By the principle of __, the surface feature known as the Grand Canyon is ___ than the sedimentary formations that are exposed in the side walls of the Grand Canyon.

Question

Quizplus · Accepted Answer

The principle of cross-cutting relationships states that a geological feature that cuts across another feature must be younger than the feature it cuts. The Grand Canyon, being a surface feature that cuts through the sedimentary formations, is therefore younger than the formations it exposes.

By the Principle of __, the Surface Feature Known as the Grand