Ams dating archaeology
Different styles have been found in different layers of sites, so based on , we can tell the order in which the styles were popular.
Once we know where one style belongs in time, any time we find an artifact of that style it dates the site where it is found.
Recent advances allow dating of very small samples through Accelerator Mass Spectrometry or AMS dating.
Several new methods of dating are available, that measure the amount of various radioactive elements in volcanic or other deposits. It works on the principle that there are two different or forms of carbon.
Carbon 14 is produced in the atmosphere and is absorbed by all living things.
The style of many artifacts changes through time, even though the function remains the same.
We can see this today as styles of cars or clothing change regularly.
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When a plant or animal dies, the carbon 14 begins to break down at a known rate. Radio-carbon laboratories can measure the amount of carbon 14 remaining in organic materials and calculate how long it has been since death.