Potassium 40 dating accuracy

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It cannot be used to date volcanic rocks, for example.The rate of decay of N in 5,730 years (plus or minus 40 years).Also, the Genesis flood would have greatly upset the carbon balance.The flood buried a huge amount of carbon, which became coal, oil, etc., lowering the total C ratio in plants/animals/the atmosphere before the flood had to be lower than what it is now.

The use of various radioisotopes allows the dating of biological and geological samples with a high degree of accuracy.However, the principle of carbon-14 dating applies to other isotopes as well.Potassium-40 is another radioactive element naturally found in your body and has a half-life of 1.3 billion years.So, we have a “clock” which starts ticking the moment something dies.Obviously, this works only for things which were once living.

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