Updated on 2025/12/25

写真a

 
Kameda Jun
 
Organization
Scheduled update Professor
Position
Professor
External link

Degree

  • 博士(理学) ( 2004.6   東京大学 )

Research Interests

  • 付加体

  • 粘土鉱物

  • 続成作用

Research Areas

  • Natural Science / Solid earth sciences

Education

  • The University of Tokyo   大学院理学系研究科  

    2000.4 - 2004.6

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  • The University of Tokyo   大学院理学系研究科  

    1998.4 - 2000.3

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  • The University of Tokyo    

    1994.4 - 1998.3

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Research History

  • Okayama University   The Institute for Planetary Materials   Professor

    2024.1

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  • Hokkaido University   Faculty of Science   Associate Professor

    2015.4 - 2023.12

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  • Hokkaido University   Faculty of Science   Lecturer

    2013.10 - 2015.3

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  • The University of Tokyo   Graduate School of Science

    2009.4 - 2013.9

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Professional Memberships

Committee Memberships

  •   北海道防災会議地震火山対策部会地震専門委員  

    2022.9 - 2024.3   

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  •   幌延深地層研究確認会議 専門委員  

    2022.4 - 2024.3   

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  • 日本地質学会   理事  

    2018.6 - 2024.5   

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    Committee type:Academic society

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  • 日本地質学会北海道支部   幹事庶務  

    2016.4 - 2020.3   

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    Committee type:Academic society

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Papers

  • Flash vaporization and migration of iodine in the oceanic plate subduction zone

    Noriyuki Suzuki, Jun Kameda, Miki Amo

    CHEMICAL GEOLOGY   695   2025.11

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    DOI: 10.1016/j.chemgeo.2025.123031

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  • Thermogenic methane and hydrogen generation in subducted sediments of the Nankai Trough Reviewed

    Noriyuki Suzuki, Koutaro Koike, Jun Kameda, Gaku Kimura

    Communications Earth & Environment   2024.2

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1038/s43247-024-01252-7

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  • Nanoscale pore structure analysis of the Nobeoka thrust

    Nakamoto Keisuke, Kameda Jun, Hamada Yohei, Hata Ryota, Yamaguchi Asuka

    Annual Meeting of the Geological Society of Japan   2024   406   2024

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    Language:Japanese   Publisher:The Geological Society of Japan  

    DOI: 10.14863/geosocabst.2024.0_406

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  • Lowering of the kinetic barrier of clay-mineral reactions along a seismogenic fault: Example from the Nankai subduction zone, Japan Reviewed

    Hirokazu Masumoto, Jun Kameda, Yohei Hamada, Kohtaro Ujiie, Yujin Kitamura

    Tectonophysics   868   2023.12

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.tecto.2023.230083

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  • Surface Physicochemical Properties of Smectite-Rich Fault Gouge: A Case Study of the Japan Trench Plate-Boundary Fault Reviewed

    Keisuke Nakamoto, Motoki Kamei, Jun Kameda

    Geophysical Research Letters   50 ( 11 )   2023.6

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1029/2023GL104271

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  • Rheological properties of concentrated allophane, halloysite, and kaolinite suspensions Reviewed

    Jun Kameda, Tomonori Morisaki

    APPLIED CLAY SCIENCE   226   2022.9

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    DOI: 10.1016/j.clay.2022.106557

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  • Rheological properties of halloysite soil slurry: a case study of weathered tephra involved in a shallow landslide triggered by the 2018 Eastern Iburi earthquake in Hokkaido, Japan Reviewed

    Jun Kameda

    EARTH PLANETS AND SPACE   74 ( 1 )   2022.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1186/s40623-022-01623-4

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  • Stick-slip behavior of a clayey crustal fault Reviewed

    Jun Kameda, Yohei Hamada

    PHYSICAL REVIEW RESEARCH   4 ( 1 )   2022.3

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    DOI: 10.1103/PhysRevResearch.4.013211

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  • Micro-pore structural analysis of subduction zone faults using nitrogen gas adsorption method

    Nakamoto Keisuke, Kameda Jun, Hamada Yohei, Masumoto Hirokazu

    Annual Meeting of the Geological Society of Japan   2022   290   2022

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    Language:Japanese   Publisher:The Geological Society of Japan  

    DOI: 10.14863/geosocabst.2022.0_290

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  • 3D fault-zone architecture across the brittle-plastic transition along the Median Tectonic Line, SW Japan: Fault-rock characterization Reviewed

    Takuma Katori, Norio Shigematsu, Jun Kameda, Ayumu Miyakawa, Risa Matsumura

    JOURNAL OF STRUCTURAL GEOLOGY   153   2021.12

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    DOI: 10.1016/j.jsg.2021.104446

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  • Generation of oxidising fluids by comminution of fault rocks Reviewed

    Jun Kameda, Atsushi Okamoto

    Geochemical Perspectives Letters   19   32 - 35   2021.10

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    Publishing type:Research paper (scientific journal)   Publisher:European Association of Geochemistry  

    DOI: 10.7185/geochemlet.2131

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  • Mineralogical and physico-chemical properties of halloysite-bearing slip surface material from a landslide during the 2018 Eastern Iburi earthquake, Hokkaido

    Jun Kameda

    Progress in Earth and Planetary Science   8 ( 1 )   2021.6

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1186/s40645-021-00428-5

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  • 1-D inversion analysis of a shallow landslide triggered by the 2018 Eastern Iburi earthquake in Hokkaido, Japan

    Jun Kameda, Atsushi Okamoto

    EARTH PLANETS AND SPACE   73 ( 1 )   2021.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1186/s40623-021-01443-y

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  • Influence of biopolymers on the rheological properties of seafloor sediments and the runout behavior of submarine debris flows. International journal

    Jun Kameda, Hamada Yohei

    Scientific reports   11 ( 1 )   1493 - 1493   2021.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    Submarine debris flows are mass movement processes on the seafloor, and are geohazards for seafloor infrastructure such as pipelines, communication cables, and submarine structures. Understanding the generation and run-out behavior of submarine debris flows is thus critical for assessing the risk of such geohazards. The rheological properties of seafloor sediments are governed by factors including sediment composition, grain size, water content, and physico-chemical conditions. In addition, extracellular polymeric substances (EPS) generated by microorganisms can affect rheological properties in natural systems. Here we show that a small quantity of EPS (~ 0.1 wt%) can potentially increase slope stability and decrease the mobility of submarine debris flows by increasing the internal cohesion of seafloor sediment. Our experiments demonstrated that the flow behavior of sediment suspensions mixed with an analogue material of EPS (xanthan gum) can be described by a Herschel-Bulkley model, with the rheological parameters being modified progressively, but not monotonously, with increasing EPS content. Numerical modeling of debris flows demonstrated that the run-out distance markedly decreases if even 0.1 wt% of EPS is added. The addition of EPS can also enhance the resistivity of sediment to fluidization triggered by cyclic loading, by means of formation of an EPS network that binds sediment particles. These findings suggest that the presence of EPS in natural environments reduces the likelihood of submarine geohazards.

    DOI: 10.1038/s41598-021-81186-8

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  • Generation of sintered fault rock and its implications for earthquake energetics and fault healing Reviewed

    Tetsuro Hirono, Shunya Kaneki, Tsuyoshi Ishikawa, Jun Kameda, Naoya Tonoike, Akihiro Ito, Yuji Miyazaki

    Communications Earth & Environment   1 ( 1 )   2020.12

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    Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    Abstract

    After an earthquake, faults can recover strength through fault healing, but the mechanisms responsible are not well understood. Seismic slip may induce sintering, a bonding process between solid particles in contact under high temperatures without melting, which could produce a fault rock with elevated strength and chemical stability. Here we present results from electron microscope analyses that show a typical sintered structure in a black disk-shaped rock from the Chelungpu fault, Taiwan. This structure is experimentally reproducible in simulated fault material, prepared from the local host-rock, by heating at 800–900 °C. Through thermal and kinetic analyses of experimental materials, we show that sintering is an exothermic process which can generate energy to enhance post-slip thermochemical reactions in the fault. We propose that sintering substantially contributes to earthquake energetics and fault healing and that its occurrence can be a useful indicator of past seismic slip.

