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Yb5 Tephra Tokuhashi and Endo, 1984

Abbr.: Yb5

• Tephra
• Pleistocene
• Correlation: Go1

• Lithofacies: Pumice
• Sedimentary structures: Cross stratification

• Host: Yabu Formation
• Thickness: ca. 30 cm

• Distribution: Setama, 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.)