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Utazaki Granite

• Plutonic rocks
• Late Cretaceus

• Lithofacies: Muscovite biotite granite, Biotite granite

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

• Distribution: Nakashima island - Odomari - Uasaki? - Okinokojima island - Chinokojima island, Matsuyama city, Ehime pref.

• Matsuura (1997) Geology of the Kurahashi Jima and Hashira Jima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 53p. (in Japanese with English abstract 4p.)