Chaochuan Formation
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.
| 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 | 28.7°N 119.2°E |
| Approximate paleocoordinates | 35.6°N 117.0°E |
| Region | Zhejiang Province |
| Country | China |
Chaochuan Formation (China) Chaochuan Formation (Zhejiang) | |
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