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Shitakara Formation

• Coherent formation
• Middle - Late Eocene

• Sedimentary facies: Marine
• Depth of water: Shallow
• Lithofacies (Upper): Massive silty sandstone
• Lithofacies (Lower): Sandstone
• Sedimentary structures: Cross-stratification

• Upper limit: Unknown
• Lower limit: Lithofacies boundary

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

• Distribution: Kushiro seashore, Kushiro city, Hokkaido
• Fossils: Foraminifera (Brizalina saitoi)

• Katagiri et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.9, pp.495-503, DOI