    DOI: 10.1038/s43247-020-0004-z

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    Other Link: http://www.nature.com/articles/s43247-020-0004-z

  • The kinetics of radical formation on mechanically activated kaolinite surfaces Reviewed

    Jun Kameda, Yuta Owari

    Colloids and Surfaces A: Physicochemical and Engineering Aspects   606   125421 - 125421   2020.12

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.colsurfa.2020.125421

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  • Cohesional slip on a plate subduction boundary during a large earthquake Reviewed

    Jun Kameda, Yohei Hamada

    Geophysical Research Letters   47 ( 18 )   2020.9

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  • Fault weakening caused by smectite swelling Reviewed

    Kameda Jun, Uno Masaoki, Conin Marianne, Ujiie Kohtaro, Hamada Yohei, Kimura Gaku

    EARTH PLANETS AND SPACE   71   2019.12

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  • Fluidized landslides triggered by the liquefaction of subsurface volcanic deposits during the 2018 Iburi-Tobu earthquake, Hokkaido Reviewed

    Kameda Jun, Kamiya Hiro, Masumoto Hirokazu, Morisaki Tomonori, Hiratsuka Toru, Inaoi Chisaki

    SCIENTIFIC REPORTS   9   2019.9

  • Origin of the early Cenozoic belt boundary thrust and Izanagi–Pacific ridge subduction in the western Pacific margin Reviewed

    Gaku Kimura, Yujin Kitamura, Asuka Yamaguchi, Jun Kameda, Yoshitaka Hashimoto, Mari Hamahashi

    Island Arc   28 ( 5 )   2019.9

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1111/iar.12320

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    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1111/iar.12320

  • Brittle-Plastic Fault Core along the Median Tectonic Line, eastern Kii Peninsula, SW Japan.

    Katori Takuma, Shigematsu Norio, Kameda Jun, Miyakawa Ayumu

    Annual Meeting of the Geological Society of Japan   2019   211   2019

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    Language:Japanese   Publisher:The Geological Society of Japan  

    DOI: 10.14863/geosocabst.2019.0_211

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  • Rheological properties of composite serpentine-brucite suspensions: Implications for mudflow behavior on forearc seamounts Reviewed

    Jun Kameda, Ken-ichi Hirauchi

    Marine Geology   403   191 - 196   2018.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.margeo.2018.06.004

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  • Dehydroxylation kinetics of clay minerals and its application to friction heating along an imbricate thrust in an accretionary prism Reviewed

    Hirokazu Masumoto, Jun Kameda, Hiroshi Arima, Kazumasa Sugiyama, Takaya Nagai, Yuzuru Yamamoto

    GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS   19 ( 9 )   2991 - 3003   2018.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1029/2018GC007472

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  • Thermal conductivity changes in subducting basalt, Nankai subduction zone, SW Japan: An estimation from laboratory measurements under separate high-pressure and high-temperature conditions Reviewed

    Lin, W, Tadai, O, Kinoshita, M, Kameda, J, Tanikawa, W, Hirose, T, Hamada, Y, Matsubayashi, O

    Geology and Tectonics of Subduction Zones: A Tribute to Gaku Kimura: Geological Society of America Special Paper   534   35 - 50   2018.8

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    DOI: 10.1130/2018.2534(02)

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  • Three-dimensional texture of natural pseudotachylyte: Pseudotachylyte formation mechanism in hydrous accretionary complex Reviewed

    Yohei Hamada, Gaku Kimura, Jun Kameda, Asuka Yamaguchi, Mari Hamahashi, Rina Fukuchi, Yujin Kitamura, Shin'ya Okamoto

    ISLAND ARC   27 ( 2 )   2018.3

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    DOI: 10.1111/iar.12241

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  • Initiation of tectonic mélange formation associated with the smectite–illite transition at 2–4 km depth in a subduction zone: Hota accretionary complex, central Japan Reviewed

    Yamamoto Yuzuru, Kameda Jun, Fukuyama Mayuko, Yamaguchi Haruka

    Geological Society of America, Special Papers   534   115 - 127   2018

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    DOI: 10.1130/2018.2534

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  • 3D fault zone architecture along the Median Tectonic Line, eastern Kii Peninsula, SW Japan

    Shigematsu Norio, Katori Takuma, Miyakawa Ayumu, Kameda Jun

    Annual Meeting of the Geological Society of Japan   2018   545   2018

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    Language:Japanese   Publisher:The Geological Society of Japan  

    DOI: 10.14863/geosocabst.2018.0_545

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  • Sensitivity of Clay Suspension Rheological Properties to pH, Temperature, Salinity, and Smectite-Quartz Ratio Reviewed

    Jun Kameda, Tomonori Morisaki

    GEOPHYSICAL RESEARCH LETTERS   44 ( 19 )   9615 - 9621   2017.10

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    DOI: 10.1002/2017GL075334

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  • Acoustic properties of deformed rocks in the Nobeoka thrust, in the Shimanto Belt, Kyushu, Southwest Japan Reviewed

    Yoshitaka Hashimoto, Shogo Abe, Hiroki Tano, Mari Hamahashi, Saneatsu Saito, Gaku Kimura, Asuka Yamaguchi, Rina Fukuchi, Jun Kameda, Yohei Hamada, Yujin Kitamura, Koichiro Fujimoto, Shoko Hina, Mio Eida

    ISLAND ARC   26 ( 4 )   e12198   2017.7

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    DOI: 10.1111/iar.12198

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  • Temporal stress variations along a seismogenic megasplay fault in the subduction zone: An example from the Nobeoka Thrust, southwestern Japan Reviewed

    Ryoji Kawasaki, Mari Hamahashi, Yoshitaka Hashimoto, Makoto Otsubo, Asuka Yamaguchi, Yujin Kitamura, Jun Kameda, Yohei Hamada, Rina Fukuchi, Gaku Kimura

    ISLAND ARC   26 ( 3 )   e12193   2017.5

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    DOI: 10.1111/iar.12193

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  • Alteration and dehydration of subducting oceanic crust within subduction zones: implications for decollement step-down and plate-boundary seismogenesis Reviewed

    Jun Kameda, Sayako Inoue, Wataru Tanikawa, Asuka Yamaguchi, Yohei Hamada, Yoshitaka Hashimoto, Gaku Kimura

    EARTH PLANETS AND SPACE   69   2017.4

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    DOI: 10.1186/s40623-017-0635-1

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  • Opal-CT in chert beneath the toe of the Tohoku margin and its influence on the seismic aseismic transition in subduction zones Reviewed

    Jun Kameda, Atsushi Okamoto, Kiminori Sato, Koichiro Fujimoto, Asuka Yamaguchi, Gaku Kimura

    GEOPHYSICAL RESEARCH LETTERS   44 ( 2 )   687 - 693   2017.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/2016GL071784

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  • Evolution of the Median Tectonic Line fault zone, SW Japan, during exhumation Reviewed

    Shigematsu, N., Kametaka, M., Inada, N., Miyawaki, M., Miyakawa, A., Kameda, J., Togo, T., Fujimoto, K.

