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Wada Tephra Kawabe, 1981

• Tephra
• Pliocene
• Correlation: Ng-1

• Lithofacies: Vitreous volcanic ash

• Thickness: 1.5 - 3 cm
• Host: Aburahi Member, Upper part of Osaka Group

• Distribution: Wada, Koka city, Shiga pref.

• Nakano et al. (2003) Geology of the Minakuchi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 83p. (in Japanese with English abstract 3p.)
• Miyachi et al. (2001) Geology of the Osaka-Tohokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 130p. (in Japanese with English abstract 6p.)
• Ozaki et al. (2000) Geology of the Nara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 162p. (in Japanese with English abstract 5p.)