| Saanich Formation | |
| Type: | Formation |
| Age: | Late Pleistocene |
| Prilithology: | unlithified siliciclastic costal marine |
| Region: | Puget Sound, Washington (state) |
| Country: | United States |
| Overlies: | ?Sooke formation |
The Saanich Formation is a geologic formation in the Puget Sound area of Washington. It consists of Pleistocene marine siloclastic deposits preserving fossils.[1]