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Lake in Northern Quebec, Canada From Wikipedia, the free encyclopedia
Lac Couture is a lake in Northern Quebec, Canada. It is located near Hudson Bay in the Kativik territory. The lake is approximately 150 meters deep.[1]
Couture crater | |
---|---|
Lac Couture | |
Impact crater/structure | |
Confidence | Confirmed |
Diameter | 13 km (8.1 mi) |
Exposed | Yes |
Location | |
Coordinates | 60°12′N 75°28′W |
Country | Canada |
State | Quebec |
Most of the lake covers an 8 km in diameter impact crater. The crater is estimated to be 430 ± 25 million years old (Silurian).[2] Breccia, suggesting impact origin, is present in boulders at the surface on islands around the perimeter of the lake.[1] There is also a 25-meter central uplift in the lake floor, suggesting complex crater morphology.[3]
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