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Miyamachi 1 Tephra Mizuno, 1999

• Tephra
• Pleistocene
• Correlation: Hazama Tephra

• Lithofacies: Vitreous volcanic ash

• Thickness: 30 cm
• Host: Miyamachi Member

• Distribution: Miyamachi, Shigaraki town, 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.)
• 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.)