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Hidaka Metamorphic Belt

• Island arc crust
• Metamorphic rocks and Plutonic rocks
• Eocene - Miocene (56 - 19 Ma)

• Lithofacies: Low P/T metamorphic rocks, S-type tonalite
• Lithofacies: I-type tonalite, Granite, Gabbro, Diorite

• Distribution (North to south): ca. 140 km
• Distribution (East to west): ca. 20 km
• Upper limit: Transitional (Nakanokawa Group)
• Lower limit: Hidaka Main Thrust (Poroshiri Ophiolite)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Satsunai river, Tokachi, Hokkaido; Niikappu river, Hidaka, Hokkaido

• Nanayama et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.6, pp.421-438 DOI
• Shimura et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.2, pp.195-200 DOI
• Takahashi et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.6, pp.399-411 DOI
• Kojima and Shimura (2014) Jour. Geol. Soc. Japan, vol.120, no.11, pp.393-412 DOI
• Maeda et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.4, pp.204-216 DOI
• Osanai et al. (2007) Jour. Geol. Soc. Japan, vol.113, Supplement, pp.29-50 DOI