It was formed roughly 12,200 to 12,800 years ago during the Younger Dryas cold period.
The complex consists of thick clay sediments, deltaic sands, and till sheets, often forming prominent ridges visible in the landscape. 3. The Film: Saint-Narcisse (2020) Saint-Narcisse
It stretches over 750 km across the southern margin of the Laurentian Highlands in Quebec. It was formed roughly 12,200 to 12,800 years
Saint-Alban 1894: Québec’s largest historical landslide - IOP Science It was formed roughly 12