• DOI:10.1007/s00410-015-1111-1
Corpus ID: 129243867

The oxygen fugacity at which graphite or diamond forms from carbonate-bearing melts in eclogitic rocks

@article{Stagno2015TheOF,
  title={The oxygen fugacity at which graphite or diamond forms from carbonate-bearing melts in eclogitic rocks},
  author={V. Stagno and D. Frost and C. McCammon and H. Mohseni and Y. Fei},
  journal={Contributions to Mineralogy and Petrology},
  year={2015},
  volume={169},
  pages={1-18}
}

V. Stagno, D. Frost, +2 authors Y. Fei

Published 2015

Geology

Contributions to Mineralogy and Petrology

The oxygen fugacity (fO2) at which carbonate-bearing melts are reduced to either graphite or diamond in synthetic eclogite compositions has been measured in multi-anvil experiments performed at pressures between 3 and 7 GPa and temperatures between 800 and 1,300 °C using iron–iridium and iron–platinum alloys as sliding redox sensors. The determined oxygen fugacities buffered by the coexistence of elemental carbon and carbonate-bearing melt are approximately 1 log unit below thermodynamic… CONTINUE READING

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