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Ag-NM1 Tephra Suzuki, 1990

Abbr.: Ag-NM1

• Tephra
• Pleistocene (ca. 52 ka)
• Correlation: Nagumo Pumice Flow Deposit

• Lithofacies: Volcanic ash
• Lithofacies (Minor): Lapilli

• Source: Akagi volcano
• Mode of eruption: Plinian
• Thickness: 20 cm or thinner

• Distribution: 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.)