Continental crust is recycled "quickly" while oceanic crust tends to be conserved.

Question

Quizplus · Accepted Answer

Continental crust is made of lighter materials and tends to sit higher on the mantle, causing it to be less dense and more buoyant. As a result, it is less likely to be subducted and recycled quickly back into the mantle. In contrast, oceanic crust is denser and more likely to be subducted and recycled back into the mantle, leading to its conservation.

Continental Crust Is Recycled "Quickly" While Oceanic Crust Tends to Be