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Kap Tephra Kazaoka, 1988

Abbr.: Kap

• Type locality: Kamiebiike, Matsunoyama, Tokamachi city, Niigata prefecture
• Tephra
• Pleistocene

• Lithofacies: Volcanic ash
• Sedimentary structures (Upper): Parallel stratification
• Sedimentary structures (Lower): Trough cross-stratification

• Host: Uonuma Formation
• Thickness: ca. 3 m

• Distribution: Kamiebiike, Matsunoyama, 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.)