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ConcepTest: Unconformity Explaination

ConcepTest questions by David McConnell , David Steer ( This site may be offline. ) , Walter Borowski, Jeffrey Dick, Annabelle Foos, Jeffrey Knott, Alvin Konigsberg, Michelle Malone, Heidi McGrew, Kathie Owens, and Stephen Van Horn

Question:

Which of the following sequence of events would best explain what happened between deposition of layers C and E illustrated in the diagram below?

Cross Section 2

a. Uplift only.
b. Uplift, erosion, then sea level rise.
c. Uplift and erosion only.
d. Uplift, erosion, then sea level fall.

Student Responses:

No data yet. The correct response is c.

If you would like to help acquire more Before and After statistics for this example, please contact the authors (see link at top of page).

References and Notes:

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