The Marshall Sandstone is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period.
| Marshall Sandstone | |
|---|---|
| Stratigraphic range: Mississippian | |
| Type | Formation |
| Underlies | Michigan Formation |
| Overlies | Coldwater Shale |
| Location | |
| Region | Michigan |
| Country | United States |

References
editThis article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (October 2023) |
- John Alroy (ed.). "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.