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Uppermost

Synonym: Shibusan Formation (Matsui and Matsuzawa, 1985), Nakazato Formation (Matsui and Matsuzawa, 1985)

Invalid synonym: Kumaushi Formation, Upper Otofuke Formation

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