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Konan Tephra Nakazato and Nakazawa, 2007
- Type locality: Bunnashi, Fukaya city, Saitama prefecture
- Tephra
- Pleistocene
- Correlation: lower part of In-Ny Tephra Group
- Distribution: Bunnashi, Fukaya city, Saitama pref.
- Nakazato and Nakazawa (2007) Jour. Geol. Soc. Japan, vol.113, no.12, pp.628-635 DOI