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15 Cards in this Set

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A force that acts on rock to change its shape or volume
Stress
Stress that stretches rock so that it becomes thinner in the middle
Tension
Stress that squeezes rock until it forlds or breaks
Compression
Stress that pushes a mass of rock in two opposite directions
Shearing
A fault in which the hanging wall slips downward below the footwall
Normal Fault
A fault in which the hanging wall slides up and over the footwall
Reverse Fault
A fault where there is little up and down motion and the rocks slip past each other sideways
strike-slip fault
The rock that lies above the fault line
Hanging wall
The rock that lies below the fault line
Footwall
An upward fold in rock formed by compression of the earth's crust creating an arch
Anticline
A downward fold in a rock formed by compression in the earth's crust to creating a valley.
Syncline
A large area of a flat land elevated high above sea level
plateau
The amount of spaca a rock takes up
Volume
A break in the earth's crust
Fault
Parallel ridges and valleys
folded mountains