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16 Cards in this Set
- Front
- Back
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Stress
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a physical or mental response to an unusual environmental condition
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Deformation
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the bending, tilting, and breaking of Earth's crust; the change in the shape of rock in response to stress
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Compression
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in geology, a reduction in the volume of a substance due to pressure changes
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Tension
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m
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Fold
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a form of ductile strain in which rock layers bend, usually as a result of compression
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Anticline
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an arch-shaped fold in rock layers in which the oldest layer is in the center of the fold
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Syncline
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a downward fold of stratified rocks in which the sides slope downward toward each other
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Monocline
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a fold in rock layers in which the layers are horizontal on both sides of the fold
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Fault
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a break in a body of rock along which one block slides relative to another; a form of brittle strain
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Hanging wall
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the rock above a fault plane
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Foot wall
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the rock below a fault plane
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Normal fault
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a fault in which the hanging wall moves down relative to the footwall
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Reverse fault
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a fault in which the hanging wall moves up in relation to the footwall
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Strike-slip fault
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a fault in which the two fault blocks move past each other horizontally
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Uplift
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the elevation of regions of the Earth's crust
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Subsidence
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the sinking of regions of the ground surface with little or no horizontal movement
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