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Kaibara Formation

• Type locality: Kominami, Kaibara town, Tamba city, Hyogo prefecture
• Accretionary complex
• Deposition (Shale): Permian
• Correlation: Oi Formation, Ebara Formation

• Lithofacies: Shale
• Lithofacies (Upper, Minor): Interbedded sandstone and shale, Sandstone, Chert

• Thickness: ca. 750 m
• Distribution (Width): 0.5 - 1 km
• Upper limit: Unconformity (Oyamashimo Formation, Kamogawa Formation)
• Lower limit: Thrust fault

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

• Distribution: Kominami - Botsubo - Taji - Inahata, Kaibara town, Tamba city, Hyogo pref.
• Fossils (Radiolarians): Follicucullus sp., Pseudoalbaillella sp.

• Hayashi et al. (2017) Jour. Geol. Soc. Japan, vol.123, no.9, pp.747-764 DOI
• Kurimoto et al. (1993) Geology of the Sasayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 93p. (in Japanese with English abstract 5p.)