Boonton Formation
The Boonton Formation is a mapped bedrock unit in New Jersey, formerly divided between the Boonton and Whitehall beds of the defunct Brunswick Formation. It is named for the town of Boonton, New Jersey, which is near where its type section was described by paleontologist Paul E. Olsen.
| Boonton Formation | |
|---|---|
| Stratigraphic range: Late Hettangian-Sinemurian ~ | |
Exposure of the Boonton Formation along a road cut in Pequannock Township, New Jersey. | |
| Type | Geological formation |
| Unit of | Newark Supergroup Meriden Group |
| Underlies | Potomac Formation |
| Overlies | Hook Mountain Basalt |
| Thickness | maximum of over 1,640 feet (500 m) |
| Lithology | |
| Primary | Sandstone, siltstone, mudstone |
| Other | Conglomerate, evaporite |
| Location | |
| Coordinates | 40.9°N 74.4°W |
| Approximate paleocoordinates | 22.7°N 19.8°W |
| Region | Newark Basin of Eastern North America Rift Basins |
| Extent | continuous for ~30 miles (48 km) in New Jersey |
| Type section | |
| Named for | Boonton, New Jersey |
| Named by | Paul E. Olsen |
| Year defined | 1980 |
Boonton Formation (the United States) Boonton Formation (New Jersey) | |
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