The surface below sedimentary rocks that overlie igneous or metamorphic rocks is termed a(n)____________.
A) disconformity
B) angular unconformity
C) nonconformity

Question

Quizplus · Accepted Answer

The term for the surface between sedimentary rocks and underlying igneous or metamorphic rocks is a nonconformity. A disconformity is between two horizontal layers of sedimentary rocks, while an angular unconformity is present when there is an inclination or angle between the layers on either side of the unconformity.

The Surface Below Sedimentary Rocks That Overlie Igneous or Metamorphic