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Tonami Group Hayakawa and Takemura, 1987

• Coherent formation
• Miocene - Pleistocene

• Lithofacies: Sandy rocks

• Lower limit: Unconformity (Yatsuo Group)

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

• Distribution: Toyama pref.

• Nakajima et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.7, pp.483-516 DOI