Radiometric dating and radiocarbon dating
It is therefore essential to have as much information as possible about the material being dated and to check for possible signs of alteration.
It must be noted though that radiocarbon dating results indicate when the organism was alive but not when a material from that organism was used.
Radiocarbon dating is one kind of radiometric dating, used for determining the age of organic remains that are less than 50,000 years old.
For inorganic matter and for older materials, isotopes of other elements, such as potassium, uranium, and strontium, are used.
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An age could be estimated by measuring the amount of carbon-14 present in the sample and comparing this against an internationally used reference standard.