[S-MP31] Deformation, metamorphism, and tectonics: Exploring the solid Earth dynamics via rocks

Mon. May 25, 2026 10:45 AM - 12:15 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

Chairperson:Nagaya Takayoshi(Waseda University), Fukushima Ryo(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

We invite all researchers who aim to understand the dynamics of the earth's crust and mantle at the plate boundaries, to discuss the latest results from various viewpoints. The scope will include contributions through petrology and structural geology as well as various techniques including rheology and heat and mass transfer.

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10:45 AM - 11:00 AM

[SMP31-01] Transition of deformation mechanisms of amphibole depending on grain size in chlorite–amphibole schist from the Nagasaki metamorphic rocks, Nomo Peninsula, Japan

*Kotaro Kubota¹, Ken-ichi Hirauchi¹, Thomas Yeo² (1. Shizuoka University, 2. University of Tsukuba)

11:00 AM - 11:15 AM

[SMP31-02] Aspect ratio of quartz grains as a quantitative strain rate indicator: Comparison between optical and EBSD-based analysis on experimentally recrystallized quartz

*Kazuma Nakakoji¹, Ichiko Shimizu², Katsuyoshi Michibayashi³ (1. The University of Tokyo, 2. Kyoto University, 3. Nagoya University)

11:15 AM - 11:30 AM

[SMP31-03] Low-temperature intracrystalline structures in naturally deformed quartz and their effect on strain hardening

*Hiroaki Yokoyama^1,2, David Wallis³, Nobuyoshi Miyajima⁴, Jun Muto¹ (1. Department of Earth Sciences, Tohoku University, 2. Earth and Planetary Systems Science Program, Hiroshima University, 3. Department of Earth Sciences, University of Cambridge, 4. Bayerisches Geoinstitut, University of Bayreuth)

11:30 AM - 11:45 AM

[SMP31-04] Estimation of the spatial distribution of differential stress and strain using a microboudin paleopiezometer in the Sanbagawa Belt, Wakayama, Japan

*Kazuya Toyama¹, Katsuyoshi Michibayashi^1,2 (1. Department of Earth and Planetary Sciences, GSES, Nagoya University, 2. Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

11:45 AM - 12:00 PM

[SMP31-05] An Integrated Approach to analyze the geometry and kinematic evolution of the Main Central thrust in western Arunachal Himalaya, northeastern India

Nadeem Parvez¹, *Dripta Dutta², Sayantan Chakraborty¹, Manish A Mamtani³, Jun-ichi Ando² (1. Earth System Science and Engineering Division, IIT Guwahati, Assam 781 039, India, 2. Department of Earth and Planetary Systems Science, Hiroshima University, Higashihiroshima 739-8526, Japan, 3. Department of Geology and Geophysics, IIT Kharagpur, West Bengal 721 302, India)

12:00 PM - 12:15 PM

[SMP31-06] “Genuine lithosphere geotherm” revealed from mantle rocks by evaluating records of transient heating during their exhumation

*Kazuhito Ozawa¹, Norikatsu Akizawa¹, Nasrrddine Youbi² (1. Earth and Planetary Systems Science Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 2. Geology Department, Faculty of Sciences-Semlalia, Cadi Ayyad University)

Session information