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Tomisuyama 4 Tephra

• Tephra
• Pleistocene

• Lithofacies: Volcanic ash

• Host: Tomisuyama Formation

• Distribution: Kaminishi, Ozu city, Ehime pref.

• Banno et al. (2010) Geology of the Ozu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 58p. (in Japanese with English abstract 2p.)