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H 2 Tephra

Abbr.: H 2

• Tephra
• Pleistocene

• Lithofacies: Vitreous volcanic ash

• Thickness: 150 - 230 cm
• Host: Tsurukawa Formation, Kamihoshikawa Formation, Koshiba Formation

• Distribution: Hoshikawa town, Hodogaya ward, Yokohama city, Kanagawa pref.; Komaoka town, Tsurumi 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.)
• 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.)