In the United States, the craton bedrock is covered with sedimentary rocks on the broad interior platform in the Midwest and Great Plains regions and is exposed only in northern Minnesota, Wisconsin, the New York Adirondacks, and the Upper Peninsula of Michigan.
Nos estados Unidos, o basamento do cratón está cuberto de rochas sedimentarias na ampla plataforma interior das rexións do Mediooeste e as Grandes Chairas e está exposto só no norte de Minnesota, Wisconsin, os montes Adirondack de Nova York, e a Península Superior de Michigan.