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Horokabetsu Formation Imai, 1924

• Type locality: Shihorokabetsu river, Yubari city, Hokkaido
• Coherent formation
• Paleogene

• Sedimentary facies: Fluvial
• Sedimentary facies: Meandering river, Flood plain
• Lithofacies: Siltstone
• Lithofacies (Minor): Sandstone

• Upper limit: Conformity (Yubari Formation)
• Lower limit: Conformity (Noborikawa Formation)

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

• Distribution: Shihorokabetsu river, Yubari city, Hokkaido
• Distribution: Plant roots

• Hoyanagi et al. (2007) Jour. Geol. Soc. Japan, vol.113, Supplement, pp.205-215 DOI