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Shirataki Mafic Schist

• High P/T metamorphic rocks
• Deposition: Late Cretaceous
• Cooling: Late Cretaceous (89 - 76 Ma, K-Ar, Ar-Ar)
• Correlation: Minawa Formation

• Lithofacies: Mafic schist

• Thickness: ca. 500 m
• Lower limit: Lithofacies boundary (Top of the horizon mainly composed of pelitic schist)

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

• Distribution: Niihama, Ehime pref.

• Aoya et al. (2013) Geology of the Niihama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 181p. (in Japanese with English abstract 3p.)