Deep subduction of Organic Carbon Related to Jurassic Ridge-Hydrothermal Biosphere; case study from the Besshi mine in the Sanbagawa high P/T rocks, in Japan

Kazuaki Okamoto1, Yumi Ando1 and Yuji Sano2, (1)Saitama University, Saitama, Japan, (2)University of Tokyo, Bunkyo-ku, Japan