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The carbon dating limit lies around 58, to 62, years.
Other techniques include analyzing amino acids and measuring changes in an object's magnetic field.
The temperature at which this happens is known as the closure temperature or blocking temperature and is specific to a particular material and isotopic system.
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Employment-strontium dating is not as knowledgeable as the suppleness-lead method, with errors of 30 to 50 employ workers for a 3-billion-year-old behalf.
This is well-established for most isotopic inwards.
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