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Ftp Tephra

Abbr.: Ftp

• Type locality: Niigata prefecture
• Tephra
• Pliocene (3.83 Ma, FT)

• Lithofacies:

• Host: Kakuma Formation

• Distribution: Niigata pref.

• Kobayashi et al. (1991) Geology of the Nagaoka District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 132p. (in Japanese with English abstract 6p.)