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Oyu Granite Takahashi et al., 2004

• Plutonic rocks
• Cretaceous - Palegene
• Intruded by: Kuromatagawa Granite, Granite porphyry, Basalt
• Intruded in: Kuromatagawa Complex, Kamigongendoyama Complex

• Lithofacies: Biotite granite, Biotite granodiorite

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

• Distribution: Sanashi river - Hane river - Kuromata river, Uonuma city, Niigata pref.

• Takahashi et al. (2004) Geology of the Suhara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 80p. (in Japanese with English abstract 4p.)