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Sugadaira Lake Deposits

• Type locality: Obora, Sugadairakogen, Ueda city, Nagano prefecture
• Coherent formation
• Pleistocene

• Sedimentary facies: Lacustrine
• Lithofacies: Peat, Mud, Sands
• Lithofacies (Minor): Andesite gravels

• Distribution: Obora, Sugadairakogen, Ueda city, Nagano pref.

• Ota and Katada (1955) Suzaka, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 54p. (in Japanese with English abstract 6p.)