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Niugawa Tephra Yoshida et al, 1991

• Type locality: Niugawa river, Daian town, Inabe city, Mie prefecture
• Tephra
• Pliocene - Pleistocene

• Lithofacies: Volcanic ash
• Sedimentary structures (Basal): Parallel stratification

• Host: Oizumi Formation
• Thickness: 40 - 50 cm

• Distribution: Niugawa river, Daian town, Inabe city, Mie pref.

• Yoshida et al. (1991) Geology of the Kuwana District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 154p. (in Japanese with English abstract 5p.)