Newport Formation
| Newport Formation | |
|---|---|
Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Narrabeen Group |
| Thickness | up to 49 metres (160 ft) |
| Location | |
| Location | Sydney Basin |
| Country | Australia |
The Newport Formation is a geologic formation outcropping in the Sydney Basin in eastern Australia. This stratum is up to 49 metres thick. Formed in the mid-Triassic, it is part of the Narrabeen Group of sedimentary rocks.