What is radioactive dating of rocks


10-Jan-2020 20:56

Another limitation is that carbon-14 can only tell you when something was last alive, not when it was used.A limitation with all forms of radiometric dating is that they depend on the presence of certain elements in the substance to be dated.One problem is that potassium is also highly mobile and may move into older rocks.

what is radioactive dating of rocks-7

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The meaning of this equation is that the rate of change of the number of nuclei over time is proportional only to the number of nuclei.This is consistent with the assumption that each decay event is independent and its chance does not vary over time.