    Tectonophysics   696   52 - 69   2017

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    DOI: 10.1016/j.tecto.2016.12.017

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  • Source and sink of fluid in pelagic siliceous sediments along a cold subduction plate boundary Reviewed

    Asuka Yamaguchi, Shoko Hina, Yohei Hamada, Jun Kameda, Mari Hamahashi, Tatsu Kuwatani, Mayuko Shimizu, Gaku Kimura

    TECTONOPHYSICS   686   146 - 157   2016.8

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    DOI: 10.1016/j.tecto.2016.07.030

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  • Exchangeable cation composition of the smectite-rich plate boundary fault at the Japan Trench Reviewed

    Jun Kameda, Chisaki Inaoi, Marianne Conin

    GEOPHYSICAL RESEARCH LETTERS   43 ( 7 )   3112 - 3119   2016.4

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    DOI: 10.1002/2016GL068283

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  • Hydrogeological responses to incoming materials at the erosional subduction margin, offshore Osa Peninsula, Costa Rica Reviewed

    Jun Kameda, Robert N. Harris, Mayuko Shimizu, Kohtaro Ujiie, Akito Tsutsumi, Minoru Ikehara, Masaoki Uno, Asuka Yamaguchi, Yohei Hamada, Yuka Namiki, Gaku Kimura

    GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS   16 ( 8 )   2725 - 2742   2015.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/2015GC005837

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  • Deformation structures in the frontal prism near the Japan Trench: Insights from sandbox models Reviewed

    Santanu Bose, Puspendu Saha, James J. Mori, Christie Rowe, Kohtaro Ujiie, Frederick M. Chester, Marianne Conin, Christine Regalla, Jun Kameda, Virginia Toy, James Kirkpatrick, Francesca Remitti, J. Casey Moore, Monica Wolfson-Schwehr, Yasuyuki Nakamura, Anchit Gupta

    JOURNAL OF GEODYNAMICS   89   29 - 38   2015.9

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    DOI: 10.1016/j.jog.2015.06.002

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  • Estimation of slip rate and fault displacement during shallow earthquake rupture in the Nankai subduction zone Reviewed

    Yohei Hamada, Arito Sakaguchi, Wataru Tanikawa, Asuka Yamaguchi, Jun Kameda, Gaku Kimura

    EARTH PLANETS AND SPACE   67   2015.3

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    DOI: 10.1186/s40623-015-0208-0

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  • Pelagic smectite as an important factor in tsunamigenic slip along the Japan Trench Reviewed

    Jun Kameda, Mayuko Shimizu, Kohtaro Ujiie, Takehiro Hirose, Matt Ikari, James Mori, Kiyokazu Oohashi, Gaku Kimura

    GEOLOGY   43 ( 2 )   155 - 158   2015.2

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    DOI: 10.1130/G35948.1

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  • Strength characteristics of Japan Trench borehole samples in the high-slip region of the 2011 Tohoku-Oki earthquake Reviewed

    Matt J. Ikari, Jun Kameda, Demian M. Saffer, Achim J. Kopf

    EARTH AND PLANETARY SCIENCE LETTERS   412   35 - 41   2015.2

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    DOI: 10.1016/j.epsl.2014.12.014

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  • Multiple damage zone structure of an exhumed seismogenic megasplay fault in a subduction zone - a study from the Nobeoka Thrust Drilling Project Reviewed

    Mari Hamahashi, Yohei Hamada, Asuka Yamaguchi, Gaku Kimura, Rina Fukuchi, Saneatsu Saito, Jun Kameda, Yujin Kitamura, Koichiro Fujimoto, Yoshitaka Hashimoto

    EARTH PLANETS AND SPACE   67   2015.2

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    DOI: 10.1186/s40623-015-0186-2

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  • Structure and lithology of the Japan Trench subduction plate boundary fault Reviewed

    James D. Kirkpatrick, Christie D. Rowe, Kohtaro Ujiie, J. Casey Moore, Christine Regalla, Francesca Remitti, Virginia Toy, Monica Wolfson-Schwehr, Jun Kameda, Santanu Bose, Frederick M. Chester

    TECTONICS   34 ( 1 )   53 - 69   2015.1

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    DOI: 10.1002/2014TC003695

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  • Friction properties of the plate boundary megathrust beneath the frontal wedge near the Japan Trench: an inference from topographic variation Reviewed

    Hiroaki Koge, Toshiya Fujiwara, Shuichi Kodaira, Tomoyuki Sasaki, Jun Kameda, Yujin Kitamura, Mari Hamahashi, Rina Fukuchi, Asuka Yamaguchi, Yohei Hamada, Juichiro Ashi, Gaku Kimura

    EARTH PLANETS AND SPACE   66   2014.11

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    DOI: 10.1186/s40623-014-0153-3

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  • Changes in illite crystallinity within an ancient tectonic boundary thrust caused by thermal, mechanical, and hydrothermal effects: an example from the Nobeoka Thrust, southwest Japan Reviewed

    Rina Fukuchi, Koichiro Fujimoto, Jun Kameda, Mari Hamahashi, Asuka Yamaguchi, Gaku Kimura, Yohei Hamada, Yoshitaka Hashimoto, Yujin Kitamura, Saneatsu Saito

    EARTH PLANETS AND SPACE   66   2014.9

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    DOI: 10.1186/1880-5981-66-116

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  • Frictional properties of sediments entering the Costa Rica subduction zone offshore the Osa Peninsula: implications for fault slip in shallow subduction zones Reviewed

    Yuka Namiki, Akito Tsutsumi, Kohtaro Ujiie, Jun Kameda

    EARTH PLANETS AND SPACE   66   2014.7

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1186/1880-5981-66-72

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  • Frictional properties of incoming pelagic sediments at the Japan Trench: implications for large slip at a shallow plate boundary during the 2011 Tohoku earthquake Reviewed

    Michiyo Sawai, Takehiro Hirose, Jun Kameda

    EARTH PLANETS AND SPACE   66   2014.7

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1186/1880-5981-66-65

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  • Re-evaluation of frictional heat recorded in the dark gouge of the shallow part of a megasplay fault at the Nankai Trough Reviewed

    Tetsuro Hirono, Tsuyoshi Ishikawa, Hirokazu Masumoto, Jun Kameda, Hikaru Yabuta, Hideki Mukoyoshi

    TECTONOPHYSICS   626   157 - 169   2014.6

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    DOI: 10.1016/j.tecto.2014.04.020

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  • Mineral assemblage anomalies in the slip zone of the 1999 Taiwan Chi-Chi earthquake: Ultrafine particles preserved only in the latest slip zone Reviewed

    Tetsuro Hirono, Jun Kameda, Hiroki Kanda, Wataru Tanikawa, Tsuyoshi Ishikawa

    GEOPHYSICAL RESEARCH LETTERS   41 ( 9 )   3052 - 3059   2014.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/2014GL059805

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  • Geochemical and mineralogical characteristics of fault gouge in the Median Tectonic Line, Japan: evidence for earthquake slip Reviewed

    Tsuyoshi Ishikawa, Tetsuro Hirono, Noriko Matsuta, Kazuro Kawamoto, Koichiro Fujimoto, Jun Kameda, Yoshiro Nishio, Yuka Maekawa, Go Honda

    EARTH PLANETS AND SPACE   66   2014.5

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    DOI: 10.1186/1880-5981-66-36

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  • Quartz deposition and its influence on the deformation process of megathrusts in subduction zones Reviewed

    Jun Kameda, Kuniyo Kawabata, Yohei Hamada, Asuka Yamaguchi, Gaku Kimura

    EARTH PLANETS AND SPACE   66   2014.4

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    DOI: 10.1186/1880-5981-66-13

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  • The influence of organic-rich shear zones on pelagic sediment deformation and seismogenesis in a subduction zone Reviewed

    Jun Kameda, Yui Kouketsu, Mayuko Shimizu, Asuka Yamaguchi, Yohei Hamada, Mari Hamahashi, Hiroaki Koge, Rina Fukuchi, Masayuki Ikeda, Toshihiro Kogure, Gaku Kimura

    JOURNAL OF MINERALOGICAL AND PETROLOGICAL SCIENCES   109 ( 5 )   228 - 238   2014

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2465/jmps.140403

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  • Structure and Composition of the Plate-Boundary Slip Zone for the 2011 Tohoku-Oki Earthquake Reviewed

    Frederick M. Chester, Christie Rowe, Kohtaro Ujiie, James Kirkpatrick, Christine Regalla, Francesca Remitti, J. Casey Moore, Virginia Toy, Monica Wolfson-Schwehr, Santanu Bose, Jun Kameda, James J. Mori, Emily E. Brodsky, Nobuhisa Eguchi, Sean Toczko

