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12 Cards in this Set
- Front
- Back
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stress |
a force that acts on rock tochange its shape or volume |
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tension |
pulls on the crust,stretching rock so that it becomes thinner in the middle |
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compression |
squeezesrock until it folds or breaks |
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shearing |
Shearing can cause rock to breakand slip apart or to change its shape |
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normal fault |
In a normal fault, the fault is at anangle, so one block of rock lies above the fault while the otherblock lies below the fault |
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hanging wall |
The block of rock that lies above |
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footwall |
The rock that lies below |
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reverse fault |
has the same structure as a normal fault, but theblocks move in the opposite direction |
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strike-slip fault |
the rocks on either side of the fault slip past each other sideways,with little up or down motion |
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anticline |
A fold in rock that bendsupward |
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syncline |
A foldin rock that bends downward to form a valley |
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plateau |
is a large area of flatland elevated high above sea level |
