The isotope 14C is radioactive, and beta-decays with a half-life of 5, years. This means that in 5, years, only half of the 14C will remain, and after 11, years, only one quarter of the 14C remains. The best estimate from this dating technique says the man lived between and BC.
A potassium-argon method of dating, developed inmeasures the amount of 40Ar arising from the 40K decay and is compared to the amount of 40K remaining in the rock.
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radioactive dating definition: the determination of the age of an artifact, bone, rock, etc. based on the known rates of decay of radioactive isotopes of various. Radioactive dating definition: the determination of the age of an artifact, bone, rock, etc. based on the known rates, Meaning, pronunciation, translations and. Radioactive dating is a method of dating rocks and minerals using radioactive isotopes. This method is useful for igneous and metamorphic rocks, which cannot. Radiocarbon dating is a method that provides objective age estimates for carbon-based materials that originated from living organisms. An age could be.