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Jizodake Rhyolite

• Volcanic rocks
• Miocene?
• Intruded in: Ashio Belt

• Lithofacies: Rhyolite

• Upper limit: Unconformity (Jizodake Dacite)

• Distribution: Mount Jizodake, Kamikasuo, Kanuma city, Tochigi pref.

• Kawata and Ozawa (1955) Ashio, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 57p. (in Japanese with English abstract 7p.)