Oxygen isotope trends of granitic magmatism in the Great Basin : Location of the Precambrian craton boundary as reflected in zircons

@inproceedings{KingOxygenIT,
  title={Oxygen isotope trends of granitic magmatism in the Great Basin : Location of the Precambrian craton boundary as reflected in zircons},
  author={Elizabeth M. King and John Witte Grand Valley and Daniel F. Stockli and James E. Wright}
}
The d18O values of magmas in the Great Basin help to decipher the tectonic assembly of North America and to determine the magmatic source and potentially the composition of the crust at depth. Igneous zircons from Precambrian, Jurassic, Cretaceous, and Tertiary intrusive bodies of the northern Great Basin best preserve the record of magmatic oxygen isotope ratios. The variation of d18O values in zircon with age reconciles previous differences in interpretation based on dOWR and radiogenic… CONTINUE READING

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