| Queguay Formation | |
|---|---|
| Stratigraphic range: Late Cretaceous-Paleocene ~ | |
| Type | Geological formation |
| Overlies | Asencio Formation |
| Lithology | |
| Primary | limestone |
| Location | |
| Country |  Uruguay |
| Type section | |
| Named for | Queguay River, Uruguay |
The Queguay Formation is a geologic formation in Uruguay.[1]
It consists of a lithological group composed of calcareous, calc-siliceous and siliceous rocks, of pedogenic or subterranean origin. It is formed by white and whitish limestones, massive, sandy and brecciated.