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Iratsu mass

• High P/T metamorphic rocks
• Tectonic blocks of metamorphosed plutonic rocks originated from lower crust - upper mantle, and sedimentary rocks from accretionary complexes.

• Metamorphic facies: Eclogite facies

• Distribution: 7.0 x 3.0 km²
• Upper limit: Thrust fault
• Lower limit: Thrust fault

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

• Distribution: Mount Higashiakaishi, Ehime pref.

• Sakurai and Takasu (2009) Jour. Geol. Soc. Japan, vol.115, no.3, pp.101-121 DOI