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Older Fan Deposits

• Coherent formation
• Pleistocene
• Correlation: Hirooka Gravels

• Sedimentary facies: Fluvial
• Lithofacies: Gravels

• Thickness: 50 m or thicker
• Lower limit: Unconformity (Tokai Group)

• Distribution: northern flank of Mount Enasan, Nakatsugawa city, Gifu pref.

• Yamada and Murayama (1958) Tsumago, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 31p. (in Japanese with English abstract 9p.)