[ Top ] [ Japanese ]
Iwaya Formation
- Type locality: Eshima island, Iwaya, Awaji city, Hyogo prefecture
- Coherent formation
- Eocene - Oligocene
- Correlation: Taihata Formation
- Sedimentary facies: Marine
- Lithofacies: Sandstone
- Kobe Group (Awajishima island, Hyogo pref.)
- [ Upper ]
- ~~~~~~~~~~~~~~
- Iwaya Formation
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Eshima island, Iwaya, Awaji city, Hyogo pref.
- Fossils (Shellfishes): Acila sp., Calyptraea tubura, Mactra sp., Musashia yanagidaniensis, Ostrea sp., Oxyperas sp., Siphonalia? sp., Solen sp., Turritella kiiensis
- 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.)