A novel iron sulphide mineral switch and its implications for Earth and planetary science

@inproceedings{Rickard2001ANI,
  title={A novel iron sulphide mineral switch and its implications for Earth and planetary science},
  author={David Rickard and Ian B. Butler and Anthony Oldroyd},
  year={2001}
}
We report that iron sulphide mineral products of different compositions and oxidation states are produced by the catalytic activities of aldehydic carbonyl groups. We show that the product of the oxidation of iron(II) monosulphide (FeS) by aqueous H2S at temperatures between 40 and 100°C under anoxic conditions is dependent on the presence of catalytic quantities of aldehydes. The products switch between the ferrimagnetic thiospinel, greigite (Fe3S4) and the iron disulphide, pyrite (FeS2… CONTINUE READING

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RIPENING KINETICS OF IRON SULFIDES IN THE PRESENCE/ABSENCE OF A CARBONYL GROUP

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Pyrite formation from FeS and H2S is mediated through microbial redox activity

  • Proceedings of the National Academy of Sciences of the United States of America
  • 2019
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