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Nagao Sandstone Member Takiguchi, 1975 ex Kitamura et al., 1983

• Type locality: Nagao, Matsuyama, Osaki city, Miyagi prefecture
• Coherent formation
• late Miocene

• Lithofacies: Pumice tuff, Tuffaceous sandstone
• Lithofacies (Basal, Minor): Conglomerate

• Thickness: 0 - 20 m

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Nagao, Matsuyama, Osaki city, Miyagi pref.
• Fossils: Shellfishes

• Kitamura et al. (1983) Geology of the Yoshioka District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 50p. (in Japanese with English abstract 5p.)