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147] has highlighted the fact that measurements of specimens from a 1801 lava flow near a volcano in Hualalai, Hawaii gave apparent ages (using the Potassium-Argon method) ranging from 160 million to 2.96 billion years, citing a 1968 study [Funkhouser1968].If your sample/s has been selected for CARD Fund support then in such cases where you have not yet had your material identified then we will ask you to send the material to Archaeological Research Services Ltd and we will assess the material and identify the most suitable sample for radiocarbon dating purposes.The CARD Fund operates via a web-based system to minimise the administrative burden and costs for both Archaeological Research Services Ltd and SUERC - this means more resource is available to plough into the fund and acquire new radiocarbon dates.Technical details on how these dates are calculated are given in Radiometric dating. As with any experimental procedure in any field of science, these measurements are subject to certain "glitches" and "anomalies," as noted in the literature.
Here is one example of an isochron, based on measurements of basaltic meteorites (in this case the resulting date is 4.4 billion years) [Basaltic1981, pg. Skeptics of old-earth geology make great hay of these examples.
We scientists who measure isotope ages do not rely entirely on the error estimates and the self-checking features of age diagnostic diagrams to evaluate the accuracy of radiometric ages.
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