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Horatani Tonalite Harayama, 1990

• Type locality: Horatani valley, Tochio, Okuhidaonsengo, Takayama city, Gifu prefecture
• Collision type metamorphism by the subduction of Yangtze plate under Sino-Korea plate
• Plutonic rocks
• Metamorphism: Permian - Triassic (300 - 200 Ma)
• Permian - Jurassic

• Lithofacies: Biotite hornblende tonalite

• Upper limit: Unconformity (Yarimi Tuff Member, Nyukawa Pyroclastic Flow Deposit)

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

• Distribution: Horatani valley - Imami - Takaharagawa river - Kasatani valley - Shitakadani valley, Okuhidaonsengo, Takayama city, Gifu pref.

• Harayama (1990) Geology of the Kamikochi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 175p. (in Japanese with English abstract 11p.)