Nature research paper: Nd isotope variation between the Earth–Moon system and enstatite chondrites
Nd = −7.3 ± 1.6 are plotted. The mixing lines between CAI’s and CAI-free Allende that go through the Allende values are shown in solid grey. All μNd values for CAIs and chondrites have been corrected for radiogenic ingrowth. All uncertainties show the 95% CI for the weighted group average. Where no error bars are shown, the symbols for the respective compositions are larger than the errors.
In these diagrams, all of the group averages show that the differences in chondrites and Earth at 0 are consistent with s-process abundance differences and confirms earlier studies. The deviations in the carbonaceous chondrite group average from the s-deficit lines relative to Earth in E and F, may reflect and additional and poorly constrained Nd isotope component in the CC nebular region not found in the inner Solar System.
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