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Yokoyugawa Lake Deposit Akahane et al., 1992

• Type locality: Bunroku, Yamanouchi city, Shimoakai county, Nagano prefecture
• Coherent formation
• Dammed lake deposit
• middle - late Pleistocene (same time as Shiga Lake Deposit)

• Lithofacies: Sands, Gravels, Silt

• Thickness: 50 - 100 m
• Lower limit: Abut unconformity (Shiga Green Volcanic Rocks, Older Shigayama Volcanic Rocks, Intrusive rocks)

• Distribution: Bunroku - Ryuo creek - Otomi creek, Yamanouchi city, Shimoakai county, Nagano pref.

• Akahane et al. (1992) Geology of the Nakano District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 106p. (in Japanese with English abstract 4p.)