Oral Session

C-5: Deep WRI and/or Deep Carbon Cycle.

Tue. Aug 22, 2023 9:00 AM - 11:45 AM ROOM1 (Exhibition Hall 1-A)

Chairman:Hiroaki Ohfuji(Tohoku University)、Madhusoodhan Satish-Kumar(Niigata University)

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9:00 AM - 9:15 AM

[OC5-01] Characteristics and Bioavailability of Dissolved Organic Matter in the Deep Subsurface

*Birgitta Estmark Kalinowski¹, Helena Osterholz², Stephanie Turner³, Linda Alakangas¹, Mark Dopson⁴ (1. Swedish Nuclear Fuel and Waste Management Company (Sweden), 2. Marine Geochemistry, Leibniz Institute for Baltic Sea Research,Warnermünde (Germany), 3. Mycology and Plant pathology, Swedish University of Agricultural Sciences, Uppsala (Sweden), 4. Ecology and Evolution in Microbial model Systems, Linnaeus University, Kalmar (Sweden))

9:15 AM - 9:30 AM

[OC5-02] Serpentinite dehydration veins: essential conduits for long-distance water transportation

*Austin Arias¹, Andreas Beinlich², Lisa Eberhard¹, Marco Scambelluri³, Timm John², Alissa Kotowski¹, Oliver Plümper¹ (1. Utrecht University (Netherlands), 2. Freie Universität Berlin (Germany), 3. Università di Genova (Italy))

9:30 AM - 10:00 AM

[OC5-03] Carbon cycling in the shallow forearc: insights from carbonated serpentinites

*Ryosuke Oyanagi¹ (1. Kokushikan University (Japan))

10:00 AM - 10:15 AM

[OC5-04] Slab-derived fluid storage in the crust elucidated by earthquake swarm

*Yusuke Mukuhira¹, Masaoki Uno², Keisuke Yoshida³ (1. Institute of fluid science/Tohoku University (Japan), 2. Graduate School of Environmental Studies, Tohoku University (Japan), 3. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Tohoku University (Japan))

Coffee break (10:15 AM - 10:30 AM)

10:30 AM - 10:45 AM

[OC5-05] Experimental and thermodynamical modeling of high-pressure and high-temperature water-carbonate interactions in subduction zones

*Renbiao Tao¹, Chunyuan Lan¹, Chao Wang¹ (1. Center for High Pressure Science & Technology Advanced Research (HPSTAR) (China))

10:45 AM - 11:00 AM

[OC5-06] Investigation of the decomposition process of magnesite in the presence of C-H-O fluid under high temperature and pressure conditions based on microstructural observations

*Hideaki Kawamura¹, Hiroaki Ohfuji¹, Akio Suzuki¹ (1. Tohoku University (Japan))

11:00 AM - 11:15 AM

[OC5-07] Searching for clues to the origin of carbonado, an enigmatic polycrystalline diamond through analysis of primary nano-inclusions

*Hiroaki Ohfuji¹, Wataru Taneya¹ (1. Tohoku University (Japan))

11:15 AM - 11:30 AM

[OC5-08] A carbon isotope perspective on the geodynamic cycle of carbon

*Madhusoodhan Satish-Kumar¹ (1. Niigata University (Japan))

11:30 AM - 11:45 AM

[PC5-02] Oil-gas-water-rock interactions within mud volcanic systems in Xinjiang, NW China

*Guodong Zheng^1,2, Xiangxian Ma², Wanf Xu³, Huayun Tang¹ (1. China University of Geosciences (China), 2. Northwest Institute of Eco-Environment & Resources, Chinese Academy of Sciences (China), 3. Chengdu University of Technology (China))

Session information