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Ochiai Granite

• Plutonic rocks
• Late Cretaceus (65.5 Ma, Rb-Sr)

• Lithofacies: Biotite granite

------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Nakasokura - Osokura, Komagane city, Nagano pref.; Mount Mitsugaisan, Ina city, Nagano pref.

• Makimoto et al. (1996) Geology of the Takato District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 6p.)
• Kawachi et al. (1983) Geology of the Ichinose District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 70p. (in Japanese with English abstract 6p.)