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))

Keywords:magmatic hydrothermal system, gas geothermometer, helium and carbon isotope systematics