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Katashinagawa Rhyolites

• Volcanic rocks
• Neogene

• Lithofacies: Biotite rhyolite

• Distribution: Katashina river - Nabazawa creek, Katashina, Tone county, Gunma pref.; Sanegawa river, Hinoemata city, Minamiaizu county, Fukushima pref.

• Murayama and Kawata (1956) Hiuchi-dake, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 28p. (in Japanese with English abstract 4p.)