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With the passing of time, new strata form over them.
Thus, the date of an artifact is relative to its location in the levels.
Absolute dating, on the other hand is capable of telling the exact age of an item using carbon dating and many other techniques that were not there in earlier times.
Relative dating makes use of the common sense principle that in a deposition of layers.
Using these methods, the scientist determines a date range for when an event took place rather than where it fits in the overall record. The techniques scientist need for absolute dating did not become available until the later half of the 20th century.
Absolute dating uses clues, such as the emperor's face on a coin, to date an artifact.
It is clear then that absolute dating is based upon physical and chemical properties of artifacts that provide a clue regarding the true age.
As the name implies, relative dating can tell which of the two artifacts is older.
However, archeologists still require further information to find out the items that are oldest and those that are youngest in the order.
It is left for absolute dating to come up with the precise age of an artifact.
Dating is a technique used in archeology to ascertain the age of artifacts, fossils and other items considered to be valuable by archeologists.
There are many methods employed by these scientists, interested in the old, to get to know the age of items.