[ Top ] [ Japanese ]

Kaisaka Terrace Deposit Shinano River Terrace Research Group, 1968

• Type locality: Kaisaka, Tsunan city, Nakauonuma county, Niigata prefecture
• Coherent formation
• Terrace deposit
• Pleistocene (ca. 50 ka)
• Correlation: T₅ Terrace Deposit

• Lithofacies: Sands, Gravels
• Sedimentary structures: Imbrication
• Paleocurrent: from South

• Thickness: 7 - 14 m
• Upper limit: Unconformity (Kaisaka Loam)
• Lower limit: Unconformity (Uonuma Formation)

• Distribution: Kaisaka - Funayama - Oidaira, Tsunan city, Nakauonuma county, Niigata pref.; Shinano river, Tokamachi city, Niigata pref.

• Takeuchi et al. (2000) Geology of the Matsunoyama Onsen District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 76p. (in Japanese with English abstract 5p.)
• Shimazu and Tateishi (1993) Geology of the Naebasan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 90p. (in Japanese with English abstract 5p.)