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By combining multiple geochronological (and biostratigraphic) indicators the precision of the recovered age can be improved.

Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues (1949) to date archaeological, geological and hydrogeological samples.It may be used to date a wide range of natural and man-made materials.Fossils may be dated by taking samples of rocks from above and below the fossil's original position.It will often work well with stones that have been heated by fire.The clay core of bronze sculptures made by lost wax casting can also be tested.Ideally this is assessed by measurements made at the precise findspot over a long period.