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Ks20.5 Tephra

Abbr.: Ks20.5

• Tephra
• Pleistocene

• Lithofacies: Scoria

• Host: Kasamori Formation
• Thickness:

• Distribution: 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.)