What types of rock make up the platform on which the rest of Canada is built?

Question

What types of rock make up the platform on which the rest of Canada is built?

Answer 1

WOW what a question short answer is bed rock all off Canada sits on it.Locally each area has its own specific rock.Such as Manitoulin Island and the Bruce Peninsula are on limestone,areas in southern Ontario and Quebec sit on hundreds of feet of soil and clay,the Prairies again loads of soil on top of bed rock.Our great country sits on a huge sheet of bed rock with a variety of materials sitting on that it all depends on what the mighty glaciers left when they retreated

Answer 2

The continental crust/plate/platform is the layer of granitic, sedimentary, and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores, known as continental shelves. This layer is sometimes called Sial due to its granitic rock, in contrast to the oceanic crust, called Sima due to its basaltic (also called mafic) rock