Waynesboro Formation | |
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Stratigraphic range: Cambrian | |
Type | Formation |
Sub-units | Red Run Member, Cavetown Member, and Chewsville Member |
Underlies | Elbrook Formation |
Overlies | Tomstown Dolomite |
Lithology | |
Primary | sandstone, dolomite, limestone |
Other | siltstone, shale |
Location | |
Region | Appalachia and Southeastern United States |
Country | United States |
Extent | Virginia,[1] Maryland, Pennsylvania, and West Virginia |
Type section | |
Named for | Waynesboro, Pennsylvania[2] |
The Waynesboro Formation is a limestone, dolomite, and sandstone geologic formation in Virginia, Maryland, Pennsylvania and West Virginia.[2][3][4][5] In some areas it is composed of limestone and dolomite.[4] The Waynsboro Formation is one of the formations that make up the Shenandoah Valley. It dates back to the Cambrian period and is not considered fossiliferous.[3]