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absolute dating

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amino-acid dating

amino-acid dating  

A method of absolute dating of organic materials that is based on the chemical change that amino acids undergo. This is dependent on both time and temperature.
carbon-14

carbon-14  

A naturally occurring carbon isotope that is produced in the atmosphere by cosmic ray bombardment and has a half‐life of 5700 years. It is useful for the absolute dating of samples up to 40 000 years ...

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