Nebel-Jacobsen, Yona; Scherer, Erik E; Munker, Carsten; Mezger, Klaus
The U-Pb system has long been used to precisely date zircons because the high U-to-common-Pb ratio in zircon produces very radiogenic Pb isotope compositions over time. In contrast to U/Pb, zircon has very low Lu/Hf and therefore unradiogenic Hf, making this mineral ideally suited for determining the initial Hf composition of its original host rock. A new chemical separation technique presented here enables the determination of both U-Pb age and initial Hf isotope composition of individual...[Show more]
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