Koreandating org


01-Sep-2017 15:35

Relative dating methods allow one to determine if an object is earlier than, later than, or contemporary with some other object.It does not, however, allow one to independently assign an accurate estimation of the age of an object as expressed in years.In areas in which scientists have tree rings sequences that reach back thousands of years, they can examine the patterns of rings in the wood and determine when the wood was cut down.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.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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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 most commonly used chronometic method is radiocarbon analysis.



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