Its northeastern section comprises the elevated portions of Labrador and Baffin Island.
Areas within this formation, which exhibits fields of "erratics" and the "grained landscape," include Kaumajet Mountain and the Laurentide Scarp. It also includes the chain that forms Nachvak Fjord, the Torngat Mountains. Sometimes known by a name that reflects its formation prior to the Cambrian Period, it consists of three million square miles of exposed Precambrian rock. Its northeastern section comprises the elevated portions of Labrador and Baffin Island. For 10 points, identify this geological formation, named for the country where it is predominantly found.
Areas within this formation, which exhibits fields of "erratics" and the "grained landscape," include Kaumajet Mountain and the Laurentide Scarp.
the {Canadian Shield}