Possible impact crater?

Possible impact crater? (Google Maps)
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By AlejoHausner @ 2006-06-13 01:42:07
It's big, it's round, but is it a crater? This one's in northern Canada, just NE of Great Bear Lake. There's a smaller round feature about 30 miles SE of this one.
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jbottero picture
jbottero
@ 2006-06-13 15:44:12
I think it’s more likely a glacial cirque, the bowl shaped indentation formed at the head of a huge glacier...
AlejoHausner picture
AlejoHausner
@ 2006-06-15 22:19:22
I'm ignorant in matters of glaciation, but why is there a high region at the middle of the circular formation? Here's a topo map of the area:

http://atlas.nrcan.gc.ca/site/english/maps/topo/map?mapsize=750+666&scale=300000.000000&mapxy=-910912.4737808177+2155639.434874816&mode=zoomin&layers=north_arrow%20other_features%20million_grid%20t50k_grid%20grid_50k_3%20roads%20hydrography%20boundary%20builtup%20vegetation%20populated_places%20railway%20power_network%20manmade_features%20designated_areas%20water_features%20water_saturated_soils%20relief%20contours%20toponymy%20contour%20nodata_ntdb_50k%20contour_250k
jbottero picture
jbottero
@ 2006-06-26 19:35:44
Huh. Interesting web site. I don't know. Maybe the glaciers cut left and right, leaving a high spot.

I do know this: Much of the North American landscape was formed by glacial action. Also, I've never heard of there being an impact crater there, and I would think it would be a noteable thing. But now I'm interested. I'll look into it...