2022 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)
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Session Details

Oral presentationR4: Mineral sciences of the Earth surface

R4: Mineral sciences of the Earth surface

Mon. Sep 19, 2022 9:00 AM - 12:00 PM JST
Mon. Sep 19, 2022 12:00 AM - 3:00 AM UTC
B253 Adv. Edu. Res. Bldg. E-2F
Chairperson:Keisuke Fukushi(Kanazawa Univ.), Tadashi Yokoyama(Hiroshima Univ.), Satoshi Utsunomiya(Kyushu Univ.)
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[Chairperson]
Keisuke Fukushi: R4-01 - R4-04
Tadashi Yokoyama: R4-05 - R4-08
Satoshi Utsunomiya: R4-09 - R4-11
9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[R4-01]Surface diffusion analysis of hydroxide minerals experiencing dehydration by quasi-elastic neutron scattering

*Takuo Okuchi1, Yuhei Umeda1, Naotaka Tomioka2, Yusuke Seto3, Takeshi Yamada4 (1. Kyoto Univ., 2. JAMSTEC, 3. Osaka Metro. Univ., 4. CROSS Tokai)
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9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[R4-02]Pore size dependence of the rates of water infiltration and air dissolution inside a rock

*Tadashi Yokoyama1, Satoki Shintaku3, Naoki Nishiyama2 (1. Hiroshima Univ., 2. AIST, 3. Hiroshima Pref. Government)
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9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[R4-03]Amorphous nanoparticles: clay minerals?

*Katsuhiro Tsukimura1, Kazuko Manpuku1, Yoko Miyoshi1, Masaya Suzuki1, Tetsuichi Takagi1, Shin-ichiro Wada2 (1. AIST, 2. Kyusyu Univ.)
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9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[R4-04]Inhibition effects of polysaccharides on dolomitization at high temperatures

*Yang Wei1, Hiromi Konishi1 (1. Niigata Univ.)
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10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[R4-05]Contribution of organic molecules in plant opal to silica nanoparticle formation

Nozomu Yamazaki1, *Jun Kawano1, Noriaki Ozaki2, Kyoto Miwa3, Takaya Nagai1 (1. Hokkaido Univ. Sci., 2. Akita Pref. Univ. Biol. Env., 3. Hokkaido Univ. Env. Sci.)
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10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[3Lecture-201-11-6add]Break time

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10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[R4-06]Relationship between morphology and crystal orientation in coccoliths analyzed by EBSD

*Toshihiro Kogure1, Masayuki Utsunomiya2 (1. Univ. Tokyo Sci., 2. GSJ, AIST)
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10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[R4-07]Solubility of calcium carbonate hemihydrate : Implication for prediction of water chemistry of alkaline lakes[Presentation award entry]

*Mai Suyama1, Keisuke Fukushi2, Takuma Kitajima1 (1. Kanazawa Uni. Sci., 2. Institute of Nature and Environmental Technology, Kanazawa University)
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11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[R4-08]Crystallographic characteristics of vaterite in fish otolith[Presentation award entry]

*Gen Takahashi1, Taiga Okumura1, Takayoshi Nagaya1, Michio Suzuki 2, Toshihiro Kogure1 (1. Univ. Tokyo, Sci., 2. Univ. Tokyo, Agri.)
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11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[R4-09]Organic matter inclusions in magnetite crystals from BIF[Presentation award entry]

*Tatsuro Manabe1, Hiromi Konishi1 (1. Niigata Univ.)
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11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[R4-10]Variation of aragonite axial ratios induced by Na substitution

*Taiga Okumura1, Michio Suzuki2, Toshihiro Kogure1 (1. Univ. Tokyo Sci., 2. Univ. Tokyo Agric. Life Sci.)
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11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[R4-11]Precipitation of dolomite induced by halophilic bacteria: influence of Mg2+, Ca2+, and HCO3- concentrations

*Maho Hasegawa1, Hiromi Konishi1 (1. Niigata Univ.)
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