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Oroshi Tephra

• Tephra
• Miocene (13.1 Ma, FT; 10.6 Ma, U-Pb)

• Lithofacies: Tephra

• Host: Tokiguchi Porcelain Clay Formation

• Distribution: Gifu pref.

• Yamasaki et al. (2020) Geology of the Akechi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 120p. (in Japanese with English abstract 5p.)