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15 Cards in this Set
- Front
- Back
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The state of balance between the thickness of the crust and the depth at which it rides on the asthenosphere is called what?
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It is called isostasy.
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The increasing weight of mountains causes crust to what?
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The increasing weight of mountains causes crust to
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The force that changes the shape and volume of rocks is what?
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It is stress.
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The type of stress that pulls rocks apart, making them thinner is what?
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It is tension.
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The type of stress that squeezs rocks together is what?
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It is compression.
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Shearing is...
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Shearing is the bending,twisting, or breaking of rocks.
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High pressure and high temperature will cause that rocks to...
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It will cause the rocks to fold.
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Upcurved folds in rock are called what?
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Upcurved folds are called anticlines.
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Downcurved folds in rock are called what?
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Downcurved folds are called synclines.
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Gently dipping bends in rock formations with horizontal layers are called what?
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Gently dipping bends are called monoclines.
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When no movement occurs along the sides of a break in a rocks structure it is called what?
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It is called a fracutre.
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The rock above the fault plane makes up what?
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The rock above the fault plane is called a hanging wall.
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nearly vertical fault in which the rock on either side of the fault plane moves horizontally is called a...
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Strike-slip fault.
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The largest mountain systems are pate of still larger systems called what?
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They are called belts.
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Mount St. Helens in Washington State is an example of what kind of mountain?
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It is Mount St. Helens.
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