References
- Trexler, D., 2001, Two Medicine Formation, Montana: geology and fauna: In: Mesozoic Vertebrate Life, edited by Tanke, D. H., and Carpenter, K., Indiana University Press, pp. 298–309.
| Virgelle Sandstone | |
|---|---|
| Type | Geological formation |
| Underlies | Two Medicine Formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Region | Montana |
| Country | United States |
The Virgelle Sandstone is a geologic formation overlain by the Two Medicine Formation. [1] It formed from the beach sands exposed on northern and western shores of the receding Colorado Sea. [1]
