| Verulam Formation | |
|---|---|
| Stratigraphic range: | |
 Outcrop along Kirkfield Rd., Kawartha Lakes. | |
| Type | Formation |
| Unit of | Simcoe Group Trenton Group |
| Sub-units | Cystid Beds |
| Underlies | Lindsay Formation Cobourg Formation |
| Overlies | Bobcaygeon Formation Kirkfield Formation |
| Lithology | |
| Primary | Limestone |
| Other | Mudstone, shale, siltstone |
| Location | |
| Coordinates | 44°36′N 79°06′W / 44.6°N 79.1°W |
| Approximate paleocoordinates | 23°54′S 52°06′W / 23.9°S 52.1°W |
| Region | Ontario |
| Country |  Canada |
| Type section | |
| Named by | B.A Liberty |
| Year defined | 1955 |
   Verulam Formation (Canada)  Verulam Formation (Ontario) | |
The Verulam Formation is a geologic formation and Lagerstätte in Ontario, Canada. It preserves fossils dating back to the Katian stage of the Ordovician period, or Shermanian to Chatfieldian in the regional stratigraphy.[1]