Email this article Experimental study of formation of chromian priderite and yimengite as products of modal mantle metasomatism
- Authors: Butvina V.G.1, Vorobey S.S.2, Safonov O.G.1, Varlamov D.A.1, Bondarenko G.V.1, Shapovalov Y.B.1
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Affiliations:
- D.S. Korzhinskii Institute of Experimental Mineralogy of Russian Academy of Sciences
- Lomonosov Moscow State University
- Issue: Vol 486, No 6 (2019)
- Pages: 709-713
- Section: Geochemistry
- URL: https://journals.eco-vector.com/0869-5652/article/view/14511
- DOI: https://doi.org/10.31857/S0869-56524866709-713
- ID: 14511
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Abstract
The article presents the data of a series of experiments on the synthesis of exotic titanates (priderite and yimengite) as a result of the reproduction of metasomatic conditions of transformation of mantle minerals (chromite, ilmenite). It was first synthesized chromian priderite not containing Ba. The experiments showed the possibility of crystallization of this mineral as a reaction product of high-chromium spinel and rutile with potassium aqueous carbonate fluid (melt) in the upper mantle. In particular, the obtained experimental data allow us to interpret the relationship between K-Cr-priderite and carbonate-silicate inclusions in chromites of Bohemian garnet peridotites. In the experimental study of the reaction of chromite and ilmenite with aqueous potassium-carbonate fluid (melt) obtained both phases of titanates (priderite and yimengite) - indicator minerals, mantle metasomatism, which directly confirms the possibility of formation of yimengite and K-Cr-priderite and other titanates, the result of mantle metasomatism of upper mantle peridotite under conditions of the highest activity of potassium.
About the authors
V. G. Butvina
D.S. Korzhinskii Institute of Experimental Mineralogy of Russian Academy of Sciences
Author for correspondence.
Email: butvina@iem.ac.ru
Russian Federation, 4, Academica Osypyana ul., Chernogolovka, Moscow region, 142432
S. S. Vorobey
Lomonosov Moscow State University
Email: butvina@iem.ac.ru
Russian Federation, 1, Leninskie gory, Moscow, 119991
O. G. Safonov
D.S. Korzhinskii Institute of Experimental Mineralogy of Russian Academy of Sciences
Email: butvina@iem.ac.ru
Russian Federation, 4, Academica Osypyana ul., Chernogolovka, Moscow region, 142432
D. A. Varlamov
D.S. Korzhinskii Institute of Experimental Mineralogy of Russian Academy of Sciences
Email: butvina@iem.ac.ru
Russian Federation, 4, Academica Osypyana ul., Chernogolovka, Moscow region, 142432
G. V. Bondarenko
D.S. Korzhinskii Institute of Experimental Mineralogy of Russian Academy of Sciences
Email: butvina@iem.ac.ru
Russian Federation, 4, Academica Osypyana ul., Chernogolovka, Moscow region, 142432
Yu. B. Shapovalov
D.S. Korzhinskii Institute of Experimental Mineralogy of Russian Academy of Sciences
Email: butvina@iem.ac.ru
Corresponding Member of the Russian Academy of Sciences
Russian Federation, 4, Academica Osypyana ul., Chernogolovka, Moscow region, 142432References
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