Casselman Formation
| Use attributes for filter ! | |
| Regions | Appalachian Plateau |
|---|---|
| Named for | Casselman River |
| Named by | N. K. Flint, 1965 |
| Overlies | Glenshaw Formation |
| Underlies | Monongahela Formation |
| Primary | Shale |
| Siltstone | |
| Sandstone | |
| Coal | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2174032 |
About Casselman Formation
The Casselman Formation mapped sedimentary bedrock unit in Pennsylvania, Maryland, and West Virginia, of Pennsylvanian age. It is the uppermost of two formations in the Conemaugh Group, the lower being the Glenshaw Formation. The boundary between these two units is the top of the marine Ames Limestone.
