Absolute chronometric dating


03-Mar-2020 19:39

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These use radioactive minerals in rocks as geological clocks.The atoms of some chemical elements have different forms, called isotopes.Radiocarbon dating measures radioactive isotopes in once-living organic material instead of rock, using the decay of carbon-14 to nitrogen-14.

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The table below shows characteristics of some common radiometric dating methods.

Most directly measure the amount of isotopes in rocks, using a mass spectrometer.



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