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Aina flora

• Strata: Aina Formation
• late Eocene - early Oligocene

• Climate: Cooler than Warm temperate
• Climate: Deciduous broad-leaved forest

• [ Index fossils ]

• Ozaki et al. (1995) Geology of the Hojo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 101p. (in Japanese with English abstract 6p.)