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Radioactive dating carbon and uranium

Radioactive dating carbon and uranium

Uranium can be used to date the age of the earth. Note no fossils contain Uranium Uranium is only found in igneous or volcanic rocks. So no fossils can be dated directly using U Because of the huge differences in the half lives of Carbon 14 and Uranium they cannot be used together.

Carbon 14 can only be used to date fossils of a very recent age.