| Chaochuan Formation | |
|---|---|
| Stratigraphic range: Albian-Cenomanian ~ | |
| Type | Formation |
| Underlies | Fangyan Formation |
| Overlies | Early Cretaceous tuff and Moshishan Group |
| Thickness | up to 518 metres (1,699 ft) |
| Lithology | |
| Primary | Sandstone, siltstone |
| Other | Tuff |
| Location | |
| Coordinates | 28°42′N 119°12′E / 28.7°N 119.2°E |
| Approximate paleocoordinates | 35°36′N 117°00′E / 35.6°N 117.0°E |
| Region | Zhejiang Province |
| Country |  China |
  Chaochuan Formation (China)  Chaochuan Formation (Zhejiang) | |
The Chaochuan Formation is a geologic formation in China (Zhejiang Province). It is made up of purplish red calcarenaceous, muddy siltstone, fine-grained sandstone with interbeds of tuffaceous sandstone and conglomerate or rhyolitic tuff.[1]
- ^ (2009) Chaochuan Formation. In: Zhang S. (eds) Geological Formation Names of China (1866–2000). Springer, Berlin, Heidelberg