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Taihata Formation

• Type locality: Shinmei road, Suma ward, Kobe city, Hyogo prefecture
• Coherent formation
• Eocene - Oligocene
• Correlation: Iwaya Formation

• Sedimentary facies: Fluvial
• Sedimentary facies (Minor): Marine
• Sedimentary facies (Minor): Bay mouth, Open sea
• Depth of water: Tidal zone - ca. 60 m
• Lithofacies: Sandstone, Mudstone
• Lithofacies (Minor): Conglomerate, Tuff

• Thickness: 90 m or thicker

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

• Distribution: Shinmei road -- Shimohata tunnel, Kobe city, Hyogo pref.; Awaji city, Hyogo pref.
• Fossils (Shellfishes): Anadara sp., Barbatia sp., Callista sp., Calyptraea tubura, Clementia sp., Cultellus izumoensis, Cycladicama cfr. takeyamai, Cyclina cf. jobonica, Cyclina takayamai, Lucinoma sp., Macoma sp., Mactromeris cf. nagakoensis, Natica sp., Ostrea sp., Trapezium (Neotrapezium) sp.
• Fossils (Plants): Cinnamomum sp., Equisetum sp., Ficus? sp., Metasequoia sp., Osmunda sp., Platanus sp., Salix sp., Woodwardia sp., Ulmus sp.

• 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.)
• Huzita and Maeda (1984) Geology of the Suma District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 101p. (in Japanese with English abstract 7p.)
• Huzita and Kasama (1983) Geology of the Kobe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 115p. (in Japanese with English abstract 8p.)