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KRu Tephra Kawabe et al., 1981

Abbr.: KRu

Invalid synonym: KR

• Type locality: Kasugadai, Katsuura city, Chiba prefecture
• Tephra
• Pleistocene

• Lithofacies: Glassy

• Host: Katsuura Formation
• Thickness: 30 cm

• Distribution: Kasugadai, Katsuura city, Chiba pref.; Matsube, Katsuura city, Chiba pref.

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