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Ot2 Tephra

Abbr.: Ot2

Invalid synonym: Omt

• Tephra
• middle Miocene (9.5 Ma, FT)

• Lithofacies: Tuff
• Lithofacies (Minor): Tuffaceous siltstone, Tuffaceous sandstone

• Thickness: 10 m or thinner
• Host: Yoshikura Mudstone Member, Iwaodaki Tuffaceous Sandstone Member

• Distribution: Kamiyata, Tsubata city, Kahoku county, Ishikawa pref.;
• Fossils: Echinoids

• Nakajima et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.7, pp.483-516 DOI
• Sumi et al. (1989) Geology of the Isurugi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 118p. (in Japanese with English abstract 5p.)