Faults and Fold Interpretation

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Transcript Faults and Fold Interpretation

Ch. 22.5 Faults & Folds Self Quiz
Look at each image and interpret the
faults and folds. Answer questions in
your notebook or a separate piece of
paper.
1.
What type of fold is shown here? (Anticline or Syncline)
2. Would these folds be created in a DUCTILE (high temp. & pressure, deeper in
crust) or BRITTLE (low temp & pressure, at surface) environment?
3. These folds in Newfoundland New Jersey would have be produced …
a.
b.
c.
d.
When Pangaea assembled ~ 240 Ma.
When Pangaea broke apart ~ 100 Ma
During the ice age as glacial ice sheets retreated ~ 10 Ka
They are currently being produced by New Jersey’s current tectonic activity.
4. Support your answer to #2 with a reason.
5. Is this a dip-slip or strike slip fault? If dip-slip – say what type of dip-slip (Thrust or
Normal).
6. Is this fold produced by compressional; extensional; or shearing forces?
7. What type of plate boundary would you expect to find these faults? (Convergent;
Divergent; Transform)
8. Which fault would be produced by shearing
forces?
9. Would fault H be made in an ancient rift
valley or a mountain building zone?
Support your answer with a reason.
10. A. What type of fault can you see in this picture ?
B. Could this location be an ancient subduction zone? Why or why not?
11. A. What type of fault can you see in this picture ?
B. What type of plate boundary produces these faults?
12. A. What type of fault can you see in this picture ?
B. Could this location be an ancient convergent plate boundary? Why or why not?
13. A. What type of fault can you see in this picture ?
B. What type of forces produced this fault? (There are 2 forces)