What Stories Do Rocks Tell?
ES2903  Faulted Layers

Motion along faults causes rock layers to be offset from each other. In this photograph, compression caused folding of the rocks. Continued compression caused the rocks on the right side to move up the incline of the fault.

  !   Examine the photograph to identify the folds and the thrust fault. Click the image to see an animation of a thrust fault.

USGS/Tom Grace, TERC
A thrust fault in Alabama.

 Step:   1   2   3   4   5   6   7   8   9   10   11