[ Top ] [ Japanese ]

Shodo-Shima Group Tatsumi, 1983

• Volcanic rocks
• Setouchi volcanic belt
• middle Miocene (14.4 - 13.1 Ma, K-Ar, Ar-Ar, FT, U-Pb)

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

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

• Distribution: Shodoshima island, Kagawa pref.

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