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Shirikishimanaigawa Formation

• Accretionary complex
• Oceanic island arc
• Early Cretaceous, Berriasian - Barremian

• Upper limit: Conformity (Soashibetsugawa Formation)

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

• Distribution: Hokkaido

• Takashima et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.6, pp.381-398 DOI