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Tonosho Group

• Coherent formation
• Eocene - Oligocene ?

• Upper limit: Unconformity (Shodo-Shima Group)
• Lower limit: Unconformity (Tonosho Group)
• Lower limit: Unconformity (Younger Ryoke Granitoids, Hiroshima Granites)

------ 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
• Tatsumi et al. (2009) Jour. Geol. Soc. Japan, vol.115, Supplement, pp.15-20 DOI