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SG-Kd18 Tephra

Abbr.: SG-Kd18

Invalid synonym: Sg

• Tephra
• Pleistocene
• Correlation: Kd18

• Lithofacies: Vitreous tephra

• Source: southern Tohoku region
• Thickness: 10 - 50 cm
• Host: Ozenji Formation

• Distribution: Sengen shrine, Sengen town, Nishi ward, Yokohama city, Kanagawa pref.; Takada town - Tsunashimahigashi, Kohoku ward, Yokohama city, Knagawa pref.

• Ueki et al. (2013) Geology of the Hachioji District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 137p. (in Japanese with English abstract 6p.)
• 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.)