 |
| Copper Harbor Conglomerate | |
|---|---|
| Stratigraphic range: Proterozoic | |
 Copper from the Copper Harbor Conglomerate | |
| Type | Formation |
| Unit of | Oronto Group |
| Underlies | Nonesuch Shale |
| Overlies | Precambrian crystalline basement rocks |
| Location | |
| Region | Michigan and Wisconsin |
| Country | United States |
The Copper Harbor Conglomerate is a geologic formation in Michigan. It is part of the larger Oronto Group and its formation dates to the Stenian period of the Proterozoic.
