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Oki Metamorphic Rocks

• Low P/T metamorphic rocks
• Metamorphism: Permian - Triassic (250 Ma, CHIME)
• Intruded by: Dogo-Minamidani Granite

• Metamorphic facies: Granulite
• Lithofacies: Migmatitic gneiss, Gneissose granite, Amphibolite
• Lithofacies (Minor): Calcareous gneiss, Siliceous gneiss

• Upper limit: Unconformity (Tokihariyama Formation)

• Distribution: Oki-Dogo island, Shimane pref.

• Yamauchi et al. (2009) Geology of the Saigo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 118p. (in Japanese with English abstract 3p.)