[R6] R6: Plutonic rocks, volcanic rocks and subduction factory | 2026 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)

Session Details

Oral presentationR6: Plutonic rocks, volcanic rocks and subduction factory

R6: Plutonic rocks, volcanic rocks and subduction factory

Sat. Sep 26, 2026 2:15 PM - 3:30 PM JST
Sat. Sep 26, 2026 5:15 AM - 6:30 AM UTC

Room B (285)

Chairperson:Atsushi Kamei(Shimane University), Takashi Yuguchi(Kumamoto University), Hajime Taniuchi(National Institute of Advanced Industrial Science and Technology)

2:15 PM - 2:45 PM JST(5:15 AM - 5:45 AM UTC)Invited Lecture

[R6-01]Hydrothermal alteration of granitoids and formation of “episyenites” in Hakatajima Island, Ehime Prefecture, Japan.

*Toko FUKUI¹, Kazuya SHIMOOKA², Toshiro TAKAHASHI³, Yasuhiro OGITA^4,5, Mitsuhiro NAGATA⁶, Satoshi SAITO¹ (1. Ehime Univ. , 2. Kwansei Gakuin Univ., 3. Niigata Univ. Grad. Sci., 4. JAEA, 5. Yamagata Univ., 6. Nihon Univ.)

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[R6-02]Dynamic redox evolution of volcanic arc granite magmas recorded in zircon: Insights from integrated oxybarometry and hygrothermobarometry

*Satoshi SAITO¹, Chiho IHIRA, Taichi KAWASHIMA, Yuka TANIWAKI, Kazuya Shimooka², Mayuko Fukuyama³ (1. Ehime Univ. Sci., 2. Kwansei Gakuin Univ. , 3. Akita Univ. Sci.)

3:00 PM - 3:30 PM JST(6:00 AM - 6:30 AM UTC)Invited Lecture

[R6-03]Oceanic plate evolution and mantle heterogeneity constrained by the geochemistry of oceanic basalts: insights from oceanic crust, petit-spot, and hotspot

*Kazuto Mikuni^1,2, Akira Ishikawa², Naoto Hirano³, Tetsuya Yokoyama² (1. Geological Survey of Japan, AIST, 2. Science Tokyo, 3. Tohoku Univ.)

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