Old Port Formation
| Use attributes for filter ! | |
| Regions | Appalachian Mountains |
|---|---|
| Overlies | Keyser Formation |
| Underlies | Onondaga Limestone |
| Primary | Limestone |
| Sandstone | |
| Music groups | Reedsville Formation |
| Tuscarora Sandstone | |
| Mifflintown Formation | |
| Bellefonte Formation | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3093928 |
About Old Port Formation
The Devonian Old Port Formation is a mapped bedrock unit in Pennsylvania, USA. Details of the type section and of stratigraphic nomenclature for this unit as used by the U. S. Geological Survey are available on-line at the National Geologic Map Database.
