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Koshimizu Formation Kano, 1979
- Collision type metamorphism by the subduction of Yangtze plate under Sino-Korea plate
- Intermediate metamorphic rocks
- Roof pendant on Shokawa Granite
- Metamorphism: middle Permian - Middle Triassic
- Intruded by: Shokawa Granite
- Lithofacies: Garnet sillimanite biotite gneiss, Staurolite-bearing andalusite garnet sillimanite cordierite gneiss, Limestone
- Lithofacies (Protolith): Aluminous mudstone, Sandstone, Mafic rocks, Limestone
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Takamine, Toga town, Nanto 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.)