Canadian Shield Canada Map
Glaciation has left the area only a thin layer of soil through which the composition of igneous rock resulting from long volcanic history is frequently visible.
Canadian shield canada map. Old maps of canadian shield discover the past of canadian shield on historical maps browse the old maps. The canadian shield or bouclier canadien french also called the laurentian plateau is a large area of exposed precambrian igneous and high grade metamorphic rocks geological shield that forms the ancient geological core of the north american continent the north american craton or laurentia. The canadian shield also called the laurentian plateau or bouclier canadien french is a large area of exposed precambrian igneous and high grade metamorphic rocks geological shield that forms the ancient geological core of the north american continent the north american craton or laurentia. Share on discovering the cartography of the past.
The crust also known as the north american craton extends from northern mexico to greenland and consists of hard rocks at least 1 billion years old. The canadian shield is a landform region that covers more than half of canada. Old maps of canadian shield on old maps online. Canadian shield one of the world s largest geologic continental shields centred on hudson bay and extending for 8 million square km 3 million square miles over eastern central and northwestern canada from the great lakes to the canadian arctic and into greenland with small extensions into northern minnesota wisconsin michigan and new york u s.
With a deep common joined. General information the canadian shield is the largest of canadas 6 physical regions.