*Wataru Tanikawa^1,2, Yuhji Yamamoto², Shintaro Yamasaki³, Akira Ijiri⁵, Takehiro Hirose¹, Jun Kimura⁴, Randy Sasaki⁸, Hisashi Nakagawa⁶, Akihiro Shimada⁷, Tetsuya Yamamoto¹ (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research, 2.Kochi University, 3.Kyoto Univerisity, 4.Tokai University, 5.Kobe Univeristy, 6.Toyohashi City, 7.Izunokuni City, 8.Teikyo University)

*Nana Kamiya¹, Masataka Kinoshita², Takehiro Hirose³, Weiren Lin⁴, Man-Yin Tsang⁵, Yuzuru Yamamoto⁵, Stephen Alan Bowden⁶, Satoshi Tonai⁷ (1.Doshisha University, 2.University of Tokyo, 3.JAMSTEC, 4.Kyoto University, 5.Kobe University, 6.University of Aberdeen, 7.Kochi University)

*Momoyo FUKUDA¹, Kiyokazu Oohashi¹, Takehiro Hirose² (1.Graduate School of Sciences and Technology for Innovation, Yamaguchi University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

*Yohei Hamada¹, Takehiro Hirose¹, Wataru Tanikawa¹ (1.Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research)

*Tae-Hoon Uhmb¹, Yohei Hamada¹, Takehiro Hirose¹ (1.Geomaterials Science Research Group, Kochi Institute for Core Sample Research, Japan Agency for Marin-Earth Science and Technology)

*Samuele Papeschi¹, Kenta Kawaguchi^1,2, Keishi Okazaki^1,3, Takehiro Hirose¹ (1.JAMSTEC Kochi (X-Star), 2.Kyushu University, 3.Hiroshima University)

*Wataru Tanikawa¹, Yohei Hamada¹, Takehiro Hirose¹ (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research)

*John D Bedford¹, Daniel R Faulkner¹, Takehiro Hirose² (1.University of Liverpool, 2.JAMSTEC)

*Takehiro Hirose¹, Jun Muto², Kazuyuki Yagi³ (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Graduate School of Science, Tohoku University, 3.Graduate School of Engineering, Kyusyu University)

*Nakamura Riko¹, Go-Ichiro Uramoto¹, Misa Kamimukai¹, Kazuya Iki², Maya Adachi², Osamu Tadai³, Yohei Hamada⁴, Wataru Tanikawa⁴, Takehiro Hirose⁴ (1.Kochi University , 2.Cooperative for the Mihara-suzuri Inkstone, 3.Marine Works Japan, 4.JAMSTEC)

*Go-Ichiro Uramoto¹, Riko Nakamura¹, Kota Asayama¹, Kazuya Iki², Maya Adachi², Osamu Tadai³, Yohei Hamada⁴, Wataru Tanikawa⁴, Takehiro Hirose⁴ (1.Kochi University, 2.Cooperative for the Mihara-suzuri Inkstone, 3.Marine Works Japan, 4.JAMSTEC)