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Unformatted text preview: radioactive decay it became apparent that one could use the ratio between the parent isotope and the daughter product (e.g., U238 decays through several steps to Pb206). By measuring the amount of isotope and daughter product and knowing the half life of the isotope one can estimate the absolute age of a rock formation. Problems: when the daughter material escapes and hence produces an inaccurate estimate. Additional tests with different isotopes can corroborate one another....
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- Fall '10