,Yoichi Usui,Takuya Sagawa,Yoshimi Kubota,Junichiro Kuroda Journal of Geophysical Research: Solid Earth 127 6 2022/06
- Magnetostratigraphic evidence for post-depositional distortion of osmium isotopic records in pelagic clay and its implications for mineral flux estimates Yoichi Usui,Toshitsugu Yamazaki EARTH PLANETS AND SPACE 73 1 2021/01
- Inverse Magnetic Susceptibility Fabrics in Pelagic Sediment: Implications for Magnetofossil Abundance and Alignment Yoichi Usui,Toshitsugu Yamazaki,Toshitaka Oka,Yuho Kumagai JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 124 11 10672 2019/11
- Non-Chained, Non-Interacting, Stable Single-Domain Magnetite Octahedra in Deep-Sea Red Clay: A New Type of Magnetofossil? Usui, Y.,Yamazaki, T. Geochemistry, Geophysics, Geosystems 22 7 2021/07
- Evidence for a 3.45-billion-year-old magnetic remanence: Hints of an ancient geodynamo from conglomerates of South Africa Yoichi Usui,John A. Tarduno,Michael Watkeys,Axel Hofmann,Rory D. Cottrell GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 10 2009/09
- Nonlinear thermoremanence corrections for Thellier paleointensity experiments on single plagioclase crystals with exsolved magnetites: a case study for the Cretaceous Normal Superchron Yoichi Usui,Norihiro Nakamura EARTH PLANETS AND SPACE 61 12 1327 2009
- High-pressure memory in magnetite found under low temparature: implication for the impacted rocks at Vredefort crater Usui, Y,Nakamura, N,Kondo, T Geophysical Research Abstracts 8 07165 EGU06-A-07165 2006/04
- The Middle to Late Miocene “Carbonate Crash” in the Equatorial Indian Ocean Julia Lübbers,Wolfgang Kuhnt,Ann E. Holbourn,Clara T. Bolton,Emmeline Gray,Yoichi Usui,Karlos G. D. Kochhann,Sebastian Beil,Nils Andersen Paleoceanography and Paleoclimatology 34 5 813 2019/05
- IODP expedition 334: An investigation of the sedimentary record, fluid flow and state of stress on top of the seismogenic zone of an erosive subduction margin Paola Vannucchi,Kohtaro Ujiie,Nicole Stroncik,Alberto Malinverno,Ivonne Arroyo,Udo Barckhausen,Marianne J. Conin,Susan Murr Foley,Michael J. Formolo,Robert N. Harris,Arnauld Heuret,Gary J Huftile,Jun Kameda,Gil Young Kim,Steffen O. Kutterolf,Amanda J. Martino,Gillian A. McCay,Marianne Nuzzo,Ken'ichi Ohkushi,Saneatsu Saito,Peter B. Sak,Evan A. Solomon,Michael Stipp,Marta E. Torres,Akito Tsutsumi,Masaoki Uno,Yoichi Usui,Yatheesh Vadakkeyakath,Yuzuru Yamamoto,Xixi Zhao,Junjiang Zhu,Jenifer Saltman Scientific Drilling 15 15 23 2013
- Pressure effect on magnetic hysteresis parameters of single-domain magnetite contained in natural plagioclase crystal Masahiko Sato,Yuhji Yamamoto,Takashi Nishioka,Kazuto Kodama,Nobutatsu Mochizuki,Yoichi Usui,Hideo Tsunakawa GEOPHYSICAL JOURNAL INTERNATIONAL 202 1 394 2015/07
- International ocean discovery program expedition 353 preliminary report Indian Monsoon Rainfall Steven C. Clemens,Wolfgang Kuhnt,Leah J. LeVay,Pallavi Anand,Takuto Ando,Milos Bartol,Clara T. Bolton,Xuan Ding,Karen Gariboldi,Liviu Giosan,Edmund C. Hathorne,Yongsong Huang,Priyank Jaiswal,Sunghan Kim,John B. Kirkpatrick,Kate Littler,Gianluca Marino,Philippe Martinez,Dinesh Naik,Aditya Peketi,Stephen C. Phillips,Marci M. Robinson,Oscar E. Romero,Netramani Sagar,Katie B. Taladay,Samuel N. Taylor,Kaustubh Thirumalai,Goichiro Uramoto,Yoichi Usui,Jiasheng Wang,Masanobu Yamamoto,Liping Zhou Integrated Ocean Drilling Program: Preliminary Reports 353 1 2015/04
- Changing Abundance of Magnetofossil Morphologies in Pelagic Red Clay Around Minamitorishima, Western North Pacific Yoichi Usui,Toshitsugu Yamazaki,Masafumi Saitoh Geochemistry, Geophysics, Geosystems 18 12 4558 2017/12/01
- Discovery of extremely REY-rich mud in the western North Pacific Ocean Koichi Iijima,Kazutaka Yasukawa,Koichiro Fujinaga,Kentaro Nakamura,Shiki Machida,Yutaro Takaya,Junichiro Ohta,Satoru Haraguchi,Yoshiro Nishio,Yoichi Usui,Tatsuo Nozaki,Toshitsugu Yamazaki,Yuji Ichiyama,Akira Ijiri,Fumio Inagaki,Hideaki Machiyama,Katsuhiko Suzuki,Yasuhiro Kato GEOCHEMICAL JOURNAL 50 6 557 2016
