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claudia-bouman
Team TFS
Team TFS
Clarifying the zircon Hf isotope record of crust–mantle evolution
Jeffery D. Vervoort (1), Anthony I.S. Kemp (2)
1) School of the Environment, Washington State University, Pullman, WA 99163, USA, 2) School of Earth and Environment, The University of Western Australia, Crawley, WA, Australia
Chemical Geology (2016), V425, pp65-75, doi: 10.1016/j.chemgeo.2016.01.023
In this paper we review several important issues related to unraveling the complexities of integrated U–Pb age and Hf isotope datasets, especially with respect to understanding crust–mantle evolution. In particular, we address the potential difficulty of assigning accurate initial Hf isotope compositions as well as some of the inherent problems associated with so-called “depleted-mantle model ages”. Finally, we make some suggestions regarding the optimum analytical approach and presentation of the Hf (and Nd) isotope data to obtain the clearest record of Earth's chemical evolution
  • MC-ICPMS
  • Neptune
  • Hf isotopes
  • U-Pb geochrononolgy
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