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Shimaji Formation
- Collision type metamorphism by the subduction of Yangtze plate under Sino-Korea plate
- Intermediate metamorphic rocks
- Metamorphism: middle Permian - Middle Triassic
- Intruded by: Usunami Granite
- Lithofacies (Upper): Hornblende gneiss, Clinopyroxene gneiss, Limestone
- Lithofacies (Upper, Minor): Garnet sillimanite biotite gneiss
- Lithofacies (Middle): Limestone
- Lithofacies (Lower): Biotite gneiss
- Lithofacies (Lower, Minor): Garnet sillimanite biotite gneiss, Limestone
- Lithofacies (Protolith, Upper): Calcareous sandstone, Mafic rocks, Limestone
- Lithofacies (Protolith, Upper, Minor): Mudstone
- Lithofacies (Protolith, Middle): Limestone
- Lithofacies (Protolith, Lower): Mudstone, Sandstone
- Lithofacies (Protolith, Lower, Minor): Limestone
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Tanokashira - Nozumigawa river - Onagatanigawa 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.)