Doklady Earth Sciences

, Volume 467, Issue 1, pp 270–274 | Cite as

Tychite in mantle xenoliths from kimberlites: The first find and a new genetic type

  • I. S. Sharygin
  • A. V. Golovin
  • A. V. Korsakov
  • N. P. Pokhilenko


Tychite Na6Mg2(CO3)4(SO3) is a rare natural Na and Mg sulfatocarbonate. It is found only as minor mineral in deposits of saline lakes in the United States, Canada, Uganda, and China. In these continental evaporites tychite has sedimentary genesis. In this study, we report the first occurrence of tychite as a crystal phase in the melt inclusions in olivine from mantle xenoliths of the Udachnaya-East kimberlite pipe. This find provides an evidence for the probability of tychite crystallization from melts; i.e., this rare sulfatocarbonate may have a magmatic origin as well.


Olivine Raman Spectrum Mantle Xenolith Mirabilite Raman Mapping 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • I. S. Sharygin
    • 1
  • A. V. Golovin
    • 1
  • A. V. Korsakov
    • 1
  • N. P. Pokhilenko
    • 1
  1. 1.Sobolev Institute of Geology and Mineralogy, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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