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Hm Tephra

Abbr.: Hm

• Tephra
• Pleistocene
• Correlation: HM-Kd16

• Lithofacies: Vitreous volcanic ash

• Thickness: 200 cm
• Host: Takatsu Formation

• Distribution: Hisamoto town, Takatsu ward, Kawasaki city, Kanagawa pref.; Nagao, Tama ward, Kawasaki 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.)