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Ag-OK Tephra
Abbr.: Ag-OK
Invalid synonym: Ag-MzP3
- Tephra
- Pleistocene (ca. 75 ka)
- Lithofacies: Pyroclastic deposit
- Distribution: Gunma pref.; Lake Tsurugaike - Ono river, Shimogo city, Minamiaizu county, Fukushima pref.; Nagano, Tajima, Minamiaizu city, Minamiaizu county, Fukushima pref.
- Ito et al. (2022) Geology of the Kiryu and Ashikaga District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 101p. (in Japanese with English abstract 4p.)
- Yamamoto et al. (2006) Geology of the Kitakata District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 63p. (in Japanese with English abstract 5p.)
- Yamamoto (1999) Geology of the Tajima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 8p.)