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Toburodani Formation

• Volcanic rocks
• Oligocene (25.0 - 23.0 Ma)

• Lithofacies: Andesite lava, Dacite pyroclastic rocks
• Lithofacies (Minor): Conglomerate, Sandstone, Mudstone

• Upper limit: Unconformity (Hata Formation)

------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Shimane pref.

• Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803 DOI