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Caldera-collapse breccia

• Type locality: Sugori river, Shinome, Ato, Yamaguchi city, Yamaguchi prefecture
• Volcano-plutonic complex
• Volcanic rocks
• Late Cretaceous

• Sedimentary facies: Mesobreccia
• Lithofacies: Poorly sorted breccia

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

• Distribution: Sugori river, Shinome, Ato, Yamaguchi city, Yamaguchi pref.

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