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Banjin Sand Kashiwazaki Plain Research Group, 1961

Invalid synonym: Yukinari Sand

• Type locality (Old): Cape Banjin, Kujiranami, Kashiwazaki city, Niigata prefecture
• Type locality (New): Saigenji, Kariwa city, Kariwa county, Niigata prefecture
• Coherent formation
• Older sand dune deposit
• late Pleistocene
• Correlation: Katamachi Sand Bed

• Sedimentary facies (Lower): Seashore, Shallow marine
• Lithofacies (Upper): Sands
• Lithofacies (Upper, Minor): Sandy silt
• Lithofacies (Lower): Sands
• Lithofacies (Lower, Minor): Silt, Clay
• Sedimentary structures (Upper): Parallel stratification
• Sedimentary structures (Lower): Cross stratification

• Thickness (Upper): 18 m or thinner
• Thickness (Lower): 13 m or thicker
• Upper limit: Unconformity (Arahama Sand Dune)
• Lower limit: Conformity (Yasuda Formation)

• Distribution: Saigenji, Kariwa city, Kariwa county, Niigata pref.; Kujiranami - Miyagawa, Kashiwazaki city, Niigata pref.
• Fossils: Diatoms (Freshwater)
• Tephra: NG, On-Kt

• Kobayashi et al. (1995) Geology of the Kashiwazaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 102p. (in Japanese with English abstract 4p.)