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Okubo mass

• Collision type metamorphism by the subduction of Yangtze plate under Sino-Korea plate
• Intermediate metamorphic rocks

• Lithofacies: Biotite gneiss

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

• Distribution: Okubo, Himi city, Toyama pref.

• Imai et al. (1966) Geology of the Ochigata and Abugashima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 67p. (in Japanese with English abstract 4p.)