Chronological dating or simply dating is the process of attributing to an object or event a date in the past allowing such object or event to be located in a previously established chronologythis usually requires what is commonly known as a dating method several dating methods exist depending on different criteria and techniques and some very.
Chemical dating techniques although not that widely used archaeologists do have a number of chemically based dating methods to choose from perhaps the most common is that of obsidian hydration rind dating developed.
Relative dating determines the age of artifacts or site as older or younger or the same age as others but does not produce precise dates absolute dating methods that produce specific chronological dates for objects and occupations was not available to archaeology until well into the 20th century.
Dating methods such as radiocarbon dating dendrochronology or treering dating and potassiumargon dating that may furnish an absolute date for an archaeological site are a contribution of the physical and the natural sciences but absolute dating methods are not always useful the particular circumstances to which they apply do not exist at.
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Towards this end while investigating the past cultures archaeology depends on various dating methods these dating methods can broadly be divided into two categories ie 1 relative dating methods and 2 absolute dating methods.
In the late 1940s the first absolute dating technique radiocarbon carbon14 or c14 dating revolutionizing archaeology allowed more reliable dating other radiometric methods based on the rate of radioactive decay such as potassiumargon dating date much older volcanic material.