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Format

JPG

Access

file-only

Publisher-reported update

2017-01-26

Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the bedrock geology across Canada that was compiled by the Geological Survey of Canada, circa 1956. The map denotes the geological time periods and makeup of bedrock for the Canadian landmass. This map denotes the bedrock geology using letter codes and colour to indicate surface coverage and principal rock types. The legend includes the era and period of when the rock types were formed.

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