A ________ is the interior of a continental mass that has been relatively undisturbed for the last 600 million years.
A)mountain belt
B)margin
C)craton
D)shield

Question

Quizplus · Accepted Answer

A craton is a stable interior of a continental mass that has not undergone significant tectonic activity in the last 600 million years. A shield is a large region of exposed Precambrian igneous and high-grade metamorphic rocks that make up the core of a craton, but not all cratons have shields. Mountain belts and margins are areas of active tectonic activity and thus do not fit the description.

A ________ Is the Interior of a Continental Mass That