E-2: Sub- and Supercritical Geothermal Energy

[OE2-09] Gas geochemistry of the Hatchobaru geothermal field in Kyushu, Japan

*Jun-ichiro Ishibashi¹, Yuki Konya¹, Akira Ijiri¹, Yohei Matsui², Shinsuke Kawagucci², Hirochika Sumino³, Toshiro Yamanaka⁴, Saki Tsutsumi⁵, Keigo Kitamura⁶, Jun Nishijima⁶ (1. Kobe Univ. (Japan), 2. JAMSTEC (Japan), 3. Univ. Tokyo (Japan), 4. Tokyo Univ. Marine Sci. Tech. (Japan), 5. West JEC, Inc. (Japan), 6. Kyushu Univ. (Japan))

キーワード：magmatic hydrothermal system, gas geothermometer, helium and carbon isotope systematics