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Miyaoku 3 Tephra

• Tephra
• Pleistocene

• Lithofacies: Vitreous volcanic ash

• Thickness: 20 - 40 cm
• Host: Koda Formation

• Distribution: Kagawa pref.

• Noda et al. (2021) Geology of the Ikeda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 150p. (in Japanese with English abstract 5p.)