Woodbury Formation
Geological formation in New Jersey
From Wikipedia, the free encyclopedia
The Woodbury Formation is a Mesozoic geologic formation in New Jersey, United States. It primarily consists of massive dark gray clays and silts with carbonized wood fragments and pyrite, deposited in a marine setting.
| Woodbury Formation | |
|---|---|
| Stratigraphic range: Early Campanian, | |
| Type | Geological formation |
| Underlies | Englishtown Formation |
| Overlies | Merchantville Formation |
| Thickness | 15 m |
| Lithology | |
| Primary | Clay, Silt |
| Other | Sand |
| Location | |
| Region | New Jersey |
| Country | United States |
The remains of the dinosaur Hadrosaurus have been recovered from this formation.[1]
Using radio isotope dating of bivalve shells, the formation has been dated to between 80.5 and 78.5 million years ago.[2] However, a more accurate date make range from 83.6 to around 77.9 MYA.[3]
