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ConcepTest: Relative Time Diagram #1

ConcepTest questions by David McConnell, David Steer, Walter Borowski, Jeffrey Dick, Annabelle Foos, Jeffrey Knott, Alvin Konigsberg, Michelle Malone, Heidi McGrew, Kathie Owens, and Stephen Van Horn


Match the features in the relative time diagram below with the events described in the short sentence. Assume all rocks are sedimentary unless otherwise indicated.

Which is the oldest rock unit?

Cross Section 3

a. A
b. B
c. C
d. D
e. E

Student Responses:

No data yet. The correct response is c.

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References and Notes:


Geoscience:Geology:Igneous and Metamorphic Petrology

Resource Type

Activities:Classroom Activity:Short Activity:ConcepTests

Grade Level

College Lower (13-14):Introductory Level

Ready for Use

Ready to Use


Teach the Earth:Teaching Environments:Intro Geoscience, Teach the Earth:Course Topics:Petrology

Earth System Topics

Solid Earth:Earth Materials:Rocks, Time/Earth History


Solid Earth:Petrology, Time/Earth History