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Fr Tephra

Abbr.: Fr

• Tephra
• Pleistocene

• Lithofacies: Vitreous tephra, Pumice

• Thickness: 100 cm
• Host: Ozenji Formation, Kakio Formation, Inagi Formation

• Distribution: Furusawa, Aso ward, Kawasaki city, Kanagawa pref.; Fujigaoka - Ikebe town, Midori ward, Yokohama city, Kanagawa pref.

• Oka et al. (1984) Geology of the Tokyo-Seinambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 148p. (in Japanese with English abstract 7p.)