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Ikuta Granite

• Plutonic rocks
• Late Cretaceus

• Lithofacies: Hornblende biotite granodiorite
• Lithofacies (Minor): Quartz diorite

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

• Distribution: Koshibugawa river, Ikuta, Matsukawa city, Shimoina county, Nagano pref.; Sakashima, Toyooka city, Shimoina county, Nagano pref.

• Kawata and Yamada (1957) Iida, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 50p. (in Japanese with English abstract 12p.)