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Ag-MzP1 Tephra (Moriya, 1968) Suzuki, 1990

Abbr.: Ag-MzP1

Invalid synonym: P1, Nireki Pumice

• Tephra
• Pleistocene (ca. 65 ka; 59 - 56 ka, FT)
• Correlation: Ogo Pumice Flow Deposit

• Lithofacies: Volcanic ash

• Source: Akagi volcano
• Mode of eruption: Plinian
• Host: Takaragi Loam
• Thickness: 6 cm or thinner

• Distribution: Kamiyokota town, Utsunomiya city, Tochigi pref.; Tagawa river - Kinugawa river - Kurokawa river, Utsunomiya city, Tochigi pref.; Kaminokawa city, Kawachi county, Tochigi pref.

• Ito et al. (2022) Geology of the Kiryu and Ashikaga District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 101p. (in Japanese with English abstract 4p.)
• 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.)