Radioactive dating assumptions

According to theory, the sample starts out with daughter isotopes present at constant ratios in relation to one another, but with the parent isotope, the ratio is arbitrary.

As a result it forms a straight horizontal line on a graph.

The result is that these dating methods only produce old ages for the Earth within the evolutionary theoretical system.

Within the creation theoretical system, different assumptions are used, producing different results.

Each year a tree adds a layer of wood to its trunk and branches thus creating the annual rings we see when viewing a cross section.

Wide rings are produced during wet years and narrow rings during dry seasons.

Radiometric dating utilizes the decay rates of certain radioactive atoms to date rocks or artifacts.

Uniformitarian geologists consider this form of dating strong evidence that the Earth is billions of years old.

By using dendrochronology scientists have dated certain living trees to having ages of around 4600 years.Scientists have realized that there are difficulties in dealing with the assumptions of radiometric dating.Isochron dating has been developed in an attempt to solve such problems.Concordia dating is a form of uranium/lead dating that uses a concordia diagram.The theory is that when zircons crystallize they lose all of their lead and as long as the crystal remains closed its lead/uranium ratios should follow a predictable trend.

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