[R4] R4: Mineral sciences of the Earth surface | 2026 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)

Session Details

Oral presentationR4: Mineral sciences of the Earth surface

R4: Mineral sciences of the Earth surface

Sat. Sep 26, 2026 8:45 AM - 11:45 AM JST
Sat. Sep 26, 2026 11:45 PM - 2:45 AM UTC

Room A (279)

Chairperson:Tadashi Yokoyama(Hiroshima University), Hiroshi Sakuma(NIMS), Taiga Okumura(Waseda University), Jun Kawano(Hokkaido University)

8:45 AM - 9:00 AM JST(11:45 PM - 12:00 AM UTC)

[R4-01]Adsorption of Cs on clay minerals: Elucidation of the aging mechanism leading to reduced desorption

*Hiroshi SAKUMA¹, Kenji TAMURA¹, Shigeru SUEHARA¹, Kenjiro HASHI¹ (1. NIMS)

9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[R4-02]Structure and origin of hydroxy-intercalated vermiculite (HIV) in surface soil covering hills in Iitate village, Fukushima Prefecture

*Toshihiro KOGURE^1,2,5, Shun Ebisawa¹, Ryosuke Kikuchi³, Atsushi Nakao⁴, Shingo Yokoyama⁵ (1. Univ Tokyo, 2. Waseda Univ, 3. Hokkaido Univ, 4. Kyoto Prefectural Univ, 5. CRIEPI)

9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[R4-03]“Invisible” radioactive cesium atoms revealed: Pollucite inclusion in
cesium-rich microparticles (CsMPs) from the Fukushima Daiichi Nuclear Power Plant

*Satoshi UTSUNOMIYA¹ (1. National Taiwan University)

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[R4-04]The relationship between changes in transport properties and the weathering state of minerals observed in granite weathering profile

*Tadashi YOKOYAMA¹, Atsuki Yoshida², Hikaru Okamura³, Masahiro Kaibori⁴, Ikuo Katayama⁵, Yusuke Kirino⁶ (1. Hiroshima Univ. Grad. School Adv. Sci. Eng., 2. Nippon Koei , 3. Mitsui Sumitomo Insurance, 4. Hiroshima Univ. Resilience Research Center, 5. Kyoto Univ. Dept. Geol. Mineral., 6. Taiheiyo Cement)

9:45 AM - 10:10 AM JST(12:45 AM - 1:10 AM UTC)Invited Lecture

[R4-05]Possibility of nitrate reduction by a side effect of groundwater flow caused by aquifer thermal energy storage

*Masaatsu Aichi¹ (1. UTokyo, GSFS)

10:10 AM - 10:20 AM JST(1:10 AM - 1:20 AM UTC)

[5j1.i8G_-6add]休憩

10:20 AM - 10:35 AM JST(1:20 AM - 1:35 AM UTC)

[R4-06]Biological control of calcium carbonate crystals in biominerals

*Michio Suzuki¹, Kei Futagawa¹, Taiga Okumura² (1. UTokyo, 2. Waseda Univ.)

10:35 AM - 10:50 AM JST(1:35 AM - 1:50 AM UTC)

[R4-07]Attempts at In Situ Observation of Calcium Carbonate Crystallization Using Nanochannel Liquid-Cell TEM

*Tomoya Yamazaki¹, Jun Kawano², Yuki Kimura¹ (1. Institute of Low Temperature Science, Hokkaido University, 2. Faculty of Science, Hokkaido University)

10:50 AM - 11:05 AM JST(1:50 AM - 2:05 AM UTC)Student Presentation Award Entry

[R4-08]Ontogenetic changes in the crystallographic characteristics of the tests of benthic foraminifera Spirillina vivipara

*Souta Kawashima¹, Jun Kawano¹, Yukiko Nagai², Takaya Nagai¹, Takashi Toyofuku² (1. Graduate School of Science, Hokkaido University, 2. X-star, JAMSTEC)

11:05 AM - 11:20 AM JST(2:05 AM - 2:20 AM UTC)

[R4-09]The biomineralization process of the foraminifera Sorites orbiculus

*Yukiko Nagai¹, Remi Tsubaki², Jun Kawano³, Kazuhiko Fujita⁴, Takashi Toyofuku¹ (1. JAMSTEC, 2. Eusapia Co., Ltd., 3. Hokkaido Unv., 4. Fukui Prefectural Unv.)

11:20 AM - 11:45 AM JST(2:20 AM - 2:45 AM UTC)Invited Lecture

[R4-10]The Role of Biominerals in Biological Survival Strategies

*Takenori Sasaki¹ (1. Univ. Mus., Univ. Tokyo)

Back to Category List