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Meoto Tuff Metalic Minerals Exploration Agency of Japan, 1970

• Tephra
• Miocene (14.3 Ma, FT)

• Sedimentary facies: Marine
• Sedimentary facies: Submarine pyroclastic flow deposits
• Lithofacies: Felsic tuff (2 flow units)

• Thickness (Upper): 2 m
• Thickness (Lower): 6 m
• Host: Ushikiri Formation

• Distribution: Taisha town - Imaichi town, Izumo city, Shimane pref.

• Kano et al. (1998) Geology of the Taisha District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 58p. (in Japanese with English abstract 3p.)
• Kano et al. (1994) Geology of the Matsue District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 126p. (in Japanese with English abstract 5p.)
• Kano et al. (1991) Geology of the Imaichi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 79p. (in Japanese with English abstract 5p.)