| Manassas Sandstone | |
| Type: | Geological formation |
| Age: | Carnian |
| Period: | Carnian |
| Prilithology: | Sandstone, shale |
| Region: | Virginia |
| Coordinates: | 38.9°N -77.7°W |
| Paleocoordinates: | 13.2°N -22°W |
| Unitof: | Chatham Group |
The Manassas Sandstone is a Carnian Stage sandstone geological formation in Virginia, United States.
The Carnian Stage is part of the Triassic System of the Mesozoic.
Fossil theropod tracks have been reported from the formation.[1]