Questions and Answers
What is an unconformity?
A surface indicating a stoppage in deposition or erosion between two rock sequences
How are unconformities created?
By erosion and nondeposition, or the stoppage of sediment supply
What is the challenge associated with dating rock layers?
The presence of unconformities or gaps in the geologic record
Which of the following is an example used to illustrate the concept of an unconformity?
Signup and view all the answers
What must geologists question when they find an unconformity?
Signup and view all the answers
What is the source of sediment that is eventually deposited in low areas?
Signup and view all the answers
