| Blackhead Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Formation | 
| Unit of | Signal Hill Group | 
| Sub-units |  [1] 
  | 
| Overlies | Cuckold Formation [1] | 
| Lithology | |
| Primary | Red-Gray Sandstone [2] | 
| Other | Siltstone, Shale, Mudstone [2] | 
| Location | |
| Region | Newfoundland and Labrador | 
| Country | Canada | 
|   Outcrop area in southeast Newfoundland  | |
The Blackhead Formation is an Ediacaran geological formation cropping out in Eastern Newfoundland, with five subdivisions, two of which are named: the Maddox Cove and Deadman's Bay members. [3]