FAULTS IN GENERAL
STRIKE-SLIP FAULTS
NORMAL FAULTS
REVERSE FAULTS
OTHER
100
What is a fault?
Fractures in Earth where movement has occurred as slabs of crust slip past each other.
100
What type of plate boundary does a strike-slip fault create?
Transform plate boundary
100
FREE POINTS
TAKE 100 POINTS
100
What type of fault has the same structure as a reverse fault?
Normal Fault
100
Name the fault type, stress, and direction
Lateral/Strike-Slip Fault, Shearing stress, Left lateral
200
What is the famous fault in California?
San Andreas Fault
200
What famous strike-slip fault is in California?
What is the San Andreas Fault?
200
DAILY DOUBLE!!!(if you get it right take 600 points, if you get it wrong subtract 400)In a normal fault, what direction does the hanging wall move?
Down! It's a slip slide =) ____Foot__
\ __Hanging___
200
What happens to a footwall in a reverse fault?
It goes down. Hanging wall moves up.
____Hanging____
\
____Foot___
200
Name the type of fault, stress, and direction based on the image.
Reverse/Thrust Fault, Compression Stress, Moving towards each other (pushed in)
300
Identify the image as being a Fault or a Fold.
Fold.
300
Why will compression be the incorrect stressor for strike-slip faults?
Because compression results in reverse faults.
Strike-slip faults are due to shearing, side to side motion in the opposite direction.
300
What direction are the plates moving in a normal fault?
Away from each other
300
What direction do the plates move in a reverse fault?
Towards one another
300
Name the 4 types of plate stressors that break the crust.
Act them out TOO!
Compression, Shearing, Tension, Uniform/Confining Stressors
400
Name the type of stress:
Forces acting parallel to each other, but in opposite directions. Resulting in displacement.
Shearing
400
At strike-slip fault lines, which is higher, the footwall or the hanging wall?
Neither, they are equal!
400
What stress causes a normal fault?
Tension forces
400
What causes a reverse fault?
Compression Forces
400
Name the fault type, stress type based on the image.
Normal Fault, Tension.
500
What are the two "walls" of a fault?
Footwall & Hanging Wall
500
Which lateral fault is shown in the picture?
Right lateral fault
500
Is this side view indicative of a Normal Fault?
Explain why or why not.
No. Hanging wall is above the foot wall - This is a Reverse/Thrust Fault
500
Use props to demonstrate a thrust fault in action. Find props around classroom - do not break anything.
Team to show it correctly gets the points!
500
Name the stressor in the image. Act it out too!
Explain the difference between fault vs. fold.
Confining/Uniform stress; Hug
Fault: stress builds up in a rock, the rock breaks
Fold: bends in Earth due to compression pressure