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    Earth dating techniques dating a single dad with kids

    By combining multiple geochronological (and biostratigraphic) indicators the precision of the recovered age can be improved.

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    These radioactive elements constitute independent clocks that allow geologists to determine the age of the rocks in which they occur.A number of radioactive isotopes are used for this purpose, and depending on the rate of decay, are used for dating different geological periods.More slowly decaying isotopes are useful for longer periods of time, but less accurate in absolute years.Radioactivity was discovered in 1896 by French physicist Henri Becquerel.By 1907 study of the decay products of uranium (lead and intermediate radioactive elements that decay to lead) demonstrated to B. Boltwood that the lead/uranium ratio in uranium minerals increased with geologic age and might provide a geological dating tool.

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