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Because radiometric dating fails to satisfy standards of testability and falsifiability, claims based on radiometric dating may fail to qualify under the Daubert standard for court-admissible scientific evidence.It is more accurate for shorter time periods (e.g., hundreds of years) during which control variables are less likely to change.

Radiometric dating is a method of determining the age of an artifact by assuming that on average decay rates have been constant (see below for the flaws in that assumption) and measuring the amount of radioactive decay that has occurred.

Radiometric dating is mostly used to determine the age of rocks, though a particular form of radiometric dating—called Radiocarbon dating—can date wood, cloth, skeletons, and other organic material.

For example, in uranium-lead dating, they use rocks containing zircon (Zr Si O Zircon and baddeleyite incorporate uranium atoms into their crystalline structure as substitutes for zirconium, but strongly reject lead.

Zincon has a very high closure temperature, is very chemically inert, and is resistant to mechanical weathering.

For these reasons, if a rock strata contains zircon, running a uranium-lead test on a zircon sample will produce a radiometric dating result that is less dependent on the initial quantity problem.

Another assumption is that the rate of decay is constant over long periods of time.

However, the temperature required to do this is in in the millions of degrees, so this cannot be achieved by any natural process that we know about.

The second way that a nucleus could be disrupted is by particles striking it.

Young earth creationists therefore claim that radiometric dating methods are not reliable and can therefore not be used to disprove Biblical chronology.

Although radiometric dating methods are widely quoted by scientists, they are inappropriate for aging the entire universe due to likely variations in decay rates.

With uranium-lead dating, for example, the process assumes the original proportion of uranium in the sample.

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