| Byron Formation | |
| Type: | Formation |
| Age: | Silurian |
| Period: | Silurian |
| Region: | Michigan and Wisconsin |
| Country: | United States |
| Unitof: | Burnt Bluff Group |
| Underlies: | Hendricks Formation |
| Overlies: | Lime Island Formation |
The Byron Formation is a geologic formation in Michigan and Wisconsin.[1] It preserves fossils dating back to the Silurian period.