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Isekigawa II Tephra
- Lithofacies: Volcanic ash
- Distribution: Kizu - Shimoumetani, Kizugawa city, Kyoto pref.
- Ozaki et al. (2000) Geology of the Nara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 162p. (in Japanese with English abstract 5p.)