Re–Os isotope evidence for the composition, formation and age of the lower continental crust

@article{Saal1998ReOsIE,
  title={Re–Os isotope evidence for the composition, formation and age of the lower continental crust},
  author={A. Saal and R. Rudnick and G. Ravizza and S. Hart},
  journal={Nature},
  year={1998},
  volume={393},
  pages={58-61}
}
Knowledge of the composition of the lower continental crust is important for understanding the formation and evolution of the crust as a whole, and the petrogenesis of continental basalts. Here we present rhenium–osmium isotope data for two well characterized suites of lower-crustal xenoliths from North Queensland, Australia, which have average major- and trace-element compositions similar to estimates of the bulk lower continental crust,. Our data indicate that the lower crust has 1 to 2 times… Expand
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