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Tatsunokuchi Formation Yabe and Aoki, 1923

Invalid synonym: Tatsunokuchi Group, Tatunokuti Shell Bed, Upper Yushima Formation, Yamada Formation, Tamasawa Formation, Kogota Formation

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