R8: Metamorphic rocks and tectonics

[R8-10] Re-proposal of the metamorphic zone division in the Horokanai area of the Kamuikotan Belt based on the mineral paragenesis and phengite K-Ar Age.

*Takao HIRAJIMA¹, Kousuke Naemura², Kenta Yoshida³ (1. Kyoto University, 2. Iwate University, 3. JAMSTEC)

Keywords:Phengite K-Ar age, Triple Point bluecshit, Horokanai area, Kamuikotan Belt