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Horozuki Volcanic Rocks

• Volcanic rocks
• Pliocene
• Contemporaneous heterotopic facies: Genpachimori Formation

• Lithofacies: Rhyolite lava, Rhyolitic tuff - tuff breccia
• Lithofacies: Dacite lava, Dacitic tuff breccia, Dacite dyke

• Lower limit: Conformity (Genpachimori Formation)

• Distribution: Horozuki seashore, Horozuki, Imabetsu city, Higashitsugaru county, Aomori pref.; Tsunashirazu - Ishizaki - Takanozaki, Imabetsu city, Higashitsugaru county, Aomori pref.; Tairadate, Sotogahama city, Higashitsugaru county, Aomori pref.

• Uemura et al. (1959) Kanita, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 30p. (in Japanese with English abstract 5p.)
• Saito and Uemura (1957) Horozuki, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 26p. (in Japanese with English abstract 7p.)