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J4 Tephra Tokuhashi and Endo, 1984
Abbr.: J4
- Tephra
- Pleistocene
- Correlation: HBP, TE-5, Hy3
- Lithofacies: Tephra
- Sedimentary structures: Graded bedding
- 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.)