Steven Dutch, Natural and Applied Sciences, University
of Wisconsin - Green Bay
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Based on maps in Geology and Economic Minerals of Canada, Geological Survey of Canada Economic Geology Report 1, 1970, pp. 714-725
This list shows available maps. Figures are in years before present
14500 14000 13600 13200 12900
12700 12500 12200
12000 11800 11500
11200
10900 10600 10300
10000 09500 09000
08700 08400 08200
08100 07500 06000
An animation of the map series is shown below.
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Created 12 Sept 1997, Last Update 10 September 2003