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Byobugaura Tephra

• Tephra
• Pleistocene (1.0, 0.78, 0.77 Ma, FT)
• Correlation: Kasugadai, Yellow,

• Lithofacies: Volcanic ash

• Thickness: ca. 15 cm
• Host: Byobugaura Clay Bed

• Distribution: Hayashizaki town - Okubo town, Akashi city, Hyogo pref.

• Ozaki and Harayama (2003) Geology of the Takasago District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 87p. (in Japanese with English abstract 3p.)
• Ozaki et al. (1995) Geology of the Hojo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 101p. (in Japanese with English abstract 6p.)
• Mizuno et al. (1990) Geology of the Akashi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 90p. (in Japanese with English abstract 5p.)