Potassium argon method radiometric dating

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.Potassium–argon dating, abbreviated K–Ar dating, is a radiometric dating method used in geochronology and archaeology.It is based on measurement of the product of the radioactive decay of an isotope of potassium (K) into argon (Ar).The great commission tells us to preach the Gospel to every nation.We might not be able to go there in the flesh but this site can penetrate every country on the globe. His result was in close agreement with his estimate of the age of the earth.The solar estimate was based on the idea that the energy supply for the solar radioactive flux is gravitational contraction.

These factors introduce error limits on the upper and lower bounds of dating, so that final determination of age is reliant on the environmental factors during formation, melting, and exposure to decreased pressure and/or open-air.

This is perhaps the closest approach to an ideal dating system. Furthermore, since argon is an inert gas and doesn't combine naturally with other elements, it has no business being in a crystal lattice at all.

It can only be there if it formed by radioactive decay.

The calcium-potassium age method is seldom used, however, because of the great abundance of nonradiogenic calcium in minerals or rocks, which masks the presence of radiogenic calcium.

On the other hand, the abundance of argon in the is relatively small because of its escape to the atmosphere during processes associated with volcanism.

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