Radiometric dating parent and daughter


01-Jul-2019 00:44

Since Cambrian and later rocks are largely sedimentary and igneous (volcanic) rocks are found in Cambrian and later strata, if these rocks are really 550 million years old, then life must also be at least 550 million years old.Therefore, my main concern is with rocks of the Cambrian periods and later.Thus radiometric dating methods appear to give evidence that the earth and meteorites are old, if one accepts the fact that decay rates have been constant.However, there may be other explanations for this apparent age. I also believe that the evidence indicates that the earth has recently undergone a violent catastrophe.Potassium is about 1/40 of the earth's crust, and about 1/10,000 of the potassium is potassium 40.Uranium decays to lead by a complex series of steps. Thus we obtain K-Ar dating, U-Pb dating, and Rb-Sr dating, three of the most common methods.

radiometric dating parent and daughter-48

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If these conditions are not satisfied, the error can be arbitrarily large.

We are told that of all the radiometric dates that are measured, only a few percent are anomalous.



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