Inclusions of crichtonite group minerals in pyropes from the Internatsionalnaya kimberlite pipe, Yakutia

D. I. Rezvukhin, V. G. Malkovets, I. S. Sharygin, D. V. Kuzmin, A. A. Gibsher, K. D. Litasov, N. P. Pokhilenko, N. V. Sobolev

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    Abstract

    The results of study of crichtonite group minerals in pyropes from the Internatsionalnaya kimberlite pipe are reported. Most of the studied samples are characterized by high concentrations of Sr, Ca, Na, and LREEs in comparison with minerals of the LIMA series from kimberlites of South Africa, whereas the average concentrations of Ba and K are significantly lower. Crichtonite group minerals in pyropes are characterized by predomination of Na over K in most samples and by a high concentration of Al2O3 (up to 4.5 wt %). Findings of inclusions of crichtonite group minerals with high concentrations of incompatible elements provide evidence for the metasomatic origin of host chromium-rich pyropes.

    Original languageEnglish
    Pages (from-to)206-209
    Number of pages4
    JournalDoklady Earth Sciences
    Volume466
    Issue number2
    DOIs
    Publication statusPublished - Feb 1 2016

    ASJC Scopus subject areas

    • Earth and Planetary Sciences (miscellaneous)
    • Earth and Planetary Sciences(all)

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    Rezvukhin, D. I., Malkovets, V. G., Sharygin, I. S., Kuzmin, D. V., Gibsher, A. A., Litasov, K. D., Pokhilenko, N. P., & Sobolev, N. V. (2016). Inclusions of crichtonite group minerals in pyropes from the Internatsionalnaya kimberlite pipe, Yakutia. Doklady Earth Sciences, 466(2), 206-209. https://doi.org/10.1134/S1028334X16020227