What is relative dating in terms of fossils

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.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.It is possible to tell the number of years ago a particular rock or archeological site had been formed.

So, fossils in those layers come from the same period as well.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.Fossils are important for working out the relative ages of sedimentary rocks.Throughout the history of life, different organisms have appeared, flourished and become extinct.

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