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Shitoori Tephra (Inada, 1986) Mizuno, 1992

• Type locality: Nagata, Shitoori, Sumoto city, Hyogo prefecture
• Tephra
• Pleistocene
• Correlation: Asashiro, Asano 2

• Lithofacies (Upper): Vitreous volcanic ash
• Lithofacies (Middle): Crystalline volcanic ash
• Lithofacies (Lower): Vitreous volcanic ash

• Host: Aihara Member
• Thickness: 50 - 300 cm

• Distribution: Shizuki - Nakada - Kisokami, Awaji city, Hyogo pref.; Tsushi - Kamisakai - Torikai - Shitoori - Nagata - Aiga town - Nakakawara town - Kaminaizen, Sumoto city, Hyogo pref.

• Takahashi et al. (1992) Geology of the Sumoto District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 107p. (in Japanese with English abstract 5p.)