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Arg Tephra Kurokawa et al., 1989
Abbr.: Arg
- Type locality: Tazawa, Nishiyama town, Kashiwazaki city, Niigata prefecture
- Tephra
- Pliocene - Pleistocene
- Lithofacies: Vitreous volcanic ash
- Arg Tephra
- [ Upper ]
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- Arg-2
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- Arg-1
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Tazawa, Nishiyama town, Kashiwazaki city, Niigata pref.; Jorakuji, Izumozaki city, Santo county, Niigata pref.
- Kobayashi et al. (1993) Geology of the Izumozaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 91p. (in Japanese with English abstract 4p.)