Uranium lead dating process
However, on the whole, he thought that these sources were not adequate to account for anything more than a small faction of the heat lost by the Earth.
"Physicists suddenly gained a new respect for geologists."For the record, the universe is now thought to have debuted, at least in its latest incarnation, about 13.7 billion ago.
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.
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.