Structural Petrology & Tectonics Group

Solid Earth Science Group
Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo (UTokyo)

Members

Prof. S. R. Wallis School of Science, UTokyo Department of Earth & Planetary Science, School of Science, UTokyo
Visiting Researcher: K. Ozawa (Emeritus Professor of University of Tokyo)
Visiting Researcher: T. Nagaya (Associate Professor of Waseda University)
Waseda University Researchers DatabaseWaseda University Structural Geology Lab Visiting Researcher: S. Soejima (Fukada Geological Institute, researcher)
PD: T. Ito, Y. Koyama
D3: T. Morohoshi
D2: A. Takahata
D1: K. Aida (DC1, joint supervision with M. Uno)
M2: Hikaru Hoshi, Keita Takahashi

Former Members

  • Staff

    2019/09-2023/03 Assistant Prof. T. Nagaya (Currently Waseda University, Associate Professor)

  • Students

    2026/03 S. Masuda, K. Aida (M), Y. Koyama (D), T. Ito (D)
    2025/03 A. Takahata (M), H. Hoshi (U), K. Takahashi (U)
    2024/07 E. Hassan (D)
    2024/03 T. Yeo (D), S. Soejima(D), S. Maehara(M), K. Aida (U)
    2023/03 K. Yamaoka (D), T. Ito (M), Y. Koyama (M)
    2022/03 T. Morohoshi (M), S. Maehara (U)
    2021/03 K. Yoshida (M), S. Soejima (M), T. Ito (U), Y. Koyama (U)
    2020/03 I. Sakaguchi (D), K. Yamaoka (M)
    2019/03 M. Yokota (M), N. Kameda (M)
    2018/03 D. Tsang (D), K. Sadamoto (M), N. Hanamoto (M)
    2017/03 Y. Harada (M), M. Yokota (U), N. Kameda (U)
    2016/03 T. Nagaya (D), H. Kawahara (M), K. Sadamoto (U)
    2014/03 T. Kondo (U)
    2013/03 H. Mori (D), N. Mori (M)
    2012/03 T. Nagaya (M)
    2011/03 A. Nishii (M), Y. Inoue (U)
    2010/03 S. Endo (D), C. Shirakawa (M), M. Mitsuishi (M)
    2009/03 H. Mori (M), A. Nishi (U)
    2008/03 H. Kobayashi (M)
    2007/03 S. Endo (M), M. Mitsuishi (U)
    2006/03 T. Fukunari (M), H. Shimizu (M), H. Kobayashi (U)
    2005/03 M. Ohtani (M), S. Endo (U)
    2004/03 T. Fukunari (U), H. Shimizu (U)
    2003/03 T. Mizukami (D), K. Chikaraishi (U), M. Ohtani (U)
    2002/03 Y. Adachi (M), H. Nakajima (U)
    2001/03 M. Matsumoto (M)
    2000/03 M. Aoya (D), Y. Moriyama (M), Y. Adachi (U), A. Watanabe (U)
    1999/03 M. Matsumoto (U)
    1998/03 K. Muta (M), T. Makino (M), Y. Moriyama (U)
    1996/03 M: Aoya (M)

  • PD Researchers

    2024/04 - 2025/03 Shogo Soejima (Present: Fukada Geological Institute, Researcher)
    2023/03/29 - 09/28 Olivia Hogg
    2018/03 - 2018/09 Eva Hartung
    2014/12 - 2016/12 Nicola Clark
    2014/08 - 2014/12 Owen Weller
    2013/10 - 2014/02 Daeyeong Kim
    2011/07 - 2011/10 Luca Caricchi
    2010/05 - 2011/05 Izabella Nowak
    2005/04 - 2008/03 Tomoyuki Mizukami

Examples of Recent International Collaboration

Univ. Geneva, Switzerland: Prof. L. Caricchi (development of plutonic systems)
Univ. Southern California, USA: Prof J. P. Platt (development of microstructure in two phase rocks)
Univ. Oxford, UK: Prof. J. D. Blundy (volcanism and natural resources) Univ. Oxford, UK: Prof. M. Kendall, Senior Research Fellow Dr. A. Walker (seismic anisotropy and microstructure)
Carnegie Mellon Univ, USA: Prof. M. DeGraef (development of EBSD systems)

News

19th October 2026

Koki Aida and Keita Takahashi both received the outstanding student presentation award at the Geological Society of Japan meeting held in Kanazawa. In addition Keita Takahashi received the outstanding student presentation award at the Mineralogical Society of Japan held in Tokyo. Congratulations!

19th October 2026

Yukinojo Koyama has had a paper accepted for publication in the Journal of Structural Geology: EBSD-based quartz c-axis fabric opening angle thermometry: Issues and proposed protocol.
Details are in the list of recent research papers.

20th June 2026

SW took part in the team event at the Japan Veterans International Judo Championships on June 20, where his team took second place after a close final.
Each team consisted of five members, each representing a different age category: 30+, 40+, 50+, 60+, and 70+—no weight limits! SW competed in the 60+ category. Teams gathered from across Japan, Asia, Europe, and the US. SW’s team was very pleased to defeat the strong Tokyo Metropolitan Police Department team and to receive the silver medal.
Click here to see the photo

15th June 2026

SW was elected as President of the Geological Society of Japan. His term will be for two years.

13th February 2026

Graduation congratulations
Three members graduated at the end of March: two new PhDs and one new Masters!
Congratulations to Yukinojo Koyama, Taisuke Ito, and Koki Aida!
Click here to see the photos


In the entrance to science building #1 (L to R: TI, SW, YK, KA )

In front of Sanshiro Ike.

In the thin section lab with Ishihara-san.

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Publications

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Books and Special Issues

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