Couture crater
BW
Impact crater
Lac Couture is a lake in the Canadian province of Quebec, located in the Nunavik region in North -du- Québec.
The lake has an area of 273 km ², a length of 32 km and a width of 16 km. The lake is located about 10 km south of Lac Duquet, the water will flow to him. In addition, the Lac Couture is located 100 km east of the situated at Hudson Bay settlement Puvirnituq. The Rivière Decoumte drained the lake to Lac de Puvirnituq.
The circular lake covers an impact crater, which was formed 430 ± 25 million years ago in the Silurian and having an original diameter of 8 km.