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T3.5 Tephra Nagamori et al., 2003

Abbr.: T3.5

• Type locality: Sarumaru, Togakushi, Nagano city, Nagano prefecture
• Tephra
• Pliocene - early Pleistocene

• Lithofacies: Tuff

• Host: Sarumaru Formation
• Thickness: 8 m or thicker

• Distribution: Sarumaru, Togakushi, Nagano city, Nagano pref.

• Nagamori et al. (2003) Geology of the Togakushi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 109p. (in Japanese with English abstract 3p.)