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Ks8.4B Tephra Nanayama et al., 2016

Abbr.: Ks8.4B

• Tephra
• Pleistocene
• Correlaton: Kh6b, Mozume Pyroclastic Flow Deposit (Miyagi pref.)

• Lithofacies: Vitreous tephra

• Source: Onikobe caldera
• Host: Kasamori Formation
• Thickness: ca. 10 cm

• Distribution: Shimoota - Honno, 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.)