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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.
As one answer to his critics, Kelvin produced a completely independent estimate -- this time for the age of the Sun.
Because radiometric dating utterly refutes their biblical interpretations, young-Earth creationists (YECs) are desperate to undermine the reliability of these dating methods.
As part of their efforts, YECs clearly believe that they can discredit K-Ar dating if they can show that excess argon routinely enters rocks and minerals as they form.
Even that significant error is only 1.19 million years (and not the 1.60 million years that Snelling claimed).
If the identical rock had been formed 50 million years ago, the K-Ar would give a "false" age of a little over 51 million years.
was published, the earth was "scientifically" determined to be 100 million years old. In 1947, science firmly established that the earth was 3.4 billion years old.
Of course, Kelvin formed his estimates of the age of the Sun without the knowledge of fusion as the true energy source of the Sun.Indeed, if Dalrymple’s data is representative, 3 times out of 26 the K-Ar method will give a too young date (though by only an extremely trivial amount for a rock that is really millions of years old). The one case that would have produced a significant error, the Hualalai flow in Hawaii, was expected (see the previous essay). Naughton, 1968, 'Radiogenic Helium and Argon in Ultramafic Inclusions from Hawaii,' J. This is truly a case of the blind leading the blind!! B., 1969, '40Ar/36Ar Analyses of Historic Lava Flows,' Earth Planet. Harrison, 1999, Geochronology and Thermochronology by the 40Ar/39Ar Method, Oxford University Press, New York.