Continuous depth profile of mechanical properties in the Nankai accretionary prism based on drilling performance parameters

Yohei Hamada1, Manami Kitamura2, Yasuhiro Yamada3, Yoshinori Sanada4, Kyaw Moe4 and Takehiro Hirose5, (1)JAMSTEC, Kochi Institute for Core Sample Research, Nankoku, Japan, (2)Hiroshima University, Higashi-Hiroshima, Japan, (3)JAMSTEC, ODS, Kanagawa, Japan, (4)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (5)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kochi Institute for Core Sample Research, Nankoku, Japan