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The radiometric evidence for a 4. The basic theory of radiometric dating is briefly reviewed. Since the estimate for the age of the Earth has been based on the assumption that certain meteorite lead isotope ratios are equivalent to the...
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Carmen Cano said: Cant say I'm always comfortable with the topics as a straight laced, vanilla straight man, but they're great reads, tales in particular is thought provoking.. Radiometric dating calculates an age in years for geologic materials by measuring the presence of a short-life radioactive element, e. Radiometric age dating of meteorite material.