[ Top ] [ Japanese ]

Oyu mass

Associated with Eastern Iratsu mass, tectonic blocks of metamorphosed plutonic rocks originated from lower crust - upper mantle

• High P/T metamorphic rocks
• Tectonic blocks of sedimentary rocks originated from accretionary complexes.

• Metamorphic facies: Eclogite facies

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

• Distribution: 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.)