ConcepTest: Deformation Sequence of Events
The diagram below shows rock units with their age in millions of years. When did deformation (uplift or mountain building) occur?
a. less than 60 million years ago
b. more than 200 million years ago
c. between 60—200 million years ago
d. between 200 - 230 million years ago.
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:
Resource TypeActivities:Classroom Activity:Short Activity:
Grade LevelCollege Lower (13-14):
Ready for Use
Ready to Use
Earth System Topics
Time/Earth History, Solid Earth:
Structural Geology, Earth surface, Time/Earth History
ThemeTeach the Earth:Teaching Environments:
Intro Geoscience, Teach the Earth:Course Topics: