Chaochuan Formation
The Chaochuan Formation is a geologic formation in China. It is made up of purplish red calcarenaceous, muddy siltstone, fine-grained sandstone with interbeds of tuffaceous sandstone and conglomerate or rhyolitic tuff.
Fossil content
The following fossils were reported from the formation:Dongyangopelta yangyanensis- Therizinosauridae indet.
- ''Zhejiangosaurus lishuiensis''