Where are the oldest rocks in North America located?
A)in the Appalachian Mountains
B)in the Canadian Shield
C)in the Basin and Range province
D)in the Rocky Mountains

Question

Quizplus · Accepted Answer

The oldest rocks in North America are found in the Canadian Shield, which is a large area of exposed Precambrian igneous and high-grade metamorphic rocks that form the ancient geological core of the North American continent.

Where Are the Oldest Rocks in North America Located