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Kitakoma Welded Tuff Member

• Volcano-plutonic complex
• Volcanic rocks
• Late Cretaceous

• Lithofacies: Rhyolitic pyroclastic flow deposit

• Lower limit: Unconformity (Basement)

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

• Distribution: Fuchigadaira fall, Hinase river, Sasanami, Hagi city, Yamaguchi pref.

• Imaoka et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.7, pp.529-553 DOI