Charlevoix Impact, Quebec

Steven Dutch, Natural and Applied Sciences, University of Wisconsin - Green Bay
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Charlevoix Impact, Quebec Location map of Quebec City and the Charlevoix Impact Structure.

Canadian planimetric map data 1999. Government of Canada with permission from Natural Resources Canada. US planimetric data: USGS.

Charlevoix Impact, Quebec The Charlevoix Structure is rimmed by a circumferential valley and has a central uplift. The impact happened during the Devonian and the present topography is due to differential erosion.
Charlevoix Impact, Quebec 

The Laurentide Highlands

Charlevoix Impact, Quebec The drive along the St, Lawrence offers fine views of the Laurentian Highlands. This is one of the more rugged parts of the Canadian Shield with elevations over 1000 meters (3300 feet).
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Baie St. Paul

Charlevoix Impact, Quebec Approaching the circumferential valley. The highway drops about 400 meters.
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Charlevoix Impact, Quebec 
Charlevoix Impact, Quebec Baie St. Paul from the southwest. This is a nice drive even if you have no interest whatsoever in impacts.
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Charlevoix Impact, Quebec 
Charlevoix Impact, Quebec Looking north along the circumferential valley.
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Charlevoix Impact, Quebec Looking southwest across the circumferential valley.
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Charlevoix Impact, QuebecThe town of Baie St. Paul from the northeast.

Inside The Charlevoix Structure

Charlevoix Impact, Quebec Upturned and contorted Ordovician limestone along the circumferential valley just northeast of Baie St. Paul.
Charlevoix Impact, Quebec Contorted Ordovician limestone along the circumferential valley just northeast of Baie St. Paul.

Since most of the structure contains shocked crystalline rocks, outcrop-scale evidence of impact is not very obvious.

Charlevoix Impact, Quebec Views of the St. Lawrence
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Charlevoix Impact, Quebec The central uplift of the structure.
Charlevoix Impact, Quebec The highest elevations in the central uplift are over 600 meters (2000 feet).
Charlevoix Impact, Quebec 

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Created 7 April 2003, Last Update 01 July 2012

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