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Minakami Quartz Diorite

• Type locality: Yubisoguchi, Minakami city, Tone county, Gunma prefecture
• Plutonic rocks
• Cretaceous - Neogene ?
• Intruded by: Rhyolite dike

• Lithofacies: Quartz diorite

• Distribution: Yubisoguchi, Minakami city, Tone county, Gunma pref.; Shinshimizu tunnel, Minakami city, Tone county, Gunma pref. - Yuzawa city, Minamiuonuma county, Niigata 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.)