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recarbon dating

recarbon dating

Analysis of speciated volatile nitrosamines in Radiocarbon dating is generally limited to dating samples no more than 50, years old, as samples older than that have insufficient 14 C to be measurable. Stonehenge fits the heavens as they were almost four thousand years ago, not as they are today, thereby cross-verifying the C dates. Additionally, there are certain metals that contain carbon in their composition. This effect is known as isotopic fractionation. However, the amount of C has not been rising steadily as Cook maintains; instead, it has fluctuated up and down over the past ten thousand years. As a result, archaeologists believed that the Western megalith-building cultures had to be younger than the Near Eastern civilizations.

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