Île Rouleau crater
Encyclopedia
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 km in diameter and the age is estimated to be less than 300 million years (Permian
or earlier). Part of the crater is exposed to the surface, but most of it is under the waters of the lake.
Impact crater
In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...
in Baie-James, Quebec
Quebec
Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....
, Canada, located on a small, uninhabited island in Lake Mistassini
Lake Mistassini
Lake Mistassini is the largest natural lake by surface area in the province of Quebec, Canada, with a total surface area of approximately 2,335 km² and a net area of 2,164 km². It is located in the Jamésie region of the province, approximately east of James Bay...
in the centre of the province.
The crater it is 4 km in diameter and the age is estimated to be less than 300 million years (Permian
Permian
The PermianThe term "Permian" was introduced into geology in 1841 by Sir Sir R. I. Murchison, president of the Geological Society of London, who identified typical strata in extensive Russian explorations undertaken with Edouard de Verneuil; Murchison asserted in 1841 that he named his "Permian...
or earlier). Part of the crater is exposed to the surface, but most of it is under the waters of the lake.