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Geologic Structures Quiz 

Cerritos College Department of Earth Science On-Line Tutorial Center

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folds

   The image on the left shows part of a road cut in the Santa Monica Mountains (Monterey Formation, photo by Dr. Colbath).  The image shows a pair of folds in cross section (side view).

What type of deformation is this, and what type of stress produced this structure?

Print the image, and draw the axial trace of each fold on it.  What specific types of folds are these?
  The photo on the right shows another road cut in the Santa Monica Mountains (Sespe Formation, photo by Dr. Colbath).  The structure on the right is an example of a:

A) Joint  B) Normal fault  C) Reverse fault 
D) Strike-slip fault  E) Anticline

  What evidence from the photo did you use to determine the type of structure?

quiz photo

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06/25/0313 Oct 2009 09:18:31 -0700

Last update: 10/13/09