Constraints on the protolith accumulation and metamorphic age of the lowest unit (Oboke unit) of deeply subducted accretion complex -Case study of the Cretaceous high P/T metamorphic rocks (Sanbagawa metamorphic rocks), Japan-

Okamoto, Kazuaki

Constraints on the protolith accumulation and metamorphic age of the lowest unit (Oboke unit) of deeply subducted accretion complex -Case study of the Cretaceous high P/T metamorphic rocks (Sanbagawa metamorphic rocks), Japan-

Kazuaki Okamoto, Saitama University, Saitama, Japan, Yukari Otsuka, Kawagoe-MInami high school, Kawagoe, Japan and Kazumasa Aoki, Okayama University of Science, Okayama, Japan