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Tomitoi Formation

It had been included in Lower Yezo Group.

• Coherent formation
• Yezo forearc basin
• Early Cretaceous, Aptian

• Lithofacies: Turbidite sandstone
• Lithofacies (Minor): Mudstone, Siliceous mudstone, Felsic tuff

• Lower limit: Conformity (S3)

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

• Distribution: Nae river, Nae, Nakafurano city, Sorachi county, Hokkaido

• Takeshita et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.7, pp.491-515 DOI