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Kamiabukasanbezawa Formation

It had been included in Lower Yezo Group.

• Coherent formation
• Yezo forearc basin
• Early Cretaceous

• Lithofacies: Sandstone, Interbedded sandstone and mudstone, Mudstone

• Upper limit: Unconformity (Shunbetsugawa Formation)
• Lower limit: Conformity (Nitarachi Formation)

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

• Distribution: West flank of Hidaka mountains, Hokkaido

• Ueda (2007) Jour. Geol. Soc. Japan, vol.113, Supplement, pp.137-152 DOI