    SCIENCE   342 ( 6163 )   1208 - 1211   2013.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1126/science.1243719

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  • Contrasts in physical properties between the hanging wall and footwall of an exhumed seismogenic megasplay fault in a subduction zone-An example from the Nobeoka Thrust Drilling Project Reviewed

    Mari Hamahashi, Saneatsu Saito, Gaku Kimura, Asuka Yamaguchi, Rina Fukuchi, Jun Kameda, Yohei Hamada, Yujin Kitamura, Koichiro Fujimoto, Yoshitaka Hashimoto, Shoko Hina, Mio Eida

    Geochemistry, Geophysics, Geosystems   14 ( 12 )   5354 - 5370   2013.12

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  • Low Coseismic Shear Stress on the Tohoku-Oki Megathrust Determined from Laboratory Experiments Reviewed

    Kohtaro Ujiie, Hanae Tanaka, Tsubasa Saito, Akito Tsutsumi, James J. Mori, Jun Kameda, Emily E. Brodsky, Frederick M. Chester, Nobuhisa Eguchi, Sean Toczko

    SCIENCE   342 ( 6163 )   1211 - 1214   2013.12

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  • Progress of illitization along an imbricate frontal thrust at shallow depths in an accretionary prism Reviewed

    Jun Kameda, Yuzuru Yamamoto, Yohei Hamada, Koichiro Fujimoto, Gaku Kimura

    TECTONOPHYSICS   600   41 - 51   2013.7

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  • Hanging wall deformation of a seismogenic megasplay fault in an accretionary prism: The Nobeoka Thrust in southwestern Japan Reviewed

    Gaku Kimura, Mari Hamahashi, Shin'ya Okamoto, Asuka Yamaguchi, Jun Kameda, Hugues Raimbourg, Yohei Hamada, Haruka Yamaguchi, Tadahiro Shibata

    JOURNAL OF STRUCTURAL GEOLOGY   52   136 - 147   2013.7

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  • Importance of mechanochemical effects on fault slip behavior during earthquakes Reviewed

    Tetsuro Hirono, Wataru Tanikawa, Go Honda, Jun Kameda, Jun-ichi Fukuda, Tsuyoshi Ishikawa

    GEOPHYSICAL RESEARCH LETTERS   40 ( 12 )   2988 - 2992   2013.6

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    DOI: 10.1002/grl.50609

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  • Geological and frictional aspects of very-low-frequency earthquakes in an accretionary prism Reviewed

    Tsubasa Saito, Kohtaro Ujiie, Akito Tsutsumi, Jun Kameda, Bunichiro Shibazaki

    Geophysical Research Letters   40 ( 4 )   703 - 708   2013.2

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    DOI: 10.1002/grl.50175

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  • Stress state in the largest displacement area of the 2011 Tohoku-Oki earthquake Reviewed

    Weiren Lin, Marianne Conin, J. Casey Moore, Frederick M. Chester, Yasuyuki Nakamura, James J. Mori, Louise Anderson, Emily E. Brodsky, Nobuhisa Eguchi, Becky Cook, Tamara Jeppson, Monica Wolfson-Schwehr, Yoshinori Sanada, Saneatsu Saito, Yukari Kido, Takehiro Hirose, Jan H. Behrmann, Matt Ikari, Kohtaro Ujiie, Christie Rowe, James Kirkpatrick, Santanu Bose, Christine Regalla, Francesca Remitti, Virginia Toy, Patrick Fulton, Toshiaki Mishima, Tao Yang, Tianhaozhe Sun, Tsuyoshi Ishikawa, James Sample, Ken Takai, Jun Kameda, Sean Toczko, Lena Maeda, Shuichi Kodaira, Ryota Hino, Demian Saffer

    Science   339 ( 6120 )   687 - 690   2013.2

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  • 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 Reviewed

    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 - 30   2013

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    DOI: 10.2204/iodp.sd.15.03.2013

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  • Tectonic melange as fault rock of subduction plate boundary Reviewed

    Gaku Kimura, Asuka Yamaguchi, Megumi Hojo, Yujin Kitamura, Jun Kameda, Kohtaro Ujiie, Yohei Hamada, Mari Hamahashi, Shoko Hina

    TECTONOPHYSICS   568   25 - 38   2012.9

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    DOI: 10.1016/j.tecto.2011.08.025

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  • Runaway slip to the trench due to rupture of highly pressurized megathrust beneath the middle trench slope: The tsunamigenesis of the 2011 Tohoku earthquake off the east coast of northern Japan Reviewed

    Gaku Kimura, Shoko Hina, Yohei Hamada, Jun Kameda, Takeshi Tsuji, Masataka Kinoshita, Asuka Yamaguchi

    EARTH AND PLANETARY SCIENCE LETTERS   339   32 - 45   2012.7

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  • Silica diagenesis and its effect on interplate seismicity in cold subduction zones Reviewed

    Jun Kameda, Shoko Hina, Kyoko Kobayashi, Asuka Yamaguchi, Yohei Hamada, Yuzuru Yamamoto, Mari Hamahashi, Gaku Kimura

    EARTH AND PLANETARY SCIENCE LETTERS   317   136 - 144   2012.2

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  • A new source of water in seismogenic subduction zones Reviewed

    Jun Kameda, Asuka Yamaguchi, Saneatsu Saito, Hiroshi Sakuma, Katsuyuki Kawamura, Gaku Kimura

    GEOPHYSICAL RESEARCH LETTERS   38   2011.11

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    DOI: 10.1029/2011GL048883

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  • Progressive illitization in fault gouge caused by seismic slip propagation along a megasplay fault in the Nankai Trough Reviewed

    Asuka Yamaguchi, Arito Sakaguchi, Tatsuhiko Sakamoto, Koichi Iijima, Jun Kameda, Gaku Kimura, Kohtaro Ujiie, Frederick M. Chester, Olivier Fabbri, David Goldsby, Akito Tsutsumi, Chun-Feng Li, Daniel Curewitz

    GEOLOGY   39 ( 11 )   995 - 998   2011.11

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    DOI: 10.1130/G32038.1

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  • Smectite to chlorite conversion by frictional heating along a subduction thrust Reviewed

    Jun Kameda, Kohtaro Ujiie, Asuka Yamaguchi, Gaku Kimura

    EARTH AND PLANETARY SCIENCE LETTERS   305 ( 1-2 )   161 - 170   2011.5

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  • Low-grade metamorphism around the down-dip limit of seismogenic subduction zones: Example from an ancient accretionary complex in the Shimanto Belt, Japan Reviewed

    Jun Kameda, Hugues Raimbourg, Toshihiro Kogure, Gaku Kimura

    TECTONOPHYSICS   502 ( 3-4 )   383 - 392   2011.4

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  • MINERALOGICAL CHARACTERIZATION OF ASIAN DUST COLLECTED IN FUKUOKA, SOUTHWEST JAPAN

    WATANABE KATSUAKI, SEKIYA MARIKO, KAMEDA JUN, WADA SHIN-ICHIRO, KOGURE TOSHIHIRO

    Clay Sci.   15 ( 1 )   43 - 51   2011

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    Mineralogy of Asian dust collected in Fukuoka, Southwest Japan, was investigated using X-ray diffraction (XRD) and scanning/transmission electron microscopy (SEM/TEM) in detail. The dust consisted of only silicates; quartz, albite, orthoclase, amphibole and phyllosilicates (muscovite/illite, biotite, chlorite, kaolin group minerals and smectite). This mineral composition for silicates is very close to that of a certified reference specimen for Asian dust (CJ-1) which was collected from the loess plateau in China. However, carbonate minerals abundant in CJ-1 are missing in Fukuoka dust. Probably the carbonate and other water-soluble minerals were dissolved by rain or during sample collection using water. Observation and X-ray chemical analysis in SEM revealed their morphologies and chemical compositions. Amphibole, biotite and chlorite are major Fe-bearing minerals in the dust. Among them, fine chlorite particles may be a good Fe-supplier for microorganism living in the shallow area of the ocean.

