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This gives away the true age of the fossil that contains C-14 that starts decaying after the death of the human being or animal. Absolute Dating • Dating techniques are used in archeology to ascertain the age of old artifacts and a broad classification of these methods bifurcates them in relative dating and absolute dating • Relative dating comes to a conclusion based upon the study of layer formation of rocks.
Upper most layers are considered the youngest while the lowermost deposition is considered as oldest.
It is clear then that absolute dating is based upon physical and chemical properties of artifacts that provide a clue regarding the true age.
This is possible because properties of rock formations are closely associated with the age of the artifacts found trapped within them.
This type of dating employs many dating techniques like atomic clocks, carbon dating, annual cycle methods, and trapped electron method.
Dendrochronology is another of the popular method of finding the exact age through growth and patterns of thick and thin ring formation in fossil trees.
As the name implies, relative dating can tell which of the two artifacts is older.Biostratigraphy does not directly provide an absolute age determination of a rock, but merely places it within an interval of time at which that fossil assemblage is known to have coexisted.Both disciplines work together hand in hand, however, to the point where they share the same system of naming rock layers and the time spans utilized to classify layers within a stratum.A layer that is higher is of later age than a layer that is lower in order.This means that the oldest are the strata that are lying at the bottom.