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NT Tephra Yamamoto, 1999

Abbr.: NT

• Tephra
• late Pleistocene
• Correlation: Ag-MzP5 Tephra

• Lithofacies: Volcanic ash

• Thickness: 5 - 18 cm
• Source: Southeastern direction

• Distribution: Lake Tsurugaike - Nakayama pass, Shimogo city, Minamiaizu county, Fukushima pref.; Nagano, Tajima, Minamiaizu city, Minamiaizu county, Fukushima pref.

• Yamamoto (1999) Geology of the Tajima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 8p.)