[ Top ] [ Japanese ]

Higher Fluvial Terrace Deposits

• Coherent formation
• Pleistocene (before Last Glacial Period)

• Sedimentary facies: Fluvial
• Sedimentary facies (Lower, Minor): Lacustrine
• Lithofacies: Sands, Gravels
• Lithofacies (Lower, Lacustrine): Interbedded peat and silt

• Thickness: 5 - 30 m or thicker
• Thickness (Lower, Lacustrine): 1.5 m or thicker

• Distribution: Kirikubo - Ochikura - Aoni - Nodaira - Iimori, Hakuba city, Kitaazumi county, Nagano pref.; Tsugaike - Kutsukake - Warabidaira - Miyanoshita - Shiroyama - Shinden - Chikuni - Tateya, Otari city, Kitaazumi county, Nagano pref.

• Nakano et al. (2002) Geology of the Shiroumadake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 105p. (in Japanese with English abstract 5p.)