1. Kochi Institute for Core Sample Research (X‐star) Japan Agency for Marine‐Earth Science and Technology (JAMSTEC) Kochi Japan
2. Graduate School of Engineering Kyoto University Kyoto Japan
3. Department of Planetology Graduate School of Science Kobe University Kobe Japan
4. Department of Earth Resources Engineering Kyushu University Fukuoka Japan
5. Earthquake Research Institute University of Tokyo Tokyo Japan
6. MARUM‐Center for Marine Environmental Sciences University of Bremen Bremen Germany
7. Mantle Drilling Promotion Office Institute for Marine‐Earth Exploration and Engineering (MarE3) JAMSTEC Yokohama Japan