Variations in the depths of sulfate-methane transition zone (SMTZ) in UBGH2-6 drilling site in Ulleung Basin, East sea of Korea

Yuri Kim, Korea Institute of Geoscience and Mineral Resources (KIGAM), Daejeon, South Korea, Jong Hwa Chun, KIGAM Korea Institute of Geoscience and Mineral Resources, Gas Hydrate Department, Daejeon, South Korea, Jang-Jun Bahk, Korea Inst Geosci & Minera Res, Daejon, Korea, Republic of (South), Byong-Jae Ryu, KIGAM Korea Institute of Geoscience and Mineral Resources, Daejeon, Korea, Republic of (South) and In Kwon Um, KIGAM Korea Institute of Geoscience and Mineral Resources, Petroleum and Marine Research Division, Daejeon, Korea, Republic of (South)