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Kitahata Landslide Deposits (Akabane et al., 1991) Yanagisawa et al., 2000

Invalid synonym: Kitahata Debris Flow Deposit

• Type locality: Kitahata, Iiyama city, Nagano prefecture
• Coherent formation
• middle Pleistocene

• Lithofacies (Upper): Sands, Gravels, Gravel-bearing silt, Volcanic ash
• Lithofacies (Lower): Debris flow deposit

• Thickness: 50 m
• Upper limit: Unconformity (middle Taniage Loam)
• Lower limit: Unconformity (Yashiki Formation)

• Distribution: Kitahata - Kiyokawa river - Sarakawa river, Iiyama city, Nagano pref.
• Tephra: Samizu Loam, Omachi APm

• Yanagisawa et al. (2000) Geology of the Iiyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 144p. (in Japanese with English abstract 6p.)