[A-CG55] Hydrological and Biogeochemical Processes Across Lake, Sediment, and Rock Continuum

[ACG55-P02] Bedrock-derived carbon-bearing gas generation during contact metamorphism adjacent to the ISTL near Lake Suwa, central Japan

*Hiroshi Mori¹, Akiko Nakazawa¹, Genta Yokoyama¹, Taisei Takagi¹, Yuho Hayakawa^1,2, Shiori Horiba^1,3, Hina Dohi⁴, Naoaki Matsubayashi¹, Kaho Nobuhara¹, Koichi Mimura⁴, Ken Yamaoka⁵, Tomoki Taguchi⁶, Kazuhiro Ozawa⁷, Tetsuya Tokiwa¹ (1. Shinshu University, 2. Chuo Kaihatsu Corporation, 3. Nippon Koei Co. Ltd., 4. Nagoya University, 5. GSJ, AIST, 6. Waseda University, 7. Precision Forestry Measurement Ltd.)

Keywords:Contact metamorphic aureole, Carbonaceous material, Raman spectroscopy, Fluid inclusions, Metamorphic devolatilization, Carbon cycling