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Yb0 Tephra Tokuhashi and Endo, 1984

Abbr.: Yb0

• Tephra
• Pleistocene

• Lithofacies: Volcanic ash

• Host: Yabu Formation
• Thickness: ca. 10 cm

• Distribution: Yuna, Kisarazu city, Chiba pref.; Minamiiwasaki, Ichihara city, Chiba pref.

• 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.)