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Iwashimizu Complex
- Type locality: West flank of Hidaka mountains, Hokkaido
- High P/T metamorphic rocks
- Protolith: Sorachi oceanic plateau in Panthalassa Ocean
- Protolith: Accretionary complex
- Deposition: Early Cretaceous (Fossils, Radiometric age)
- Metamorphic facies: Lawsonite-albite, Blueschist
- Lithofacies: Greenstones
- Lithofacies (Minor): Chert, Tuffaceous siliceous mudstone, Sandy and muddy rocks, Limestone
- Lithofacies (Protolith): Oceanic island basalt
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: West flank of Hidaka mountains, Hokkaido
- Sakakibara et al. (2007) Jour. Geol. Soc. Japan, vol.113, Supplement, pp.103-118 DOI