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Aikigawa Mudflow Deposit

• Type locality: Aikigawa river, Komi city, Manamisaku county, Nagano prefecture
• Coherent formation
• Pleistocene

• Sedimentary facies: Mudflow deposit

• Upper limit: Unconformity (Hikage Formation, Kagikake Formation, Miyanoshita Formation)
• Lower limit: Unconformity (Kasuga Volcanic Rocks, Taya Gravels)

• Distribution: Aikigawa river - Kawadaira - Ichinosawa - Honmakami, Komi city, Minamisaku county, Nagano pref.; Horidaira, Minamiaiki city, Minamisaku county, Nagano pref.; Kubo, Kitaaiki city, Minamisaku county, Nagano pref.

• Kawachi (1974) Geology of the Tateshinayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 5p.)