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J3 Tephra Tokuhashi and Endo, 1984

Abbr.: J3

Invalid synonym: Hy4, Kn-1

• Tephra
• Pleistocene
• Correlation: Kn-1

• Lithofacies: Volcanic ash

• Host: Jizodo Mollusca Bed
• Thickness: ca. 40 cm

• Distribution: 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.)