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  • Reproduction of thermal pressurization and fluidization of clay-rich fault gouges by high-velocity friction experiments and implications for seismic slip in natural faults Reviewed

    Kohtaro Ujiie, Akito Tsutsumi, Jun Kameda

    Geological Society Special Publication   359 ( 1 )   267 - 285   2011

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    DOI: 10.1144/SP359.15

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  • Smectite swelling in the Miura-Boso accretionary prism: Possible cause for incipient decollement zone formation Reviewed

    Jun Kameda, Yuzuru Yamamoto, Gaku Kimura

    TECTONOPHYSICS   494 ( 1-2 )   75 - 84   2010.10

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    DOI: 10.1016/j.tecto.2010.08.008

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  • Characterization of the multilayered shell of a limpet, Lottia kogamogai (Mollusca: Patellogastropoda), using SEM-EBSD and FIB-TEM techniques Reviewed

    Michio Suzuki, Jun Kameda, Takenori Sasaki, Kazuko Saruwatari, Hiromichi Nagasawa, Toshihiro Kogure

    JOURNAL OF STRUCTURAL BIOLOGY   171 ( 2 )   223 - 230   2010.8

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    DOI: 10.1016/j.jsb.2010.04.008

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  • Microtexture of larval shell of oyster, Crassostrea nippona: A FIB-TEM study Reviewed

    Miki Kudo, Jun Kameda, Kazuko Saruwatari, Noriaki Ozaki, Keiju Okano, Hiromichi Nagasawa, Toshihiro Kogure

    JOURNAL OF STRUCTURAL BIOLOGY   169 ( 1 )   1 - 5   2010.1

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    DOI: 10.1016/j.jsb.2009.07.014

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  • THE OCCURRENCE AND STRUCTURE OF VERMIFORM CHLORITE

    KAMEDA JUN, OKAMOTO ATSUSHI, MIKOUCHI TAKASHI, KITAGAWA RYUJI, KOGURE TOSHIHIRO

    Clay Sci.   14 ( 4 )   155 - 161   2010

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    To understand the origin of its unique morphology, the structure of vermiform chlorite has been investigated. Two chlorite specimens (magnesian chamosite) were analyzed: vermicular aggregates in quartz-feldspar veins in a pelitic schist, and those grown on a quartz single-crystal surface. Both specimens show very similar textures; they are composed of pseudohexagonal chlorite plates of several tens μm in lateral size and several hundreds nm in packet thickness, stacked to form long vermicular aggregates up to several hundreds μm. Chemical analyses indicated that the two specimens have similar compositions with ^<IV>Al 1.2〜1.3 per 4.0 sites and Fe/(Mg+Fe) ratio of 〜0.55. XRD and EBSD indicate IIbb semi-random stacking. HRTEM shows that the stacking is considerably disordered in terms both of the layer orientation and direction of the interlayer displacement. The vermicular morphology of chlorite is probably originated from a relatively faster spiral growth along the stacking in hydrothermal fluid.

    DOI: 10.11362/jcssjclayscience.14.4_155

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  • Some Reference Data for the JCSS Clay Specimens

    MIYAWAKI Ritsuro, SANO Takashi, OHASHI Fumihiko, SUZUKI Masaya, KOGURE Toshihiro, OKUMURA Taiga, KAMEDA Jun, UMEZOME Takuya, SATO Tsutomu, CHINO Daisuke, HIROYAMA Kaori, YAMADA Hirohisa, TAMURA Kenji, MORIMOTO Kazuya, UEHARA Seiichiro, HATTA Tamao

    Journal of the Clay Science Society of Japan (in Japanese)   48 ( 4 )   158 - 198   2010

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    DOI: 10.11362/jcssjnendokagaku.48.4_158

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  • Modification to the crystal structure of chlorite during early stages of its dissolution Reviewed

    Jun Kameda, Hirokazu Sugimori, Takashi Murakami

    PHYSICS AND CHEMISTRY OF MINERALS   36 ( 9 )   537 - 544   2009.10

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    DOI: 10.1007/s00269-009-0299-x

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  • STACKING FAULTS WITH 180 degrees LAYER ROTATION IN CELADONITE, AN Fe- AND Mg-RICH DIOCTAHEDRAL MICA Reviewed

    Toshihiro Kogure, Jun Kameda, Victor A. Drits

    CLAYS AND CLAY MINERALS   56 ( 6 )   612 - 621   2008.12

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    DOI: 10.1346/CCMN.2008.0560602

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  • Chiral bead-like trimer of tris(2,4-pentanedionato)ruthenium(III) Reviewed

    Hisako Sato, Jun Kameda, Yutaka Fukuda, Masa-aki Haga, Akihiko Yamagishi

    CHEMISTRY LETTERS   37 ( 7 )   716 - 717   2008.7

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    DOI: 10.1246/cl.2008.716

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  • Textures and polytypes in vermiform kaolins diagenetically formed in a sandstone reservoir: a FIB-TEM investigation Reviewed

    Jun Kameda, Kazuko Saruwatari, Daniel Beaufort, Toshihiro Kogure

    EUROPEAN JOURNAL OF MINERALOGY   20 ( 2 )   199 - 204   2008.3

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    DOI: 10.1127/0935-1221/2008/0020-1806

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  • High-resolution TEM and XRD simulation of stacking disorder in 2 : 1 phyllosilicates Reviewed

    Toshihiro Kogure, Jun Kameda

    ZEITSCHRIFT FUR KRISTALLOGRAPHIE   223 ( 1-2 )   69 - 75   2008

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    DOI: 10.1524/zkri.2008.0004

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  • Morphological analyses of minute crystals by using stereo-photogrammetric scanning electron microscopy and electron back-scattered diffraction Reviewed

    Jun Kameda, Ryoichi Inoguchi, David J. Prior, Toshihiro Kogure

    JOURNAL OF MICROSCOPY-OXFORD   228 ( 3 )   358 - 365   2007.12

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    DOI: 10.1111/j.1365-2818.2007.01854.x

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  • XRD and HRTEM analyses of stacking structures in sudoite, di-trioctahedral chlorite Reviewed

    Jun Kameda, Ritsuro Miyawaki, Ryuji Kitagawa, Toshihiro Kogure

    AMERICAN MINERALOGIST   92 ( 10 )   1586 - 1592   2007.10

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    DOI: 10.2138/am.2007.2410

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  • Polytype and morphological analyses of gumbelite, a fibrous Mg-rich illite Reviewed

    Jun Kameda, Ritsuro Miyawaki, Victor A. Drits, Toshihiro Kogure

    CLAYS AND CLAY MINERALS   55 ( 5 )   453 - 466   2007.10

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    DOI: 10.1346/CCMN.2007.0550501

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  • Persistent phenomena in photocurrent of niobate nanosheets Reviewed

    Kentaro Okamoto, Hisako Sato, Kazuko Saruwatari, Kenji Tamura, Jun Kameda, Toshihiro Kogure, Yasushi Umemura, Akihiko Yamagishi

    JOURNAL OF PHYSICAL CHEMISTRY C   111 ( 34 )   12827 - 12833   2007.8

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    DOI: 10.1021/jp073380k

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  • Novel 2 : 1 structure of phyllosilicates formed by annealing Fe3+, Mg-rich dioctahedral mica Reviewed

    Toshihiro Kogure, Jun Kameda, Victor A. Drits

    AMERICAN MINERALOGIST   92 ( 8-9 )   1531 - 1534   2007.8

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    DOI: 10.2138/am.2007.2667

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  • Electron transfer through clay monolayer films fabricated by the Langmuir- Blodgett technique Reviewed

    Jun Yoshida, Kazuko Saruwatari, Jun Kameda, Hisako Sato, Akihiko Yamagishi, Laisheng Sun, Maria Corriea, Gilles Villemure

