Radiocarbon dating problem solving

Posted by / 23-Jul-2019 01:26

Radiocarbon dating problem solving

Radiometric dating — through processes similar to those outlined in the example problem above — frequently reveals that rocks, fossils, etc.

are very much older than the approximately 6,000 to 10,000 years reckoned by young earth creationists.

Some isotopes have half lives longer than the present age of the universe, but they are still subject to the same laws of quantum physics and will eventually decay, even if doing so at a time when all remaining atoms in the universe are separated by astronomical distances.

Various elements are used for dating different time periods; ones with relatively short half-lives like carbon-14 (or C) are useful for dating once-living objects (since they include atmospheric carbon from when they were alive) from about ten to fifty thousand years old. Longer-lived isotopes provide dating information for much older times.

One problem is that potassium is also highly mobile and may move into older rocks.

This depends on the decay of uranium-237 and uranium-238 to isotopes of lead.

However it is less useful for dating metal or other inorganic objects.The oldest rock so far dated is a zircon crystal that formed 4.4-billion-years ago, which was only 200 million years or so after the Earth itself formed.YEC biblical literalists are necessarily bound to the dogmatic religious conclusion that the Earth is of a certain age based on a particular literal interpretation of the Genesis creation myth.We can measure directly, for example by using a radiation detector, and obtain a good estimate of by analyzing the chemical composition of the sample.The half-life , specific to each nuclide, can be accurately measured on a pure sample, and is known to be independent of the chemical composition of the sample, temperature and pressure.

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