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Kiyama Metamorphic Rocks

• Type locality: Kanayama river, Shimojin, Mashiki city, Kumamoto prefecture
• High P/T metamorphic rocks
• Deposition: Late Devonian (381 Ma, U-Pb)
• Metamorphism: Carboniferous (290 - 337 Ma, K-Ar; 320 Ma, Rb-Sr)

• Metamorphic facies (East): Epidote blueschist facies
• Metamorphic facies (West): Epidote amphibolite facies
• Lithofacies: Mafic schist
• Lithofacies (Minor): Pelitic schist, Psammitic schist

• Upper limit: Fault, Unconformity (Basal Formation of Mifune Group)
• Lower limit: Fault

• Distribution: Kanayama river, Shimojin, Mashiki city, Kumamoto pref.

• Osanai et al. (2014) Jour. Geol. Soc. Japan, vol.120, Supplement, pp.79-100 DOI