Forms of relative dating


28-Aug-2017 18:45

Cultural seriations are based on typologies, in which artifacts that are numerous across a wide variety of sites and over time, like pottery or stone tools.If archaeologists know how pottery styles, glazes, and techniques have changed over time they can date sites based on the ratio of different kinds of pottery.The majority of chronometric dating methods are radiometric, which means they involve measuring the radioactive decay of a certain chemical isotope.They are called chronometric because they allow one to make a very accurate scientific estimate of the date of an object as expressed in years.

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This works better in temperate areas that have more distinct growing seasons (and this rings) and relatively long-lived tree species to provide a baseline.Relative dating methods allow one to determine if an object is earlier than, later than, or contemporary with some other object.



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