JpGU-AGU Joint Meeting 2026

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-MP Mineralogy & Petrology

[S-MP32] Oceanic & Continental Subduction Processes: petrologic/geophysical/geochemical perspective

Tue. May 26, 2026 9:00 AM - 10:30 AM Exhibition Hall Special Setting (6) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:REHMAN U. HAFIZ(Kagoshima University), Das Kaushik(Hiroshima University), Imayama Takeshi(Research Institute of Frontier and Science Technology, Okayama University of Science)

9:45 AM - 10:00 AM

[SMP32-04] Role of phyllosilicates in the weakening behavior of brittle fault zones: insights from natural samples and low-to-high velocity rotary shear experiments

*Dyuti Prakash Sarkar1, Takehiro Hirose2, Gautam Ghosh3, Arkaneel Saha4 (1. Division of Geosphere Sciences, Yamaguchi University, Yamaguchi, Japan, 2. Kochi Institute for Core Sample Research, Japan Agency for Marine Earth Science and Technology, Nankoku, Japan, 3. Department of Geology, Presidency University, Kolkata, India, 4. School of Earth, Environmental and Sustainability Sciences, IISER Thiruvananthapuram, Thiruvananthapuram, India)

Keywords:Fault friction, Crustal deformation, Main Himalayan Thrust, Main Frontal Thrust, Seismic nucleation