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BSc Tephra

Abbr.: BSc

• Tephra
• middle Pleistocene

• Lithofacies:

• Host: Middle Tephra
• Thickness: 30 cm

• Thickness: 10 - 15 cm

• Distribution: Nagano pref.

• Kato and Akahane (1986) Geology of the Nagano District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 120p. (in Japanese with English abstract 5p.)
• Kato (1980) Geology of the Sakaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 57p. (in Japanese with English abstract 5p.)