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Konigori Formation Nakamura, 1982

• Type locality: Konigori, Myoko city, Niigata prefecture
• Coherent formation
• early Pleistocene

• Lithofacies: Conglomerate, Sandstone
• Lithofacies (Bottom): Andesitic sandstone
• Lithofacies (Minor): Tuffaceous siltstone

• Thickness: 15 - 30 m
• Thickness (Bottom): 5 - 6 m
• Lower limit (Saruhashi Conglomerate Member): Bottom of andesitic sandstone bed overlying conglomerate bed
• Lower limit: Unconformity (Saruhashi Conglomerate Member, Tomikura Formation)

• Distribution: Konigori, Myoko city, Niigata pref.; Nishikaiya, Itakura ward, Joetsu city, Niigata pref.

• 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.)