Half life used radiometric dating

However, there are many methods that can be used to determine the age of the earth or other objects.The textbooks focus on relative dating, based on the layering of the rocks, and radiometric dating.

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Recent research by a team of creation scientists known as the RATE (arth) group has demonstrated the unreliability of radiometric dating techniques.

Even the use of isochron dating, which is supposed to eliminate some initial condition assumptions, produces dates that are not reliable.

The claimed “fact” that decay rates have always been constant is actually an inference based on a uniformitarian assumption.

It is true that radioisotope decay rates are stable today and are not largely affected by external conditions like change in temperature and pressure, but that does not mean that the rate has always been constant.

The starting isotope is called the parent and the end-product is called the daughter.

The time it takes for one half of the parent atoms to decay to the daughter atoms is called the half-life.There is also a difference in the timescale used to explain the layers.Determining the relative age of a rock layer is based on the assumption that you know the ages of the rocks surrounding it.Far from being data, these dates are actually interpretations of the data.As discussed before, the assumptions influence the interpretation of the data.It is possible to measure the ratio of the different radioactive parent isotopes and their daughter isotopes in a rock, but the ratios are not dates or ages.

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