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This dataset exhibits the bedrock geology in the Portneuf area, extending from 71ˮ30 to 72ˮ30. The bedrock is composed of two roc types: igneous and metamorphic rock of the geological Grenville Province, dating from Precambrian, and the sedimentary rocks of the geological St. Lawrence Lowlands dating from Paleozoic.
This map was created to provide a regional frame of the simplified bedrock geology . This dataset is used to realise other themes.
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