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Miyagahama Welded Tuff
- Sedimentary facies: Pyroclastic flow deposit
- Lithofacies: Hornfels
- Lithofacies: Rhyolitic dacite welded tuff
- Distribution (East - West): 900 m
- Distribution (South - North): 1 km
- Upper limit: Unconformity (Okushimayama Welded Tuff)
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Miyagahama, Okishima town, Omihachiman city, Shiga pref.
- Ishida et al. (1984) Geology of the Hikone-Seibu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 121p. (in Japanese with English abstract 6p.)