    LANGMUIR   22 ( 23 )   9591 - 9597   2006.11

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    DOI: 10.1021/la061668f

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  • Dissolution of brucite on the (001) surface at neutral pH: In situ atomic force microscopy observations Reviewed

    Yuriko Kudoh, Jun Kameda, Toshihiro Kogure

    CLAYS AND CLAY MINERALS   54 ( 5 )   598 - 604   2006.10

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    DOI: 10.1346/CCMN.2006.0540506

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  • Stacking structure in disordered talc: Interpretation of its X-ray diffraction pattern by using pattern simulation and high-resolution transmission electron microscopy Reviewed

    Toshihiro Kogure, Jun Kameda, Tomoyuki Matsui, Ritsuro Miyawakiz

    AMERICAN MINERALOGIST   91 ( 8-9 )   1363 - 1370   2006.8

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    DOI: 10.2138/am.2006.2196

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  • Stacking structures in pyrophyllite revealed by high-resolution transmission electron microscopy (HRTEM) Reviewed

    Toshihiro Kogure, Mayumi Jige, Jun Kameda, Akihiko Yamagishi, Ritsuro Miyawaki, Ryuji Kitagawa

    AMERICAN MINERALOGIST   91 ( 8-9 )   1293 - 1299   2006.8

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    DOI: 10.2138/am.2006.1997

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  • Surface roughness of alumina fragments caused by hypervelocity impact Reviewed

    T Kadono, J Kameda, K Saruwatari, H Tanaka, S Yamamoto, A Fujiwara

    PLANETARY AND SPACE SCIENCE   54 ( 2 )   212 - 215   2006.2

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    DOI: 10.1016/j.pss.2005.09.002

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  • Morphological characteristics of ordered kaolinite: Investigation using electron back-scattered diffraction Reviewed

    J Kameda, A Yamagishi, T Kogure

    AMERICAN MINERALOGIST   90 ( 8-9 )   1462 - 1465   2005.8

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    DOI: 10.2138/am.2005.1928

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  • Photoconductive properties of organic-inorganic hybrid films of layered perovskite-type niobate Reviewed

    K Saruwatari, H Sato, T Idei, J Kameda, A Yamagishi, A Takagaki, K Domen

    JOURNAL OF PHYSICAL CHEMISTRY B   109 ( 25 )   12410 - 12416   2005.6

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    DOI: 10.1021/jp0505476

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  • Evidence for the role of organic layers in photoconductivity of organic/inorganic hybrid nanosheets as prepared by Langmuir-Blodgett methods Reviewed

    K Saruwatari, H Sato, J Kameda, A Yamagishi, K Domen

    CHEMICAL COMMUNICATIONS   ( 15 )   1999 - 2001   2005.4

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    DOI: 10.1039/b419064e

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  • H-2 generation during dry grinding of kaolinite Reviewed

    J Kameda, K Saruwatari, H Tanaka

    JOURNAL OF COLLOID AND INTERFACE SCIENCE   275 ( 1 )   225 - 228   2004.7

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    DOI: 10.1016/j.jcis.2004.02.014

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  • Generation of hydrogen ions and hydrogen gas in quartz-water crushing experiments: an example of chemical processes in active faults Reviewed

    K Saruwatari, J Kameda, H Tanaka

    PHYSICS AND CHEMISTRY OF MINERALS   31 ( 3 )   176 - 182   2004.4

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    DOI: 10.1007/s00269-004-0382-2

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  • Mechanisms of hydrogen generation during the mechanochemical treatment of biotite within D2O media Reviewed

    J Kameda, K Saruwatari, H Tanaka, F Tsunomori

    EARTH PLANETS AND SPACE   56 ( 12 )   1241 - 1245   2004

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    DOI: 10.1186/BF03353346

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  • Hydrogen generation by wet grinding of quartz powders and its dependence on the pH and ionic strength of liquid media Reviewed

    J Kameda, K Saruwatari, H Tanaka

    BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   76 ( 11 )   2153 - 2154   2003.11

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    DOI: 10.1246/bcsj.76.2153

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  • H-2 generation in wet grinding of granite and single-crystal powders and implications for H-2 concentration on active faults Reviewed

    J Kameda, K Saruwatari, H Tanaka

    GEOPHYSICAL RESEARCH LETTERS   30 ( 20 )   2003.10

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    DOI: 10.1029/2003GL018252

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  • Growth of plastic shear zone and its duration inferred from theoretical consideration and observation of an ancient shear zone in the granitic crust Reviewed

    H Tanaka, B Shibazaki, N Shigematsu, K Fujimoto, T Ohtani, Y Miyashita, T Tomita, K Omura, Y Kobayashi, J Kameda

    EARTH PLANETS AND SPACE   54 ( 11 )   1207 - 1210   2002

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  • Geology of Northern Sakhalin, Russia and its Relation to the Relative Convergence between the Eurasia and North America Plates

    KAMEDA Jun, KIMURA Gaku, MELINIKOV O.A, HAYASAKA Yasutaka, HASHIMOTO Yoshitaka, SAKASHIMA Takashi, ARAI Takashi, YOSHINO Takashi, SUZUKI Noritoshi

    Journal of Geography(Chigaku Zasshi)   109 ( 2 )   235 - 248   2000.4

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    The region from Sakhalin in Russia to the eastern margin of the Japan Sea has been regarded as a convergent plate boundary zone between the Eurasia and the North America Plates because large earthquakes and active crustal movements are prominent in this zone. These activities along the eastern margin of the Japan Sea to southern Sakhalin are almost consistent with the expected relative plate motion deduced from the Euler pole which is estimated from the magnetic anomaly lineations in the Atlantic Ocean, but the modern tectonic aspect in northern Sakhalin is inconsistent; <I>e.g.</I>, 1995 Neftegorsk Earthquake is one of the typical events.<BR>As a result of a structural and tectonic study in northern Sakhalin, the NE-SW compressive tectonic feature since the Late Miocene was clarified. In the northernmost area of the Schmidt Peninsula, the early Cretaceous ophiolite thrusts upon the Late Cretaceous sedimentary rocks. The ophiolite has an overturned sequence: serpentinites, gabbros, basaltic rocks, and hemipelagic sediments in descending order. The Cretaceous sediments form a map-scale and NW vergent synclinorium. All the deformation structures in outcrop scale, such as micro-folds, minor reverse and normal faults, axial plane cleavages and bedding slips, are consistent with a large scale folding. These structural relationships suggest only one event of deformation, which appears to be linked to overthrusting of the ophiolitic rocks.<BR>A structural investigation of the southeastern part of the Schmidt Peninsula revealed that the Middle Miocene sediments composed of siltstone and sandstone are folded with wavelength of several tens to several hundred meters. Their fold axes trend in the NW direction, which indicates that deformation under the NE compression is the same as the deformation in the northernmost area. The thickness of sedimentary layers are constant everywhere in folding. This fact indicates that the timing of the deformation is after sedimentation, that is, after the Middle Miocene. This deformation event is consistent with modern activity in northern Sakhalin. Therefore, the modern tectonic framework might have started in the Late Miocene time.<BR>A plate tectonic model indicates that the modern relative motion between the Eurasia and the North America Plate started at about 11 m. y. ago. The Late Miocene onset of the modern tectonic framework in northern Sakhalin occurred at almost the same time. The most reliable model to explain the discrepancy of sense of movement from the Eurasia-North America retative motion, may be the “extrusion” of the Okhotsk Block toward the Pacific Ocean. The dextral extrusion boundary in northern Sakhalin may be traced along theeastern coast of Sakhalin to the northern edge of the Kuril Basin, where active seismicityhas been observed although a detailed study of focal mechanisms and other tectonic aspects is needed in the future.

