Two methods of absolute dating

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If certain things are known, it is possible to calculate the amount of time since the parent isotope began to decay.For example, if you began with 1 gram of carbon-14, after 5,730 years you would be left with 0.50 g and only 0.25 g after 11,460 years.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.The dates must be inferred based on assumptions about the ratios.Relative ages are assigned to rocks based on the idea that rock layers lower in the strata were deposited before rock layers that are higher.Creationists do not necessarily disagree with this concept, but it can only be applied to layers that are found in one location and/or can be determined to have been deposited in a continuous layer over a very wide area.Uniformitarian geologists use so-called dating methods to determine the ages of the surrounding rocks.

The Bible gives a much different picture and explains that relying on man’s reasoning is foolishness.

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 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.

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