An unconformity is
A)a scientific debate between Earth scientists.
B)when younger igneous plutonic rocks are above older sediments.
C)a continuous sequence of sedimentary layers.
D)a gap in an otherwise continuous time-sequence of rock layers.

Question

Quizplus · Accepted Answer

An unconformity is a gap in an otherwise continuous time-sequence of rock layers. It represents a period of erosion or non-deposition, and can indicate a significant change in the environment or tectonic activity.

An Unconformity Is