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Northern Unit

• Accretionary complex
• Deep-sea fan deposit
• Paleocene - Eocene (58 - 48 Ma, U-Pb)

• Sedimentary facies: Marine

• Lower limit: Nupinaigawa Fault

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

• Distribution: Hidaka mountains, Hokkaido

• Nanayama et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.6, pp.421-438 DOI
• Takahashi et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.6, pp.399-411 DOI