Tangbian Formation
| Tangbian Formation | |
|---|---|
| Stratigraphic range: Late Cretaceous, | |
| Type | Geological formation |
| Unit of | Guifeng Group |
| Underlies | Lianhe Formation |
| Overlies | Hekou Formation |
| Thickness | 240–3,060 m (790–10,040 ft) |
| Lithology | |
| Primary | purplish red sandstone, siltstone, and mudstone |
| Location | |
| Coordinates | 26°9′N 116°4′E / 26.150°N 116.067°E |
| Region | Jiangxi Province |
| Country | China |
The Tangbian Formation is a geological formation in Jiangxi Province, east China. While its absolute age is uncertain, it has been estimated to represent Late Cretaceous (Campanian age) sediments. Dinosaur bones and eggs are among the fossils recovered from the formation.