My comments:
Isochron dating is based on the assumption that decay rates are constant. Statistical evidence based on only a hundred years of observations is not sufficient support for such an assumption.
Rich Daniel added:
Kelvin didn't know about fission and fusion, which makes his calculations
irrelevant.
My comments:
That assumes that the earth gets most of heat from radioactive decay or the sun its heat from fusion. Again, the observational evidence of 100 years is insufficient to support these assumptions.
Paracelcus
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