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Nakashichiban Unit

• High P/T metamorphic rocks
• Deposition: Late Cretaceous
• Correlation: Oboke Unit

• Metamorphic facies: Pumpellyite-Actinolite (Peak temperature: 300 degree C)
• Lithofacies: Psammitic schist

• Upper limit: Thrust fault
• Lower limit: Thrust fault

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

• Distribution: Niihama city, Ehime pref.

• Aoya et al. (2017) Jour. Geol. Soc. Japan, vol.123, no.7, pp.491-514 DOI