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Koshirakimine Formation
- Collision type metamorphism by the subduction of Yangtze plate under Sino-Korea plate
- Intermediate metamorphic rocks
- Metamorphism: middle Permian - Middle Triassic
- Intruded by: Granite, Granitic dikes, Mylonite
- Correlation: Kongodo Formation
- Lithofacies: Biotite gneiss
- Lithofacies (Minor): Hornblende gneiss, Clinopyroxene gneiss, Limestone
- Lithofacies (Protolith): Mudstone, Sandstone
- Lithofacies (Protolith, Minor): Limestone, Mafic rocks, Calcareous sandstone
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Koshirakimine, Hida city, Gifu pref. - Toyama city, Toyama pref.; Onaganigawa river, Toyama city, Toyama pref.
- Nozawa et al. (1981) Geology of the Shirokimine District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 10p.)