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Wada Tephra Kawabe, 1981

Wada Tephra in Osaka Group is different?

• Tephra
• Pliocene (0.34 Ma)
• Correlation: Ng-1, Kokawadera

• Lithofacies: Vitreous - Crystalline volcanic ash

• Thickness: 1.5 - 5 cm
• Host: Aburahi Member, Senpoku Formation, Upper part of Osaka Group

• Distribution: Wada, Koka city, Shiga pref.; Wada, Sakai city, Osaka 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.)
• Miyachi et al. (1998) Geology of the Osaka-Tonambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 113p. (in Japanese with English abstract 5p.)
• Itihara et al. (1986) Geology of the Kishiwada District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 148p. (in Japanese with English abstract 7p.)