Calculation of uncertainties of U-Pb isotope data |
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| Authors: | Kenneth R Ludwig |
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| Institution: | U.S. Geological Survey, Denver, CO 80225 U.S.A. |
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| Abstract: | Equations are derived for the estimation of errors and error correlations for various types of U-Pb isotope data, taking into account ion-beam instabilities, run-to-run variability in mass-discrimination, uncertainties in Pb and U concentrations, and uncertainties in initial-Pb and blank-Pb amount and isotopic composition. Equations are also given for the calculation of concordia intercept errors. |
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