| Merrimack Formation | |
|---|---|
| Stratigraphic range: Silurian | |
| Type | Geological formation |
| Underlies | Gun River Formation[1] |
| Location | |
| Region |  Quebec |
| Country |  Canada |
The Merrimack Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
- ^ Copper, Paul; Long, Darrel G. F.; Jin, Jisuo (2012). "The Early Silurian Gun River Formation of Anticosti Island, eastern Canada: A key section for the mid-Llandovery of North America". Newsletters on Stratigraphy. 45 (3): 263. doi:10.1127/0078-0421/2012/0024. ISSN 0078-0421.