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Kotani Formation
Invalid name: Tawara Subgroup
- Volcanic rocks
- late Eocene - early Oligocene (34.0 - 28.0 Ma; 34.4 Ma, FT)
- Intruded by: Granodiorite, Granite
- Lithofacies: Dacite pyroclastic flow deposit
- Lithofacies: Pumiceous lapilli tuff, Tuff
------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Shimane pref.
- Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803 DOI
- Kano et al. (2001) Geology of the Yunotsu and Gotsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 129p. (in Japanese with English abstract 5p.)