Dawsonite as a daughter mineral in hydrothermal fluid inclusions

@article{Coveney1971DawsoniteAA,
  title={Dawsonite as a daughter mineral in hydrothermal fluid inclusions},
  author={Raymond Martin Coveney and William Charles Kelly},
  journal={Contributions to Mineralogy and Petrology},
  year={1971},
  volume={32},
  pages={334-342}
}
Traces of dawsonite (NaAlCO3(OH)2) are extremely common as a daughter product in fluid inclusions in gold-quartz veins and altered wallrock of the Oriental mine, Alleghany district, California. A very similar daughter salt occurs in hydrothermal inclusions in quartz from 19 other mining localities of worldwide distribution.Vein fluids of the Oriental mine were probably CO2-rich sodium bicarbonate brines that contained at least 1 weight percent dissolved aluminum. These fluids precipitated… CONTINUE READING

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