Fossil age dating


20-Jun-2019 16:51

The moral of that is everything is useful in some way, known or unknown, old or new.

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Join Britannica's Publishing Partner Program and our community of experts to gain a global audience for your work! This dating method is based upon the decay of radioactive potassium-40 to radioactive argon-40 in minerals and rocks; potassium-40 also decays to calcium-40.

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This method of calculating the age of fossils is not unlike that of learning the age of a tree by its many rings.

This of course includes fossils, of animal and plant life.



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