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200th Anniversary Meeting of the Russian Mineralogical Society
Saint Petersburg, Russia
9-12 October 2017
2017minsoc.ru
http://www.minsoc.ru/2017/
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The Kovdor phoscorite-carbonatite complex as the largest scandium source in Russia

RMS-DPI code:  2017-1-95-0
Scientific session:  3. Applied mineralogy in exploration and technology.
Author listing:  Kalashnikov A.O., Yakovenchuk V.N., Pakhomovsky Ya.A., Panikorovsky T., Konoplyova N.G., Bazai A.V., Mikhailova J.A., Goryainov P.M., Krivovichev S.V., Ivanjuk G.Y.
Principal author:  Ivanjuk Gregory Yu.
Language:  Russian
Abstract - Summary 
(short description):
In this contribution, we report data on Sc distribution within the Kovdor magnetite-apatite-baddeleyite deposit, which seems to be a significant reservoir of this strategic metal. We show that baddeleyite is the main Sc-concentrating mineral (2Zr4+ ↔ Sc3+Nb5+), and reveal spatial distribution of Sc-bearing baddeleyite within the Kovdor phoscorite-carbonatite pipe. Scandium content in baddeleyite differs according to petrographic zonation of the pipe culminating in its axial zone. We have estimated inferred resources of Sc2O3 in the Kovdor deposit as amounting to 420 t at average content in baddeleyite of 0.078 wt. %. Other Sc-bearing minerals, juonniite and kampelite, are characteristic products of Sc-rich balleleyite alteration into pyrochlore.

Scandium, baddeleyite, juonniite, kampelite, phoscorite, carbonatite, Kovdor
 
RMS-DPI code:  2017-1-95-0
Pages:  83-85
File of proceedings 
(PDF): 
 235 K
Status:  printed
Accepted:  16/09/2017
Published on-line:  07/12/2017
Permanent address of publication:  http://www.minsoc.ru/2017-1-95-0/
Contact author(s):  Ivanjuk, Gregory Yu.
 

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