3 Types of Faults
Normal Fault
Hanging Wall
Caused by tension of the Earth
pulling apart
Block of earth drops down
creating a hanging wall
Reverse Fault
Strike Slip Fault
Hanging Wall is pushed over the
footwall
Caused by COMPRESSION
Lateral = Sideways
Sides of the fault SLIDE sideways
Caused by SHEARING Motion
The Earth pushing together
creating an OVERHANG
Hanging
Wall
Hanging Wall
Footwall
Footwall
facweb.bhc.edu/.../geol101/study/structur.htm
http://facweb.bhc.edu/academics/science/harwoodr/GEOG102/Study/images/reverse.gif
http://www.geologyrocks.co.uk/system/files/u2/ssfault.gif
Strike-slip
Lateral or Sideways Fault
http://www.tulane.edu/~sanelson/images/horstgraben.gif
Faulting over a long time
makes
Horsts and Grabens
X/Drive/J. Hoffman Notes/J. Haugh Organizer/Google Images/ 2012