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Seiganji-Toga Tephra

Abbr.: Se-Tg

Invalid synonym: Ch2

• Tephra
• Pleistocene (0.65 - 0.61 Ma; 0.57 Ma, FT)
• Correlation: Yk12 (Choshi, Chiba), Uw-20, Okago Tuff (Hiroshima pref.)

• Source: central Kushu island, Japan
• Host: Chonan Formation, Honmachi Formation, Mitsuhama Formation

• Distribution: Boso peninsula, Chiba pref.

• Tamura et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.1, pp.23-39 DOI