1. Types of Faults

2. Forces
TENSION
SHEAR
COMPRESSION

3. Normal Fault Force: TENSION
The exposed land can form a cliff or mountains
The hanging wall moves downward and the footwall moves upward

4. The Teton Mountains were created by Normal Faulting.

5. Reverse Fault these fault blocks are moving towards each other.
Force: COMPRESSION
Hanging wall moves up and the footwall moves down.

6. Reverse Fault in marble - Jazida do Urubu, Brazil

7. Strike-Slip Fault
Blocks slide past each other – usually in a horizontal motion
San Andreas fault is an example
FORCE: SHEAR

8. Thrust Fault One fault block is thrust over the other
Can create plateaus and mountains
Force: COMPRESSION

9. The Lewis Thrusts in southern California
Notice how deformed the rocks under the thrusted block have become!