Grayson Formation
| Grayson Formation | |
|---|---|
| Stratigraphic range: Cretaceous | |
| Type | Formation | 
| Underlies | Buda Limestone | 
| Overlies | Georgetown Formation, Devils River Limestone | 
| Location | |
| Region | Texas | 
| Country | United States | 
The Grayson Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.