Oral Session

D-3:Ore-forming processes associated with water-rock interactions

2023年8月21日(月) 14:00 〜 17:00 ROOM3 (Meeting Room 1)

Chairman:Tsubasa Otake(Hokkaido University)、Coralie Siegel(CSIRO)、Andrea Agangi(Akita University)

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14:00 〜 14:30

[OD3-01] Genesis of Heavy Rare Earth Deposits Associated with Alkaline Rocks

*Yasushi Watanabe¹, Mihoko Hoshino², Musashi Takagi¹, Aizada Kyzy Tenisbek¹, Takuya Echigo¹ (1. Akita University (Japan), 2. Institute for Geo-Resources and Environment, AIST (Japan))

14:30 〜 14:45

[OD3-02] Magnesium isotope constraints on the formation of the Rock Canyon Creek carbonate-hosted REE–F–Ba deposit, British Columbia, Canada

*Daisuke Araoka¹, George J Simandl², Suzanne Paradis³, Toshihiro Yoshimura⁴, Mihoko Hoshino¹, Yoshiaki Kon¹ (1. Geological Survey of Japan, AIST (Japan), 2. University of Victoria (Canada), 3. Geological Survey of Canada (Canada), 4. JAMSTEC (Japan))

14:45 〜 15:00

[OD3-03] Replacement reveals the nonlinear, self-accelerating dynamics of both dolomitization and serpentinization. Serpentinization of mantle peridotites brings magnesium to the crust.

*Enrique Merino¹ (1. Indiana University (United States of America))

15:00 〜 15:15

[OD3-04] Geochemical constraints on the formation of high nickel grade saprolite ores: A comparison of nickel laterite deposits in Indonesia and Myanmar

*Akane Ito¹, Ayaka Murofushi², Tsubasa Otake², Kenzo Sanematsu³, Takahiro Daimon², Ryosuke Kikuchi², Tsutomu Sato² (1. Kyusyu University (Japan), 2. Hokkaido University (Japan), 3. Geological Survey of Japan, AIST (Japan))

Coffee break (15:30 〜 15:45)

15:45 〜 16:00

[OD3-06] Hydrothermal footprints: a new perspective using reaction path modelling and clustering of geochemical data

*Coralie Siegel¹, Evgeniy Bastrakov², Juerg Hauser¹, David Champion², David Huston², Karol Czarnota² (1. CSIRO (Australia), 2. Geoscience Australia (Australia))

16:00 〜 16:15

[OD3-07] Texture and chemistry of ore minerals at the Furutobe deposit, Akita, Japan, and their implications

*Manuel Augusto Manuel Nopeia¹, Ryohei Takahashi², Andrea Agangi², Pearlyn Manalo² (1. Center for Regional Revitalization in Research and Education, Akita University (Japan), 2. Department of Earth Resource Science, Akita University (Japan))

16:15 〜 16:30

[OD3-08] Effect of sulfuric acid on the early-stage formation of silica scale from geothermal water

*Saefudin Juhri¹, Kotaro Yonezu¹, Muhammad Istiawan Nurpratama², Agung Harijoko³, Takushi Yokoyama⁴ (1. Department of Earth Resources Engineering, Kyushu University (Japan), 2. PT Geodipa Energi (Indonesia), 3. Department of Geological Engineering, Universitas Gadjah Mada (Indonesia), 4. Department of Chemistry, Kyushu University (Japan))

16:30 〜 16:45

[OD3-09] 3.2 Ga shallow ocean redox environment recorded in banded iron formation by chromium concentration, Moodies Group, Barberton Greenstone Belt, South Africa

*Yoko Ohtomo¹, Haruki Matsukawa², Yasuhiro Nagashima², Tsubasa Otake¹, Takeshi Kakegawa³, Tsutomu Sato¹ (1. Faculty of Engineering, Hokkaido University (Japan), 2. Graduate School of Engineering, Hokkaido University (Japan), 3. Graduate School of Science, Tohoku University (Japan))

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16:45 〜 17:00

[OD3-10] Groundwater bioenergetics: New modeling approaches to decipher the spatial variability of geogenic contaminants

*Kunfu Pi¹, Yanxin Wang¹, Philippe Van Cappellen², Xianjun Xie¹, Junxia Li¹ (1. China University of Geosciences (China), 2. University of Waterloo (Canada))

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