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( Invalid ) Funakawa Group Fujioka, 1959

Corresponds to Onnagawa Formation, Funakawa Formation, Kitaura Formation, and Wakimoto Formation.

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