| Lime Island Formation | |
| Type: | Formation |
| Age: | Silurian |
| Period: | Silurian |
| Region: | Michigan |
| Country: | United States |
| Unitof: | Burnt Bluff Group |
| Underlies: | Byron Formation |
| Overlies: | Cabot Head Shale |
The Lime Island Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.