| Vilquechico Formation | |
|---|---|
| Stratigraphic range: Late Campanian-Late Maastrichtian ~ | |
| Type | Geological formation |
| Underlies | Auzangate Formation |
| Overlies | Ayabacas Formation |
| Lithology | |
| Primary | Sandstone |
| Other | Shale |
| Location | |
| Coordinates | 15°13′03″S 69°40′56″W / 15.21750°S 69.68222°W |
| Region | Puno Department |
| Country | Peru |
| Type section | |
| Named for | Vilquechico |
Paleogeography of Northern South America, 65 Ma by Ron Blakey | |
The Vilquechico Formation is a Late Campanian to Late Maastrichtian geologic formation in southern Peru. Fossil ornithopod tracks have been reported from the formation. The formation overlies the Ayabacas Formation and is overlain by the Auzangate Formation.
In the formation, tracks of the following species have been found: