| Lockatong Formation | |
|---|---|
| Stratigraphic range: Norian-early Rhaetian, [1] | |
| 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 Triassic Lockatong Formation is a mapped bedrock unit in Pennsylvania, New Jersey, and New York. It is named after the Lockatong Creek in Hunterdon County, New Jersey.
- ^ Kent, Dennis V.; Olsen, Paul E.; Muttoni, Giovanni (2017-03-01). "Astrochronostratigraphic polarity time scale (APTS) for the Late Triassic and Early Jurassic from continental sediments and correlation with standard marine stages". Earth-Science Reviews. 166: 153–180. Bibcode:2017ESRv..166..153K. doi:10.1016/j.earscirev.2016.12.014. hdl:2434/491902. ISSN 0012-8252.