Relative - dating that refers only to the order in which events occurred., Absolute - It tells the order in which events occurred and the exact amount, Superposition - the oldest layers are at the bottom, with younger layers on top., Horizontality - any tilting or folding indicates later geological events., Crosscutting - any geological feature that cuts across another feature is younger than the feature it cuts., Faunal Succession - fossils organisms succeeded one another through time in a definite and recognizable order, Lateral Continuity - rock layers spread out flat and wide until they get thinner or hit something., Statigraphy - one of the oldest methods of relative dating, Biostratigraphy - extended version of stratigraphy, Cross- Dating - compares layers of fossils from different sites, Half-Life - the time taken for half the original parent atom to decay., Unconformities - help interpret rock formation history and estimate rock ages.,

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