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Sudagai Granite

Invalid synonym: Okutone Granite

• Plutonic rocks
• Cretaceous
• Intruded by (Dykes): Rhyolite, Granophyre, Basalt, Dolerite, Andesite, Diorite
• Intruded in: Okutone Group, Iwamuro Formation

• Lithofacies: Biotite granite

• Distribution: Tanimoto creek - Kotsunagi creek - Yagisawa creek - Takaragawa - Narasawa river - Yubiso river - Sudagai dam, Fujiawara, Minakami city, Tone county, Gunma pref.

• Chihara et al. (1981) Geology of the Echigo-Yuzawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 108p. (in Japanese with English abstract 8p.)