Navesink Formation
| Navesink Formation | |
|---|---|
| Stratigraphic range: Maastrichtian | |
| Type | Geological formation | 
| Unit of | Monmouth Group | 
| Underlies | Sandy Hook Formation, New Egypt Formation | 
| Overlies | Mount Laurel Formation | 
| Location | |
| Coordinates | 39°48′N 75°12′W / 39.8°N 75.2°W | 
| Approximate paleocoordinates | 40°12′N 50°18′W / 40.2°N 50.3°W | 
| Region | New Jersey | 
| Country | United States | 
| Type section | |
| Named for | Navesink, New Jersey | 
The Navesink Formation is a 66 to 70 mya greensand glauconitic marl and sand geological formation in New Jersey. It is known for its Cretaceous period fossil shell beds and dinosaur bones.