    DOI: 10.5026/jgeography.109.2_235

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Books

  • 揺れ動く大地 プレートと北海道

    木村 学, 宮坂省吾, 亀田 純(共著)

    北海道新聞社  2018.8 

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MISC

  • Pore structure change by nanoscale particle fracturing in the fault gouge of the Shirako fault in the Miura-Boso accretionary prism

    中元啓輔, 亀田純, 濱田洋平, 山本由弦

    日本地球惑星科学連合大会予稿集(Web)   2023   2023

  • プレート沈み込み帯巨大分岐断層の古応力解析:延岡衝上断層の例

    川崎令詞, 浜橋真理, 橋本善孝, 大坪誠, 山口飛鳥, 北村有迅, 亀田純, 濱田洋平, 福地里菜, 木村学

    日本地質学会学術大会講演要旨   121st   2014

  • 付加体内シュードタキライトの三次元造解析と断層すべり詳細の復元

    濱田洋平, 木村学, 亀田純, 山口飛鳥, 浜橋真理, 福地里菜, 北村有迅, 川崎令詞, 岡本伸也

    日本地質学会学術大会講演要旨   121st   2014

  • シュードタキライトの3次元構造解析

    濱田洋平, 木村学, 亀田純, 山口飛鳥, 浜橋真理, 福地里菜, 北村有迅, 川崎令詞, 岡本伸也

    日本地質学会学術大会講演要旨   120th   2013

  • 四万十付加体中の延岡衝上断層を貫くボーリングコアのイライトと緑泥石の変化

    福地里菜, 藤本光一郎, 亀田純, 木村学, 山口飛鳥, 浜橋真理, 北村有迅, 濱田洋平, 橋本善孝, 斎藤実篤

    日本地質学会学術大会講演要旨   120th   2013

  • 四万十付加体中の延岡衝上断層を貫くボーリングコアを用いたイライト結晶化度の解析

    福地里菜, 藤本光一郎, 浜橋真理, 山口飛鳥, 木村学, 亀田純, 濱田洋平, 橋本善孝, 栄田美緒, 比名祥子, 北村有迅, 齊藤実篤, 水落幸広, 長谷和則, 明石孝行

    日本地質学会学術大会講演要旨   119th   2012

  • Volcanic and volcaniclastic rocks in subducting Shokoku Basin: Results from IODP Expedition 322

    Saito Saneatsu, Kubo Yusuke, Underwood Mike, IODP Expedition 322 Scientists, Naruse Hajime, Oda Hirokuni, Nakajima Takeshi, Sato Hiroshi, Ishizuka Osamu, Yamaguchi Asuka, Kameda Jun, Shinjo Hironao

    Annual Meeting of the Geological Society of Japan   2010   31 - 31   2010

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    Language:Japanese   Publisher:The Geological Society of Japan  

    DOI: 10.14863/geosocabst.2010.0.31.0

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  • Surface structures of Asian mineral dust using FIB and TEM

    SEKIYA Mariko, KAMEDA Jun, SARUWATARI Kazuko, KOGURE Toshihiro

    2007   189 - 189   2007.9

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  • P9 FIB-TEM法を用いたバーミキュラー状カオリンの構造およびポリタイプ解析

    亀田 純, 猿渡 和子, ダニエル ビューフォー, 小暮 敏博

    粘土科学討論会講演要旨集   ( 51 )   164 - 165   2007.9

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    Language:Japanese   Publisher:日本粘土学会  

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  • 層状ニオブ酸ナノシートの永続的光伝導性

    SATO HISAKO, OKAMOTO KENTARO, SARUWATARI KAZUKO, KAMEDA JUN, TAMURA KENJI, KOGURE TOSHIHIRO, YAMAGISHI AKIHIKO

    粘土科学討論会講演要旨集   51st   234 - 235   2007.9

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  • P-94 Stacking structures of chlorite in a serpentinite-hosted chlorite schist

    Kameda J., Okamoto A., Kawabata K.

    114   262 - 262   2007.9

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    Language:Japanese   Publisher:The Geological Society of Japan  

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  • B25.LB法によって作成した粘土単一層膜修飾電極における電荷輸送過程の研究(一般講演 口頭発表,第50回粘土科学討論会発表論文抄録)

    吉田 純, 佐藤 久子, 猿渡 和子, 亀田 純, ビルモア ジル, 山岸 晧彦

    粘土科学   46 ( 1 )   82 - 82   2007.2

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  • 断層内のメカノケミカル反応--水素ガスおよび水素イオン発生の素過程 (総特集 陸域震源断層--深部すべり過程のモデル化) -- (1章 物質科学的調査)

    田中 秀実, 亀田 純, 猿渡 和子

    号外地球   ( 50 )   45 - 49   2005

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    Language:Japanese   Publisher:海洋出版  

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  • P52. 有機単分膜をテンプレートにしたブルーサイトの合成(第48回粘土科学討論会発表論文抄録)

    亀田 純, 猿渡 和子, 佐藤 久子, 山岸 晧彦

    粘土科学   44 ( 2 )   103 - 104   2004.12

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Awards

  • 研究総長賞(奨励賞)

    2017.1   北海道大学  

    亀田純

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Research Projects

  • 粘着力に基づく新たな断層構成則の構築

    Grant number:24K00721  2024.04 - 2027.03

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    亀田 純, 濱田 洋平

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    Grant amount:\17810000 ( Direct expense: \13700000 、 Indirect expense:\4110000 )

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  • Diagenesis and metamorphism of deep gas in accretionary prisms

    Grant number:21K03712  2021.04 - 2024.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    鈴木 徳行, 亀田 純

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    Grant amount:\2730000 ( Direct expense: \2100000 、 Indirect expense:\630000 )

    (1)南海トラフの付加体・アンダースラスト堆積物の有機物濃度についての文献調査:フィリッピン海プレートの沈み込みに伴って地殻深部にもたらされる付加体とアンダースラスト堆積物の有機物(有機炭素)濃度について国際共同海洋研究プログラム(ODP/ DSDP/IODP)のInitial Report等を活用し調査研究を行った。
    (2)付加体とアンダースラスト堆積物中での熱分解起源メタン・水素生成の反応速度モデル:海洋プレートの沈み込みによってもたらされる堆積物の有機炭素濃度が低いことから,オイル・湿性ガスの排出が乏しいと考えられ,熱分解起源メタンの生成は閉鎖系で進行するものと見なせる。このような条件下での熱分解メタン生成の反応速度モデルを構築した。
    (3)付加体堆積岩中の残留ガス分析:改良した残留ガス分析システムによって古い付加体泥質岩中の残留ガス分析を行い,熱分解起源のメタンと水素の生成タイミングをあらためて確認した。
    (4)南海トラフ沈み込み帯での熱分解起源メタンのフラックス:南海トラフ熊野灘での付加体とアンダースラスト堆積物の移動速度について検討し,堆積有機物の昇温速度や熱分解起源メタンの生成速度を検討した。その結果,付加体よりもアンダースラスト堆積物中でのメタン生成速度がはるかに大きいことを明らかにした。
    (5)南海トラフ沈み込み帯における熱分解起源メタンの生成帯の広域的分布:同地域において沈み込んでいるアンダースラスト堆積物の熱分解起源メタン生成帯の地下分布を明らかにした。それと実際に観察される泥火山,ガスハイドレートまたはBSR(海底疑似反射面),水溶性ガス田の分布との関係について考察した。

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  • 断層の高速摩擦すべりに伴うトライボケミカル型水素発生プロセスの解明

    Grant number:21H01185  2021.04 - 2024.03

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    亀田 純, 鈴木 徳行, 廣瀬 丈洋

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    Grant amount:\17160000 ( Direct expense: \13200000 、 Indirect expense:\3960000 )

