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( Invalid ) Tokigawa Group (Kobayashi, 1935) Koike et al., 1985

Synonym: Higashimatsuyama Group, Tokigawa Formation

Corresponds to Godo Formation, Negishi Formation, Shogunzawa mine, Hatoyama Formation and Imajuku Formation.

• Lower limit: Unconformity (Kamikarako Formation)

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

• Koike et al. (1985) Jour. Geol. Soc. Japan, vol.91, no.10, pp.665-677.