| Rockwell Formation | |
|---|---|
| Stratigraphic range: Late Devonian to Early Mississippian | |
 Rockwell Formation at Sideling Hill, I-68 roadcut | |
| Type | Sedimentary |
| Sub-units | Finzel Tongue,[1] Patton Shale, Riddlesburg Shale[2] |
| Underlies | Pocono Formation and Purselane Sandstone |
| Overlies | Hampshire Formation |
| Thickness | 500 to 540 feet in WV,[3] 540 to 550 feet at Sideling Hill[4] |
| Lithology | |
| Primary | Sandstone, shale, conglomerate |
| Location | |
| Region | Appalachian Mountains |
| Extent | West Virginia, Maryland, Pennsylvania |
| Type section | |
| Named for | Rockwell Run, West Virginia |
| Named by | Stose and Swartz, 1912[3] |
The Rockwell Formation is a late Devonian and early Mississippian mapped bedrock unit in West Virginia, Maryland, and Pennsylvania, in the United States.
- ^ Dennison, J.M., Beuthin, J.D., and Hasson, K.O., 1986, Latest Devonian-earliest Carboniferous marine transgressions central and southern Appalachians, USA, IN Bless, M.J., and Streel, M., eds., Late Devonian events around the Old Red Continent; field conference in Aachen (FRG), with excursions in the Ardenne (Belgium), the Rheinisches Schiefergebirge (FRG) and in Moravia (USSR): Annales de la Societe Geologique de Belgique, Aachen, Federal Republic of Germany, April 6–14, 1986, v. 109, no. 1, p. 123-129.
- ^ Cite error: The named reference
KammerBjerstedt1986was invoked but never defined (see the help page). - ^ a b Stose, G.W., and Swartz, C.K., 1912, Description of the Pawpaw and Hancock quadrangles (Maryland-West Virginia-Pennsylvania): U.S. Geological Survey Geologic Atlas of the United States, Pawpaw-Hancock folio, no. 179, p. 24.
- ^ Cite error: The named reference
Vokes1957was invoked but never defined (see the help page).