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Sh Tephra

Abbr.: Sh

• Type locality: Shirahata, Nakahara town, Isogo ward, Yokohama city, Kanagawa prefecture
• Tephra
• Pleistocene
• Correlation: Srt-SK100

• Lithofacies: Silty tuff
• Lithofacies (Basal): Scoria

• Thickness: 2 - 5 cm
• Thickness (Basal): 0.5 - 1 cm
• Host: Nakazato Formation

• Distribution: Nakahara town - Mine town - Tanaka town - Sugita town - Mori town, Isogo ward, Yokohama city, Kanagawa pref.; Koshiba seashore, Shiba town, Kanazawa ward, Yokohama city, Kanagawa pref.; Yabe 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.)