Buried erosional surfaces between parallel sedimentary strata are termed ____________.
A) disconformities
B) angular unconformities
C) nonconformities

Question

Buried erosional surfaces between parallel sedimentary strata are termed ____________. 
A) disconformities 
B) angular unconformities 
C) nonconformities

Quizplus · Accepted Answer

Disconformities occur between parallel sedimentary strata where there is an interruption in deposition, often caused by erosion. This results in a surface that may be visible as a smooth or irregular line separating the two sedimentary layers. Angular unconformities occur between tilted or folded strata and flat-lying strata, while nonconformities occur between sedimentary rocks and older, underlying metamorphic or igneous rocks.

Buried Erosional Surfaces Between Parallel Sedimentary Strata Are Termed ____________