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Hikarigahara Landslide Deposits Yanagisawa et al., 2000

• Type locality: Hikarigahara farm, Itakura ward, Joetsu city, Niigata prefecture
• Coherent formation
• middle Pleistocene

• Lithofacies: Breccia

• Thickness: ca. 150 m
• Distribution (Length): 2.5 km
• Distribution (Width): 2 km
• Upper limit: Unconformity (Oshika Scoria Group, My-Hb)

• Distribution: Hikarigahara farm, 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.)