| Drook Formation | |
| Type: | Formation |
| Age: | (Ediacaran) |
| Period: | Ediacaran |
| Region: | Newfoundland and Labrador |
| Country: | Canada |
| Unitof: | Conception Group[1] |
| Underlies: | Briscal Formation |
| Overlies: | Gaskiers Formation |
| Map: | Drook Formation map.svg |
The Drook Formation is a geologic formation in Newfoundland and Labrador. It preserves fossils dating back to the Ediacaran period. It contains a stratum dated to .[1]