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Nt-OG Tephra Kanto Loam Research Group, 1965

Abbr.: Nt-OG

• Tephra
• Pleistocene (ca. 20 ka)

• Lithofacies: Scoriaceous lapilli

• Source: Nantai volcano
• Host: Tawara Loam

• Distribution: Ishizue, Takanezawa city, Shioya county, Tochigi pref.; Ashinuma town - Imazato town, Utsunomiya city, Tochigi pref.; Tagawa river, Tokujiro town - Yokoyama town, Utsunomiya city, Tochigi pref.; Kaminokawa city, Kawachi county, Tochigi pref.

• Yoshikawa et al. (2010) Geology of the Utsunomiya District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 79p. (in Japanese with English abstract 6p.)