*Sudipa Samanta¹, Ramananda Chakrabarti¹, Utpalendu Haldar^1,2, Matthew Rioux³ (1. Centre for Earth Sciences, Indian Institute of Science Bangalore, 2. Earth and Environmental Sciences, James Cook University, Townsville, 3. Department of Earth Science, University of California, Santa Barbara)

*Masako Yoshikawa¹, Norikatsu Akizawa¹, Akihiro Tamura², Tomoaki Morishita² (1. Department of Earth and Planetary systems Science, Hiroshima University, 2. Institute of Science and Engineering Faculty of Natural System, Kanazawa University)

*Kazuto Mikuni^1,2, Akira Ishikawa¹, Ryoko Senda³, Takeshi Hanyu⁴, Takashi Miyazaki⁴, Kenji Shimizu⁴, Hikaru Iwamori⁵, Takahiro Ozawa¹, Tetsuya Yokoyama¹ (1. Institute of Science Tokyo, 2. Geological Survey of Japan, AIST, 3. Kyushu University, 4. JAMSTEC, 5. The University of Tokyo)

*Katsuhiko Suzuki^1,2, Taku Tsuchiya³ (1. Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology, 2. Graduate School of Symbiotic Systems Science and Technology, Fukushima University, 3. GRC, Ehime University)

*Anggit Kurnia¹, Amin Bunyamin¹, Angga Direzza¹, Zuardin Azzaino¹, Erfandi Adhiansyah¹, Kholifatun Nisa¹, Muhammad Adinur Patra¹ (1. PT. Pertamina Hulu Rokan)

*Tatsuya Tamura¹, Raiki Yamada², Tatsunori Yokoyama¹, Saya Kagami¹, Masakazu Niwa¹, Koji Umeda³ (1. Tono Geoscience Center Japan Atomic Energy Agency , 2. National Institute of Advanced Industrial Science and Technology, 3. Hirosaki University)

*Akimori Ohta¹, Akira Ishikawa¹, Tetsuya Yokoyama¹, Thendo Netshidzivhe², Sebastian Tappe³ (1. Institute of Science Tokyo, Japan, 2. North-West University, South Africa, 3. Technical University Bergakademie Freiberg, Germany)

*WEI YU CHEN¹, John Gregory Shellnutt¹, Katsuhiko Suzuki², Maria Luisa Tejada² (1. National Taiwan Normal Universuty, 2. Japan Agency for Marine-Earth Science and Technology)

*Qing Chang¹, Tatsuo Nozaki^2,3, Yuuki Hagiwara¹, Mimi Chen^1,4, Akizumi Ishida⁵, Takeshi Hanyu¹ (1. Japan Agency for Marine-Earth Science and Tecnology, 2. Waseda Univ., 3. Univ. of Tokyo, 4. Peking Univ., 5. Chiba Univ.)

*Masami Toyoda¹, Akira Ishikawa¹, Tetsuya Yokoyama¹, Shiki Machida² (1. Institute of Science Tokyo, 2. ORCeNG, Chiba Institute of Technology)

*Mridula Mamun Bristy¹, Martin Appold¹, Hector Lamadrid² (1. University of Missouri-Columbia, 2. University of Oklahoma)

*Gen Shimoda¹, Tetsu Kogiso² (1. Geological Survey of Japan, AIST, 2. Graduate School of Human and Environmental Studies, Kyoto University)