the Canadian shield is also called Eastern Highland.
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The Canadian Shield is sometimes called the Precambrian Shield because it contains some of the most famous rocks from this era in the world.
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The Canadian Shield refers to the exposed portion of the continental crust underlying the majority of North America. 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.
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