Uranium lead dating process

There were indeed powerful and unknown sources of energy fueling the Sun’s energy output.The same is true of the basis of Kelvin’s estimate of the age of the Earth.However, before this time some very popular indirect methods were available.For example, Lord Kelvin had estimated the ages of both the Earth and the Sun based on cooling rates.


In these early studies the order of sedimentary rocks and structures were used to date geologic time periods and events in a relative way.The answer of 25 million years deduced by Kelvin was not received favorably by geologists.Both the physical geologists and paleontologists could point to evidence that much more time was needed to produce what they saw in the stratigraphic and fossil records.This just goes to show that just because independent estimates of age seem to agree with each other doesn’t mean that they’re correct – despite the fact that this particular argument is the very same one used to support the validity of radiometric dating today.

Other factors and basic assumptions must also be considered.As one answer to his critics, Kelvin produced a completely independent estimate — this time for the age of the Sun.



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