Origin of REE-rich ferrocarbonatites in southern Siberia (Russia): implications based on melt and fluid inclusions

@article{Prokopyev2016OriginOR,
  title={Origin of REE-rich ferrocarbonatites in southern Siberia (Russia): implications based on melt and fluid inclusions},
  author={Ilya R. Prokopyev and Alexander S. Borisenko and A. A. Borovikov and G. G. Pavlova},
  journal={Mineralogy and Petrology},
  year={2016},
  volume={110},
  pages={845-859}
}
Fe-rich carbonatites with a mineral assemblage of ankerite-calcite or siderite are widespread in southern Siberia, Russia. The siderite carbonatites are associated with F-Ba-Sr-REE mineralization and have a 40Ar/39Ar age of 117.2 ± 1.3 Ma. Melt and fluid inclusions suggest that the carbonatites formed from volatile-rich alkali- and chloride-bearing carbonate melts. Ankerite-calcite carbonatites formed from carbonatite melt at a temperature of more than 790 °C. The ferrocarbonatites (the second… CONTINUE READING

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