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Île Rouleau crater
Location of Île Rouleau crater in Quebec
Impact crater/structure
Confidence Confirmed
Diameter 4 km (2.5 mi)
Age <300 Ma
Permian or younger
Exposed Partly
Drilled No
Location Lake Mistassini
Coordinates 50°41′N 73°53′W / 50.683°N 73.883°W / 50.683; -73.883Coordinates: 50°41′N 73°53′W / 50.683°N 73.883°W / 50.683; -73.883
Country  Canada
State Quebec
Province Nord-du-Québec
Municipality Baie-James

Île Rouleau is an impact crater in Baie-James, Quebec, Canada, located on a small, uninhabited island in Lake Mistassini in the centre of the province.

The crater it is 4 kilometres (2.5 mi) in diameter and the age is estimated to be less than 300 million years (Permian or younger). Part of the crater is exposed to the surface, but most of it is under the waters of the lake.

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