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Ag-MzP7 Tephra (Moriya, 1968) Suzuki, 1990

Abbr.: Ag-MzP7

Invalid synonym: P7

• Tephra
• Pleistocene (ca. 120 ka)
• Correlation: Fujiki Pumice Flow Deposit

• Sedimentary facies: Lahar deposit
• Lithofacies: Pumice
• Sedimentary structures: Parallel stratification

• Source: Akagi volcano
• Host: Shimotsuke-Osawa Terrace Deposit
• Thickness: 35 cm

• Distribution: Omuro - Noguchi, Nikko city, Tochigi pref.; Imaichi alluvial fan, Imaichi city, Tochigi pref.; Ishinada town, Utsunomiya city, Tochigi pref.; Tsukabara, Odaka ward, Minamisoma city, Fukushima 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.)