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Bentenjima Rhyolite

• Type locality: Benten island, Oma city, Shimokita county, Aomori prefecture
• Intrusive rock?
• Miocene
• Intruded in: Oma Formation?

• Lithofacies: Rhyolite lava

• Distribution: Benten island, Oma city, Shimokita county, Aomori pref.

• Uemura (1962) Oma and Sai, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 39p. (in Japanese with English abstract 6p.)