| Une Formation | |
|---|---|
| Stratigraphic range: Albian-Cenomanian ~ | |
| Type | Geological formation |
| Unit of | Villeta Group |
| Underlies | Chipaque Formation |
| Overlies | Fómeque Fm., Tibasosa Fm. |
| Thickness | up to 1,100 m (3,600 ft) |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 4°27′07″N 74°03′20″W / 4.45194°N 74.05556°W |
| Region | Altiplano Cundiboyacense Eastern Ranges, Andes |
| Country |  Colombia |
| Type section | |
| Named for | Une |
| Named by | Hubach |
| Location | Une |
| Year defined | 1957 |
| Coordinates | 4°27′07″N 74°03′20″W / 4.45194°N 74.05556°W |
| Region | Cundinamarca, Boyacá |
| Country | Colombia |
 Paleogeography of Northern South America 105 Ma, by Ron Blakey | |
The Une Formation (Spanish: Formación Une, Kiu) is a geological formation of the Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes. The predominantly sandstone formation dates to the Middle Cretaceous period; Albian to Cenomanian epochs and has a maximum thickness of 1,100 metres (3,600 ft).