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Kamishiro Formation Kato et al., 1989

• Coherent formation
• early - middle Permian
• Deposition (Limestone): early - middle Permian (Foraminifera)
• Deposition (Shale): middle Permian (Radiolarians)
• Intruded by: Porphyrite dikes

• Lithofacies: Basaltic lapilli tuff, Tuff, Chert, Shale
• Lithofacies (Minor): Sandstone, Limestone

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

• Distribution: Kamishiro - Takizawagawa river - Narusawa creek - Inukawa river - Sanozaka - Tomione ridge - Nishiuminokuchi, Hakuba city, Kitaazumi county, Nagano pref.; Kurosawa, Omachi city, Nagano pref.
• Fossils (Radiolarians): Follicucullus scholastics, Pseudoalbaillella sp.
• Fossils (Limestone, Foraminifera): Agathammina sp., Climaccammina sp., Endothyra? sp., Globivalvulina sp., Hemigordius sp., Pachyphloia sp., Tetrataxis sp.

• Harayama (2015) Jour. Geol. Soc. Japan, vol.121, no.8, pp.293-308, DOI
• Kato et al. (1989) Geology of the Omachi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 7p.)