Llewellyn Formation
| Use attributes for filter ! | |
| Primary | Sandstone |
|---|---|
| Sub-units | none (most economic coal beds are named) |
| Named for | Llewellyn |
| Overlies | Pottsville Formation |
| Regions | North America |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2174006 |
About Llewellyn Formation
The Llewellyn Formation is a mapped bedrock unit in eastern Pennsylvania. It was previously known as the "coal measures" and the post-Pottsville rocks. The formation is named for the community of Llewellyn in Schuylkill County.