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Earth science ch. 10
20 cards
Term | Definition |
---|---|
Uniforitarianism | Principle that geologic processes that occurred in the past |
Relative age | Age of an objects in relation to the ages of other objects |
Law of superposition | Law that a sedimentary rock layer is older than the layers above it and younger than the layers below it |
Unconformity | Break in the gelogic record created when rock layers are eroded or when sediment is not deposited for a long period of time |
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 |