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geological time
Question | Answer |
---|---|
Relative Age | Indicates that one layer is older or younger than another layer but does not determine the rocks age in years. |
Law of Superposition | Sedimentary rock layers are older then the layers above it and younger then the layers below it. |
Intrusion | |
Fault | |
Principle of Original Horizontality | sedimentary rocks left undisturbed will remain in horizontal layers. |
Law of Cross-cutting Relationships | Fault or igneous intrusion is always younger than the rock layers it cuts through. |