The thick accumulations of sediment on the North American Atlantic margin are the result of which geologic process?

Question

Quizplus · Accepted Answer

The thick accumulations of sediment on the North American Atlantic margin are primarily due to thermal subsidence, which occurs after the initial rifting phase. As the lithosphere cools and becomes denser, it subsides, creating space for sediments to accumulate over time.

The Thick Accumulations of Sediment on the North American Atlantic