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Ks22 Tephra

Abbr.: Ks22

• Tephra
• Pleistocene (0.6 - 0.53 Ma, FT)
• Correlation: KMT

• Lithofacies: Vitreous tephra

• Host: Kasamori Formation

• Distribution: Minowa, Mobara city, Chiba pref.

• Nanayama et al. (2016) Geology of the Mobara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 101p. (in Japanese with English abstract 4p.)
• Tokuhashi and Endo (1984) Geology of the Anesaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 6p.)