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12 Cards in this Set
- Front
- Back
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stress |
A force that acts on rock to change its volume or shape. |
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tension |
A stress force that pulls on the crust stretching the rock so that it becomes thinner |
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compression |
A stress force that squeezes rock until it unfolds. |
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shearing |
A stress force that pushes a mass of rock in two opposite directions |
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normal fault |
A fault that is at an angle so one block of rock lies above the fault and one lies below the fault. |
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hanging wall |
The block of rock that lies above the normal fault |
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footwall |
The block of rock that lies below the normal fault |
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reverse fault |
Has the same structure as the normal fault but the rocks move in a different direction. |
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strike slip fault |
The rocks on either side slip past each other. |
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anticline |
A fold in rock that bends upward into an arch. |
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sincline |
A fold in rock that bends downward to form a valley. |
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plateau |
A large area of flat land elevated high above sea level. |
