| Cass Fjord Formation | |
| Type: | Formation |
| Age: | Ordovician |
| Period: | Ordovician |
| Namedfor: | Cass Fjord |
| Country: | Greenland |
The Cass Fjord Formation is a geologic formation in Greenland. It preserves fossils dating back to the Ordovician period.[1] The Cass Fjord is a geographic feature at the northern end of Peabody Bay on the eastern side of the Kane Basin in northwestern Greenland.[2]
