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Carbon dating how far back

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Example: wood found in a grave of known age by historically reliable documents is the standard for that time for the C14 content.

This standard content of C14 can then be used for wood not associated with a historically documented date.

Because of this relatively short half-life, radiocarbon is useful for dating items of a relatively recent vintage, as far back as roughly 50,000 years before the present epoch.

Radiocarbon dating cannot be used for older specimens, because so little carbon-14 remains in samples that it cannot be reliably measured.

The age of the carbon in the rock is different from that of the carbon in the air and makes carbon dating data for those organisms inaccurate under the assumptions normally used for carbon dating.

This restriction extends to animals that consume seafood in their diet.

He understood that archaeological artifacts were readily available.

After all, this what the archeologist guessed in their published books.

Some believe trees are known to be as old as 9,000 years. A lot of people doubt this claim for various good reasons I wont go into here.

Creationists often criticize radiocarbon dating in the context of discussions of the age of the earth.

But, as is clear even from the very brief discussion in the previous paragraph, radiocarbon dating can say nothing one way or the other about whether the earth is many millions of years old, since such dates are far beyond this method's range of resolution.