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20 cards

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Uniforitarianism   Principle that geologic processes that occurred in the past  
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Relative age   Age of an objects in relation to the ages of other objects  
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Law of superposition   Law that a sedimentary rock layer is older than the layers above it and younger than the layers below it  
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Unconformity   Break in the gelogic record created when rock layers are eroded or when sediment is not deposited for a long period of time  
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Law of cross cutting cutting relationships   The principle that a fault or body of rock is younger than any other body of rock that it cuts through  
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Created by: Gavin l
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