T16[Topic] Regional geology and stratigraphy: comprehensive understanding

[T16-P-1] Accretion process and thermal history on the Usubetsu Complex as Late Jurassic-Early Cretaceous accretionary complex in the Oshima belt, southwestern Hokkaido, Japan: Study on estimation of peak metamorphic temperature, combining the fission-track ages and those analysis and modeling.

*Shinji TANAKA¹, Takayuki KATOH¹, Tohru DANHARA², Hideki IWANO^2,3, Takafumi HIRATA³, Riku TADA⁴ (1. Earth Science Co., Ltd., 2. Kyoto Fission-Track Co., Ltd, 3. Geochemical Research Center, The University of Tokyo, 4. Obayashi Co., Ltd.)

Keywords:

accretionary complex,peak metamorphic temperature,fission-track

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