Potassium argon isotope dating best atheist dating site
This dating method is still under development following its introduction in early 21st century.
It has been shown to reproduce accurate dates comparing to the known ages of antique artefacts, ancient ruins, etc.
Coal is nearly pure carbon and petroleum is a mixture of hydrocarbons.
By the end of the Twentieth Century, humans were adding carbon from fossil fuels to the atmosphere at a rate of about 10 billion tonnes per year (10 kg) a few years into the Twenty-first Century.
This activity reached its peak in the early 1960s when an atmospheric blast occurred somewhere on earth every two to three days.
Nuclear bombs generate large numbers of high energy neutrons, which can in turn transmute nitrogen 14 into carbon 14 in exactly the same way as naturally occurring secondary cosmic rays.
About one carbon atom in a trillion (10) contains a radioactive nucleus with 6 protons and 8 neutrons — carbon 14.Bacteria, fungi, and animals eat these plants and each other.In this way, atmospheric carbon is distributed throughout the web of life until every living thing has the same ratio of C as the atmosphere. Plants and animals tend to favor lighter nuclei just a bit.The age of a piece of antique can be determined by its style in certain period, the age of fossil is related to the stratification etc.Discovery of radioactive elements provides the mean to date objects in term of years.
As a first approximation one can assume this, but more accurate results must take into account fluctuations in the intensity of the cosmic rays entering the Earth's atmosphere.