- Geochemistry of REY-rich mud in the Japanese Exclusive Economic Zone around Minamitorishima Island Koichiro Fujinaga,Kazutaka Yasukawa,Kentaro Nakamura,Shiki Machida,Yutaro Takaya,Junichiro Ohta,Shuhei Araki,Hanjie Liu,Ryo Usami,Ryota Maki,Satoru Haraguchi,Yoshiro Nishio,Yoichi Usui,Tatsuo Nozaki,Toshitsugu Yamazaki,Yuji Ichiyama,Akira Ijiri,Fumio Inagaki,Hideaki Machiyama,Koichi Iijima,Katsuhiko Suzuki,Yasuhiro Kato GEOCHEMICAL JOURNAL 50 6 575 2016
- Salvaging primary remanence from hydrothermally altered oceanic gabbros in the Oman ophiolite: A selective destructive demagnetization approach Yoichi Usui,Shusaku Yamazaki PHYSICS OF THE EARTH AND PLANETARY INTERIORS 181 1-2 1 2010/07
- Geodynamo, Solar Wind, and Magnetopause 3.4 to 3.45 Billion Years Ago John A. Tarduno,Rory D. Cottrell,Michael K. Watkeys,Axel Hofmann,Pavel V. Doubrovine,Eric E. Mamajek,Dunji Liu,David G. Sibeck,Levi P. Neukirch,Yoichi Usui SCIENCE 327 5970 1238 2010/03
- Rock magnetism of tiny exsolved magnetite in plagioclase from a Paleoarchean granitoid in the Pilbara craton Yoichi Usui,Takazo Shibuya,Yusuke Sawaki,Tsuyoshi Komiya GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 16 1 112 2015/01
- Paleointensity estimates from oceanic gabbros: Effects of hydrothermal alteration and cooling rate Yoichi Usui EARTH PLANETS AND SPACE 65 9 985 2013
- Paleointensity estimates from oceanic gabbros: Effects of hydrothermal alteration and cooling rate Yoichi Usui Earth, Planets and Space 65 9 985 2013
- Magnetite microexsolutions in silicate and magmatic flow fabric of the Goyozan granitoid (NE Japan): Significance of partial remanence anisotropy Yoichi Usui,Norihiro Nakamura,Takeyoshi Yoshida Journal of Geophysical Research: Solid Earth 111 11 2006/11/04
- Complex magnetic susceptibility measurements at high pressure in a diamond anvil cells: basic design and techniques Usui, Y,Nakamura, N Abstracts of the international symposium on "Spatial and temporal fluctuations in the Solid earth -clues to the future of our planet" Cp-13 2005/07
- High pressure complex magnetic susceptibility measurements of magnetite under low temperature Usui, Y,Nakamura, N,Kondo, T Travaux Geophysiques XXVII 119 2006/09
- A new and prospective resource for scandium: Evidence from the geochemistry of deep-sea sediment in the western North Pacific Ocean Yasukawa Kazutaka,Ohta Junichiro,Mimura Kazuhide,Tanaka Erika,Takaya Yutaro,Usui Yoichi,Fujinaga Koichiro,Machida Shiki,Nozaki Tatsuo,Iijima Koichi,Nakamura Kentaro,Kato Yasuhiro ORE GEOLOGY REVIEWS 102 260 2018/11
- Paleomagnetic directional groups and paleointensity from the flood basalt in the Tarim large igneous province: implications for eruption frequency Yoichi Usui,Wei Tian EARTH PLANETS AND SPACE 69 2017/01
- Domain-structure related remanence anisotropies and their petrographic observations: a comparative study of AMS, partial AARM, and SEM in plutonic complex, NE Japan. Usui, Y,Nakamura, N,Yoshida, T Geophysical Research abstract 6 07547 2004/01
- Indian Monsoonal Variations During the Past 80 Kyr Recorded in NGHP-02 Hole 19B, Western Bay of Bengal: Implications From Chemical and Mineral Properties Yuki Ota,Hodaka Kawahata,Junichiro Kuroda,Asuka Yamaguchi,Atsushi Suzuki,Daisuke Araoka,Ayako Abe-Ouchi,Yasuhiro Yamada,Akira Ijiri,Toshiya Kanamatsu,Masataka Kinoshita,Kyaw Thu Moe,Weiren Lin,Saneatsu Saito,Yoshinori Sanada,Yohei Hamada,Yasuyuki Nakamura,Yuichi Shinmoto,Hung Yu Wu,Naokazu Ahagon,Kan Aoike,Koichi Iijima,Hideaki Machiyama,Maria Luisa Tejada,Keita Umetsu,Yoichi Usui,Yuzuru Yamamoto,Shuro Yoshikawa,Francisco Jimenez-Espejo,Satoru Haraguchi,Nobuharu Komai,Hisami Suga,Natsue Abe,Lallan Gupta,Takehiro Hirose,Yuka Masaki,Shun Nomura,Takamitsu Sugihara,Wataru Tanikawa,Yusuke Kubo,Lena Maeda,Sean Toczko GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 20 1 148 2019/01
