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Seto volcaniclastic rock series

• Volcanic rocks
• Setouchi volcanic belt
• Submarine volcano
• middle Miocene (14.4 Ma, Ar-Ar, FT; 13.8 Ma, K-Ar)

• Lithofacies: Felsic submarine pyroclastic rocks
• Lithofacies: Volcanic breccia, Tuff
• Lithofacies: Rhyolitic pitchstone

• Lower limit: Unconformity (Ryoke Granitoids, Hiroshima Granites, Tonosho Group)

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

• Distribution: Diamond beach, Shodoshima island, Kagawa pref.

• Tatsumi et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.12, pp.661-679 DOI
• Tatsumi et al. (2009) Jour. Geol. Soc. Japan, vol.115, Supplement, pp.15-20 DOI