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TT-2 Tephra Moriya et al., 2008

Abbr.: TT-2

• Type locality: Shinjo basin, Yamagata prefecture
• Tephra
• Pleistocene (4.3, 4.0 Ma, FT)

• Lithofacies: Pumiceous pyroclastic flow deposit
• Lithofacies (Upper): Sandy - silty tuff
• Sedimentary structures (Upper): Parallel stratification, Cross stratification

• Thickness: 2 - 14 m
• Host: Sakekawa Formation

• Distribution: Fujitazawa, Shimizu, Okura city, Mogami county, Yamagata pref.

• Moriya et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.1, pp.1-15 DOI