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Obanashi Complex Kurimoto et al., 1999
- Type locality: Obanashigawa river, Yogo, Nagahama city, Shiga prefecture
- Accretionary complex
- Deposition (Shale): Early - Middle Jurassic (Radiolarians)
- Middle Jurassic
- Correlation: Sakauchi Complex, Samondake Unit
- Sedimentary facies: Marine
- Lithofacies: Coherent facies (Chert-clastic sequence)
- Lithofacies (Upper): Sandstone, Interbedded sandstone and shale
- Lithofacies (Upper, Minor): Shale, Chert, Basalt lava, Pyroclastic rocks
- Lithofacies (Lower): Shale
- Lithofacies (Lower, Minor): Sandstone, Chert, Acidic tuff
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Obanashigawa river, Yogo, Nagahama city, Shiga pref.; Shonokawa river, Tsuruga city, Fukui pref.
- Fossils (Radiolarians): Archicapsa pachyderma, Bagotum sp., Canoptum sp., Diacanthocapsa normalis, Dictyomitrella sp., Hsuum sp., Nassellaria gen. et sp., indet., Pantanellum sp., Parahsuum sp., Parviocingula sp., Stichocapsa convexa, Stichocapsa japonica, Tricolocapsa plicarum, Tricolocapsa rüsti
- Kurimoto et al. (1999) Geology of the Tsuruga District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 73p. (in Japanese with English abstract 3p.)