| Fangyan Formation | |
|---|---|
| Stratigraphic range: Late Cretaceous, | |
| Type | Formation | 
| Underlies | Chaochuan Formation and Moshishau Group | 
| Overlies | Guantou Formation and Zhaochuan Formation | 
| Thickness | up to 1,700 metres (5,600 ft) | 
| Lithology | |
| Primary | Conglomerate | 
| Location | |
| Country | China | 
The Fangyan Formation is a geologic formation in China (Dongyang). It is made up of mainly conglomerates. It preserves dinosaur fossils dating back to the Late Cretaceous. [1]