How old is the earth based on radiometric dating

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Organisms usually need to be covered by mud, sand, tar or some other sediment as soon as possible or frozen or dessicated (dried out) for fossilization to occur.

Fossils, by definition, are the remains or traces of organisms that lived at least 10,000 years ago.

Libby received the Nobel Prize in Chemistry for his work in 1960.

By contrast, methane created from petroleum showed no radiocarbon activity because of its age.

The results were summarized in a paper in Science in 1947, in which the authors commented that their results implied it would be possible to date materials containing carbon of organic origin.

Radiocarbon dates come from organic matter that contain the element carbon.

Ice cores, pollen, wood, hair, bone, shell, bird egg shell, and coral are some of the things datable by this technology which depends on measuring the atomic decay rate of carbon isotopes.

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