    今年度は、断層内の岩石ー流体相互作用による反応生成物の探索を目的として、下記の3つの研究を行った。
    (1)沈み込み帯プレート境界域を構成する各種岩石試料を用いたラジカル反応実験:堆積岩、変成岩、火成岩試料を湿式粉砕し、溶液中の反応生成物を分析したところ、活性酸素種(過酸化水素)の生成が確認された。このことは地震活動によって断層内に酸化的流体が生成される可能性を示している。このような流体の挙動をさらに検討することにより、断層破壊の連鎖・進展プロセスの理解につながる可能性がある。
    (2)沈み込み帯プレート境界分岐断層近傍の残留ガス分析:九州四万十帯延岡断層を対象として、ガスクロマトグラフィーによる岩石残留ガス濃度組成分析(水素、二酸化炭素、メタン、エタンなど)を実施し、断層近傍における水素、二酸化炭素、メタンガスの顕著な濃度異常を確認した。これらは過去の地震活動によって生成・貯留されていると考えられ、当該断層における地震性すべり挙動の解明につながる重要な成果と考えられる。
    (3)地殻ーマントル境界断層近傍の残留ガス分析:オマーンオフィオライト下部のカンラン岩層およびそれと接する地殻岩石(メタモルフィックソール)を対象として、岩石残留ガス分析を行った。その結果、境界断層近傍において高濃度の水素・メタンが保持されていることが確認された。これらのガスは地殻岩石中にも見られたことから、オフィオライトが衝上した際のカンラン岩の蛇紋岩化作用に伴ってガスが生成し、それらが地殻岩石中へと拡散していったものと考えられる。この結果は、沈み込み帯深部における流体の生成・移行プロセスを理解する上で重要と考えられる。

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  • Evaluation of flow behavior of sediment gravity flow

    Grant number:18H01295  2018.04 - 2021.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    Kameda Jun

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    Grant amount:\17810000 ( Direct expense: \13700000 、 Indirect expense:\4110000 )

    The Eastern Iburi earthquake (Mw = 6.7) occurred on 6 September 2018 in southern Hokkaido. The resulting strong ground motion caused hill slopes widely covered by volcanic soils near the epicenter to fail suddenly. In this study, we investigated the mechanism of landslide initiation and runout behavior, paying particular attention to the surface properties of soil particles. Field surveys revealed that, in most of these landslides, the basal part of the volcanic soils acted as the principal slip surface, where halloysite clay minerals were specifically formed. Halloysite is spherical to irregular in shape, has high water retention and absorption properties, and the particle surface is negatively charged in a wide pH range. These properties may have contributed to the instability of slopes and the high mobility of soils during the earthquake.

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  • Formation process and local structure of amorphous aluminosilicates in fault zone

    Grant number:15H03746  2015.04 - 2018.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    Kameda Jun, SUGIYAMA Kazumasa, TSUTSUMI Akito, TAKESHITA Toru

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    Grant amount:\14430000 ( Direct expense: \11100000 、 Indirect expense:\3330000 )

    Thermal and mechanical activations on hydrous clay minerals in fault zones are examined. High-temperature XRD experiments demonstrated that kaolinite and chlorite, typical clay components in crustal faults, dehydroxylate in a different manner, which can be utilized as a new temperature proxy for seismogenic faults in subduction zones. In addition, we showed that mechanical action can facilitate mineral dehydroxylation reaction due to selective degradation of clay interlayers connected by hydrogen bondings. We also investigated smectite/illite mixed layers around a slip zone of the mega-branching fault of the Nankai Trough, and showed that mechanochemical processes possibly associated with seismogenic faulting can activate its transfrormation reaction by reducing the activation energy of the reaction.

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  • Investigation of fault development and crustal structure from microscopic to macroscopic scales based on geological and seismic observations

    Grant number:26109004  2014.07 - 2019.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

    Takeshita Toru

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    Grant amount:\224510000 ( Direct expense: \172700000 、 Indirect expense:\51810000 )

    In this research, the seismic observations with sub-km resolution conducted in the hypocenter region of the 2000 Tottori earthquake, which was the first challenging ones in the world, have revealed a very complex shape of fault plane and existence of non-double couple earthquakes for the first time. Geological observations conducted in the same area have clarified that aftershock of this earthquake is caused by the reactivation of faults which have been formed along the major fault strand since the Miocene age. On the Median Tectonic Line fault zone formed in the Late Cretaceous, the detailed architecture has been clarified, and our understanding for the processes and mechanism of strain localization has been advanced. Furthermore, it has been clarified that seismic rupture even occurs in the lower part of crust, which is ductile otherwise, and in the fractured fine-grained rocks further deformation proceeds by grain-size sensitive creep enhanced by metamorphic reactions.

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  • Tribochemical reaction and the mechanism of fault weakening at intermediate- to high-velocities

    Grant number:24340104  2012.04 - 2015.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    TSUTSUMI Akito, SHIMOBAYASHI Norimasa, MIYAKE Akira, KAMEDA Jun, NAMIKI Yuka

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    Grant amount:\17290000 ( Direct expense: \13300000 、 Indirect expense:\3990000 )

    To get a better understanding of fault-weakening mechanism in silicic material, we have studied microstructure of the fault surface material in the samples derived from intermediate-velocity friction experiments on chert, and frictional properties of silicic sediments from the Cocos plate offshore the Osa Peninsula, Costa Rica. TEM observation reveals that the fault surfaces in chert after the experiments consist of several hundred-nm-thick amorphous silica layer. Wear rolls exist on the smooth fault surface. We find that rolls are also made of amorphous silica. Friction of the silicic sediments from the Costa Rica show velocity-weakening at velocities to 0.3 mm/s and neutral to velocity-strengthening behavior at velocities from 0.3 mm/s to 3 mm/s. At velocities higher than 30 mm/s, steady state friction values are as low as 0.1. These results imply the important influence of the generation and/or incorporation of amorphous silica on frictional behavior of silicic faults.

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  • Silica/clay diagenesis and its effect on interplate seismicity in subduction zones

    Grant number:24740339  2012.04 - 2015.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (B)

    KAMEDA Jun

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    Grant amount:\4420000 ( Direct expense: \3400000 、 Indirect expense:\1020000 )

    The very large slip on the shallow portion of the subduction interface during the 2011 Tohoku-oki earthquake (Mw 9.0) caused a huge tsunami along the northeast coast of Honshu, Japan. In order to elucidate the mechanics of such tsunamigenic slip, mineralogical propery of the source fault rock was examined by using XRD. The analysis reveal that the fault zone that caused the earthquake is significantly enriched in smectite compared to the surrounding sediments, which may be intimately linked to the tsunamigenic shallow faulting.
    The smectite-rich deposits are broadly distributed in the northwestern Pacific Ocean, and may therefore potentially enhance conditions for large shallow slip during earthquakes that occur over a broad area of the Japan Trench plate boundary, which would result in large tsunamis for this region.

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  • Clay mineralogical analysis on fault rocks by mechanochemical approach

    Grant number:22840018  2010 - 2011

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Research Activity Start-up

    KAMEDA Jun

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    Grant amount:\3120000 ( Direct expense: \2400000 、 Indirect expense:\720000 )

    Clay mineral characteristics in and around the slip surfaces of frontal thrusts in the Miura-Boso accretionary prism was analyzed for better understanding of their slip behaviors. XRD and TEM analyses revealed a local progress of illitization reaction only within the fault gouges. This reaction might be driven by transient thermogenesis along the slip surface, and indicates probable co-seismic slip propagation up to the prism toe at the subduction margin.

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  • Introduction to Earth and Planetary Materials Science (2025academic year) Prophase  - 月3~4

  • Earth and Planetary Surface Dynamics (2025academic year) Prophase  - 火3~4

  • Advanced Earth and Planetary Surface Dynamics (2025academic year) Late  - その他

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  • Introduction to Earth and Planetary Materials Science (2024academic year) Prophase  - 月3~4

  • Earth and Planetary Surface Dynamics (2024academic year) Prophase  - その他

  • Advanced Earth and Planetary Surface Dynamics (2024academic year) Late  - その他

  • Advanced Research in Experimental Planetary Physics (2024academic year) Year-round  - その他

  • Guidance in Planetary Environment (2024academic year) Late  - その他

  • Advanced Study (2024academic year) Other  - その他

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