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Kawahara Tephra Yokoyama, 1971

• Type locality: Tagirigawa river, Kawahara, Hokusei town, Inabe city, Mie prefecture
• Tephra
• Pliocene

• Lithofacies: Volcanic ash
• Lithofacies (Lower, Minor): Lignite

• Host: Kono Formation, Ichinohara Formation
• Thickness (Upper): 1 m
• Thickness (Lower): ca. 2.5 m

• Distribution: Kawahara - Senjikureshinden - Hatake - Kainogawa river, Hokusei town, Inabe city, Mie pref.

• Takada et al. (1979) Geology of the Tsushima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 56p. (in Japanese with English abstract 5p.)