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Yamagami Metamorphic Rocks Kuroda and Ogura, 1960

• High P/T metamorphic rocks
• Deposition: Pre-Silurian
• Metamorphism: Carboniferous (300 Ma, 239 - 225 Ma, K-Ar; 283 Ma, Rb-Sr)
• Intruded by: Cretaceous granitoids, Granodiorite porphyry dyke, Hornblende porphyrite dyke

• Lithofacies: Epidote amphibolite, Epidote actinolite schist, Muscovite quartz schist
• Lithofacies (Minor): Piemontite schist, Mafic schist, Psammitic schist
• Lithofacies (Protolith): Mafic rocks, Sandstone, Mudstone, Chert

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Uda river, Yamagami, Soma city, Fukushima pref.; Mount Haguro, Soma city, Fukushima pref.; Aoba river, Marumori city, Igu county, Fukushima pref.

• Ozawa et al. (2013) Jour. Geol. Soc. Japan, vol.119, Supplement, pp.134-153 DOI
• Yanagisawa et al. (1996) Geology of the Somanakamura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 9p.)
• Fujita et al. (1988) Geology of the Kakuda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 99p. (in Japanese with English abstract 9p.)