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Ata-Th Tephra

Abbr.: Ata-Th

• Tephra
• Pleistocene (238 ka, MIS 8 - 7)
• Correlation: Ha-3

• Source: Ata Caldera
• Host: Lower Agatsuma Loam, Kamiizumi Formation, Gumihara Formation

• Distribution: Higashiakasawa town, Toyohashi city, Aichi pref.

• Nakashima et al. (2008) Geology of the Toyohashi and Tahara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 113p. (in Japanese with English abstract 3p.)
• Nakazato and Nakazawa (2007) Jour. Geol. Soc. Japan, vol.113, no.12, pp.628-635 DOI