What was the Canadian shield by?

Answer 1

Canadian Shield was formed when 2 tectonics plates collided, when they collided, folding occurred. The plate that was forced down, melted and rose back to the surface to cool down over time. These rocks (that were cooled down) eventually came to be known as the Canadian Shield.

Answer 2

The Shield formed from the eruptions of over 150 ancient volcano belts in the Precambrian era.

Answer 3

somene looked on a map and said that looks like a shield,and it was in Canada

Answer 4

In the Precambrian era.

Rocks in the Shield are as old as 3.96 billion years.