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RECOGNIZING FAULTS AND FOLDS

|| Plate Tectonics || Geological Concepts || Faults and Folds 1 and 2 ||
|| Geological Detective || Rock Types || A Brief Geological History of the Southwest ||
 

Do you remember your forces, faults, and folds from the introduction?

FAULTS: when rocks break due to force. Put mouse cursor in image to see what it looked like before the force was applied to it.

n_1
r_1
ss_1
Normal Fault
Caused by tension
Reverse Fault
Caused by compression
Strike-Slip Fault
Caused by shear (lateral) forces

FOLDS: when rocks bend due to force.

a_1
s_1

Anticline
Caused by compression
Folded up like an "A"

Syncline
Caused by compression
Folded down like a "U"