The Elbrook Formation is a geologic formation in West Virginia, Maryland, and Pennsylvania. It dates back to the Cambrian period. Fossils of trilobite fragments have been discovered, but they are rare. The Elbrook Formation is not considered fossiliferous.
| Elbrook Formation | |
|---|---|
| Stratigraphic range: Cambrian | |
| Type | Formation |
| Underlies | Conococheague Formation |
| Overlies | Waynesboro Formation |
| Location | |
| Region | Appalachia and Southeastern United States |
| Country | United States |
| Extent | Virginia[1] and West Virginia |
References
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