Radiocarbon dating on fossils

For example, preliminary analyses of fossil bones reveal carbon-13 to carbon-12 ratios very similar to ratios found in modern bones, despite the fact that carbon-13 is very rare.

What are the odds that contaminating processes from different locations would coincidentally produce the precise carbon-13 to carbon-12 ratios that mimic fresh bones?

His long list of secular publications cited radiocarbon in coal, oil, and marble.

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At an ar­chaeological dig, a piece of wooden tool is unearthed and the archaeologist finds it to be 5,000 years old.No measurable amounts should exist in samples older than about 100,000 years because radiocarbon atoms would decay into nitrogen-14 before then.However, we keep finding carbon-14 in materials designated as tens or even hundreds of millions of years old.If Cenozoic, Mesozoic, and Paleozoic sources were deposited in the single Flood year, we would expect them to contain comparable amounts of radiocarbon.We found exactly that in almost 50 samples taken from throughout the geologic column.

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