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Onbegawa Tephra Miyamura et al., 1981

• Type locality: Onbegawa river, Kameyama city, Mie prefecture
• Tephra
• Pliocene - Pleistocene
• Correlation: Kawashima II Tephra

• Lithofacies: Volcanic ash
• Sedimentary structures: Parallel foliation

• Host: Upper Member
• Thickness: 2 m or thicker

• Distribution: Onbegawa river, Kameyama city, Mie pref.; Ifuna town - Kitajo - Yashimagawa river - Minamibata, Suzuka city, Mie pref.

• Miyamura et al. (1981) Geology of the Kameyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 128p. (in Japanese with English abstract 9p.)