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Ryusenji Formation
- Accretionary complex
- Deposition (Limestone): early Permian (Fusulinids)
- Jurassic
- Sedimentary facies: Marine
- Lithofacies (Upper): Chert
- Lithofacies (Lower): Mafic lava, Tuff
- Lithofacies (Minor): Limestone
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Ryusenji - Sakosadani valley, Yoro city, Yoro county, Gifu pref.; Omochidani valley, Kamiishizu town, Ogaki city, Gifu pref.
- Fossils (Limestone): Crinoids, Calcareous algae
- Fossils (Limestone, Fusulinids): Misellina cf. claudiae, Paraschwagerina (Acervoschwagerina) endoi, Pseudofusulina fusiformis, Pseudofusulina cf. kraffti, Pseudofusulina cf. modica, Pseudofusulina vulgaris, Pseudofusulina vulgaris var. globosa, Pseudofusulina cf. yobarensis, Schubertella sp.
- Yoshida et al. (1991) Geology of the Kuwana District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 154p. (in Japanese with English abstract 5p.)
- Takada et al. (1979) Geology of the Tsushima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 56p. (in Japanese with English abstract 5p.)