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Owani Lacustrine Deposit Muraoka and Hase, 1990

• Type locality: Owani Ski field, Owani city, Minamitsugaru county, Aomori prefecture
• Coherent formation
• Pleistocene

• Sedimentary facies: Lacustrine
• Sedimentary facies: Talus deposit
• Lithofacies: Gravels, Silt

• Thickness: ca. 20 - 70 m
• Lower limit: Unconformity (Aoni Tuff)

• Distribution: Owani Ski field, Owani city, Minamitsugaru county, Aomori pref.; Mount Ajara, Hirakawa city - Owani city, Minamitsugaru county, Aomori pref.; Mount Obiraki, Owani city, Minamitsugaru county, Aomori pref.

• Muraoka and Hase (1990) Geology of the Kuroishi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 124p. (in Japanese with English abstract 8p.)