Serpentinization in the marginal zone of a serpentinite body with low-T/high-P metamorphic rocks in Kamuikotan Belt, Japan: using horizontal boring core from tunnel construction

Shusaku Yamazaki1, Kenji Okazaki2 and Toshiyuki Kurahashi2, (1)Civil Engineering Research Institute for Cold Reigon, Sapporo, Japan, (2)Civil Engineering Research Institute for Cold Region, Sapporo, Japan