An erosional surface that separates inclined strata below from flat lying strata above is called a/an ____.
A) angular unconformity
B) disconformity
C) nonconformity
D) hiatus
E) bedding plane

Question

Quizplus · Accepted Answer

An angular unconformity is an erosional surface where tilted or folded sedimentary rocks are overlain by younger, more flat-lying strata, indicating a period of deformation and erosion followed by sediment deposition.

An Erosional Surface That Separates Inclined Strata Below from Flat