Lockatong Formation
| Lockatong Formation | |
|---|---|
| Stratigraphic range: mid-Norian, | |
| Type | Geological formation |
| Unit of | Newark Supergroup |
| Sub-units | Walls Island Member (in part), Tumble Falls Member, Smith Corner Member, Prahls Island Member, Tohickon Member, Skunk Hollow Member, Byram Member, Ewing Creek Member, Nursery Member, Princeton Member, Scudders Falls Member, Wilburtha Member |
| Underlies | Passaic Formation |
| Overlies | Stockton Formation |
| Lithology | |
| Primary | Mudstone |
| Other | Sandstone, conglomerate |
| Location | |
| Region | Pennsylvania, New Jersey, New York |
| Country | United States |
| Type section | |
| Named for | Lockatong Creek |
The Lockatong Formation is a Late Triassic geological formation in the Newark Basin of Pennsylvania, New Jersey, and New York. It is named after the Lockatong Creek in Hunterdon County, New Jersey.