- Removal of organic contaminants from iron sulfides as a pretreatment for mineral-mediated chemical synthesis under prebiotic hydrothermal conditions Manabu Nishizawa,Masafumi Saitoh,Yohei Matsui,Yoichi Usui,Takazo Shibuya Geochemical Journal 51 6 495 2017
- The tremendous potential of deep-sea mud as a source of rare-earth elements Yutaro Takaya,Kazutaka Yasukawa,Takehiro Kawasaki,Koichiro Fujinaga,Junichiro Ohta,Yoichi Usui,Kentaro Nakamura,Jun-Ichi Kimura,Qing Chang,Morihisa Hamada,Gjergj Dodbiba,Tatsuo Nozaki,Koichi Iijima,Tomohiro Morisawa,Takuma Kuwahara,Yasuyuki Ishida,Takao Ichimura,Masaki Kitazume,Toyohisa Fujita,Yasuhiro Kato Scientific Reports 8 1 2018/12/01
- Rock magnetism of quartz and feldspars chemically separated from pelagic red clay: a new approach to provenance study Yoichi Usui,Takaya Shimono,Toshitsugu Yamazaki Earth, Planets and Space 70 1 2018/12
- Unmixing biogenic and terrigenous magnetic mineral components in red clay of the Pacific Ocean using principal component analyses of first-order reversal curve diagrams and paleoenvironmental implications Toshitsugu Yamazaki,Wei Fu,Takaya Shimono,Yoichi Usui EARTH PLANETS AND SPACE 72 1 2020/08
- Influence of Magnetofossils on Paleointensity Estimations Inferred From Principal Component Analyses of First-Order Reversal Curve Diagrams for Sediments From the Western Equatorial Pacific Inoue, K.,Yamazaki, T.,Usui, Y. Geochemistry, Geophysics, Geosystems 22 10 2021/10/08
- Fish proliferation and rare-earth deposition by topographically induced upwelling at the late Eocene cooling event Junichiro Ohta,Kazutaka Yasukawa,Tatsuo Nozaki,Yutaro Takaya,Kazuhide Mimura,Koichiro Fujinaga,Kentaro Nakamura,Yoichi Usui,Jun Ichi Kimura,Qing Chang,Yasuhiro Kato Scientific Reports 10 1 2020/12/01
- Author Correction: Fish proliferation and rare-earth deposition by topographically induced upwelling at the late Eocene cooling event (Scientific Reports, (2020), 10, 1, (9896), 10.1038/s41598-020-66835-8) Junichiro Ohta,Kazutaka Yasukawa,Tatsuo Nozaki,Yutaro Takaya,Kazuhide Mimura,Koichiro Fujinaga,Kentaro Nakamura,Yoichi Usui,Jun Ichi Kimura,Qing Chang,Yasuhiro Kato Scientific Reports 10 1 2020/12/01
- Stratigraphy around the Cretaceous-Paleogene boundary in sediment cores from the Lord Howe Rise, Southwest Pacific Junichiro Kuroda,Kyoko Hagino,Yoichi Usui,Paul R. Bown,Kan-Hsi Hsiung,Saburo Sakai,Ron Hackney,Saneatsu Saito,Masafumi Murayama,Takuto Ando,Naohiko Ohkouchi GSA Bulletin 134 5-6 1603 2021/09/21 ?
Conference Presentations
Others
Arts and Fieldwork
Patent
Theme to the desired joint research
Grant-in-Aid for Scientific Research
○「細菌由来磁鉄鉱の定向配列の検出：細菌活動および古地球磁場研究の新展開」(2022-2023)
Competitive research funding,Contribution
Collaborative research,Consignment study
Classes (Bachelors)
○Advanced Mineralogy and Crystallography B(2022)
○Applied Geomaterial Experiments B(2022)
○Geological Filed Trip 2(2022)
○Crystallography B(2022)
○Applied Geomaterial Experiments A(2022)
○Mineralogical and Crystallographical Exercises B(2022)
○Introduction to the Earth and Planetary Materials Science B(2022)
○Mineralogical and Crystallographical Exercises A(2022)
○Advanced Mineralogy and Crystallography A(2022)
○Geological Filed Trip 2(2022)
○Introduction to the Earth and Planetary Materials Science A(2022)
○Crystallography A(2022)
○Earth Sciences 2(2022)
○Earth Sciences 2(2022)
○Earth Sciences 2A(2022)
Classes (Graduate Schools)
○Plate motions A(2023)
○Plate motions B(2023)
○Fundamentals of Earth and Environmental Sciences B(2022)
○Fundamentals of Earth and Planetary Science B(2022)
○Fundamentals of Earth and Environmental Sciences A(2022)
○Fundamentals of Earth and Planetary Science A(2022)