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Chemical dating methods

Relative dating in archaeology presumes the age of an artefact in relation and by comparison, to other objects found in its vicinity.Limits to relative dating are that it cannot provide an accurate year or a specific date of use.

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These skeptics do not provide scientific evidence for their views.When museums and collectors purchase archaeological items for their collections they enter an expensive and potentially deceptive commercial fine arts arena.Healthy profits are to be made from illicitly plundered ancient sites or selling skillfully made forgeries.The style of the artefact and its archaeology location stratigraphically are required to arrive at a relative date.For example, if an artefact, say an oil lamp, is found co-located on the same floor of a governor's dwelling, and that floor can be dated in archaeology terms by reason of the patterns employed in the mosaic, then it is assumed that in relation to the floor that the lamp is of the same age.This dating method is also known as Archaeological Dating or Historical Chronology. These methods were relied on especially prior to the introduction of scientific methods of dating.

But, even when the scientific methods of absolute dating are available, this method of dating has not lost its importance, as many a time we have to depend solely on relative dating.

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In such cases subjective element cannot be ruled out.

But, for a single culture site the method is quite reliable.

Course set-up: 1) C14: natural radioactivity, dating principle, C14 timescale, isotope effects, calibration. 5) Isotope geology relevant for archaeology: dating U-series, K/Ar, ESR.