| Bonavista Formation Stratigraphic range: Early Cambrian | |
|---|---|
|   Bonavista Fm near Long Cove, Trinity Bay, NL | |
| Type | Formation | 
| Unit of | Adeyton Group | 
| Underlies | Smith Point Fm | 
| Overlies | Random Fm | 
| Location | |
| Region | Newfoundland | 
| Country | Canada | 
|  Occurrence in southeast Newfoundland | |
The Bonavista Formation is an Early Cambrian formation cropping out in Newfoundland, dominated by red mudstones, with some purple-green mudstones, and the occasional nodular limestone interbedded. Basally, there is a gritty conglomerate.