Dinosaur radiometric dating


05-Oct-2019 22:58

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This is what archaeologists use to determine the age of human-made artifacts. The half-life of carbon-14 is only 5,730 years, so carbon-14 dating is only effective on samples that are less than 50,000 years old.

These layers are like bookends — they give a beginning and an end to the period of time when the sedimentary rock formed.Fossils, however, form in sedimentary rock — sediment quickly covers a dinosaur’s body, and the sediment and the bones gradually turn into rock.