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Manicouagan Reservoir
Manicouagan Reservoir (click to enlarge)
 
 

Manicouagan Reservoir

Located in a rugged, heavily timbered area of the Canadian Shield in Quebec Province, Manicouagan Reservoir is impressive in this low-oblique, west-looking photograph. The reservoir, a large annular lake, marks the site of an impact crater 100 kilometers wide.

Formed almost 212 million years ago when a large meteorite hit Earth, the crater has been worn down by many advances and retreats of glaciers and other processes of erosion. The reservoir is drained at its south end by the Manicouagan River, which flows from the reservoir and empties into the Saint Lawrence River nearly 483 kilometers south.

Note: The tail fin visible on the lower left side of the image belongs to the Space Shuttle Columbia. It was taken during a 10-day mission in November-December 1983.


Image Credit: NASA

Credit: Lunar and Planetary Institute



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Last Updated: 20 Jan 2011