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Sa-7 Tephra

Abbr.: Sa-7

• Tephra
• Pleistocene
• Correlation: HBP, Hy3 (Jizodo Formation)

• Lithofacies: Tuff

• Thickness: ca. 20 cm
• Host: Sannodai Loam

• Distribution: Maeda town, Totsuka ward, Yokohama city, Kanagawa pref.

• Mitsunashi and Kikuchi (1982) Geology of the Yokohama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 105p. (in Japanese with English abstract 4p.)