| Tuscarora Formation | |
|---|---|
| Stratigraphic range: Aeronian - Telychian[1] | |
 Outcrop of Tuscarora Formation in Thickhead Wild Area, Centre County, Pennsylvania | |
| Type | sedimentary |
| Sub-units | Castanea Member[2] |
| Underlies | Clinton Group and Rose Hill Formation |
| Overlies | Juniata Formation |
| Lithology | |
| Primary | quartzarenite (sandstone) |
| Other | conglomerate |
| Location | |
| Region | Appalachian Mountains |
| Extent | Maryland, Pennsylvania, Virginia, and West Virginia |
| Type section | |
| Named for | Tuscarora Mountain |
| Named by | Darton and Taff[3] |
The Silurian Tuscarora Formation — also known as Tuscarora Sandstone or Tuscarora Quartzite — is a mapped bedrock unit in Pennsylvania, Maryland, West Virginia, and Virginia, US.
- ^ Paleozoic Sedimentary Successions of the Virginia Valley & Ridge and Plateau
- ^ Faill, R.T., Glover, A.D., and Way, J.H., 1989, Geology and mineral resources of the Blandburg, Tipton, Altoona, and Bellwood quadrangles, Blair, Cambria, Clearfield and Centre Counties, Pennsylvania: Pennsylvania Geological Survey Topographic and Geologic Atlas, 4th series, 86, 209 p., scale 1:24,000 and 1:48,000
- ^ Darton, N.H., and Taff, J.A., 1896, Description of the Piedmont sheet (West Virginia-Maryland): U.S. Geological Survey Geologic Atlas of the United States, Piedmont folio, no. 28, 6 p.