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DOI 10.21440/2307-2091-2016-3-13-19

Rare and rare-earth elements in kyanite ores of Kola peninsula and the Urals pdf

V. A. Koroteev, V. N. Ogorodnikov, Yu. A. Polenov, A. N. Savichev

Authors distinguish two groups of productive metamorphogenic-metasomatic rocks enriched with high-alumina minerals: stratified horizons in the stratum of plagiogneisses of early Archean and Proterozoic ages widely spread in Karelia and the Kola peninsula (Keyv formation) – aluminous (kyanite) formation of shields of the ancient platforms (metamorphic, Keyv type); unstratified metasomatic rocks that form the internal and external suture zones of the gneiss blocks, polyfacial metamorphic complexes of the andalusite-sillimanite and kyanite-sillimanite thermodynamic types, formed along the uneven-aged, typically pelitic rocks, widely manifested in the Urals – aluminous formation of folded belts (hydrothermal-metasomatic, Ural type). Comparison of the distribution of rare-earth elements in the rocks enclosing kyanite deposits of Keyv suite and Ural deposits revealed that they have the same type of directivity, but in the rocks of the Kola peninsula, the amount of rare-earth elements is higher. The reason is, apparently, a larger process of metamorphism and alkaline magmatism in the Kola peninsula in the Precambrian. A detailed study of kyanite deposits allowed to determine polygenic and polychronic properties of kyanite ores, as well as to identify three natural morphogenetic ore types: metamorphic, metamorphogenic-metasomatic and metasomatic. Comparison of the rare-earth elements shows that the metamorphogenic kyanites contain the greatest amount of rare-earth elements, and the lowest contents are characteristic for the metasomatic kyanites from quartz veins selvages and kyanite porphyroblasts of recrystallization zones. Deposit reserves of the metamorphogenic-metasomatic kyanites are low. In order to increase their economic importance the authors advise to implement the industrial development of kyanite deposits containing rare and rare-earth elements at levels that allow under certain dressing technologies to carry out their complementary profitable extraction.

Keywords: rare elements; dispersed elements; kyanite ore; Urals; Kola peninsula; factor analysis; aluminous formation.

 

REFERENCES

1. Belyaev K. D., Ganeev I. G., Chayka V. I., Chernov V. D. 1996, Rudnye resursy i ikh razmeshchenie po geoepokham. Redkie metally: tantal, niobiy, skandiy, redkie zemli, tsirkoniy, gafniy. Spravochnoe posobie [Ore resources and their placement along the geo eras. Rare metals: tantalum, niobium, scandium, rare-earths, zirconium, hafnium. A Reference guide], Moscow, 176 p.
2. Ogorodnikov V. N., Sazonov V. N., Polenov Yu. A. 2007, Minerageniya shovnykh zon Urala. Ufaleyskiy gneysovo-amfibolitovyy kompleks (Yuzhnyy Ural) [Minerageny suture zones of the Urals. Ufaley gneiss-amphibolite complex (the South Urals)], Ekaterinburg, 187 p.
3. Ogorodnikov V. N., Sazonov V. N., Polenov Yu. A. 2004, Minerageniya shovnykh zon Urala. Kochkarskiy rudnyy rayon (Yuzhnyy Ural) [Minerageny suture zones of the Urals. Kochkarskoye ore district (Southern Urals)], Ekaterinburg, 216 p.
4. Koroteev V. A., Ogorodnikov V. N., Voytekhovskiy Yu. L., Shchiptsov V. V., Polenov Yu. A., Savichev A. N., Koroteev D. V. 2011, Neboksitovoe alyuminievoe syr’e Rossii [Non bauxite aluminum raw materials of Russia], Ekaterinburg, 228 p.
5. Ogorodnikov V. N., Koroteev V. A., Voytekhovskiy Yu. L., Shchiptsov V. V., Polenov Yu. A., Neradovskiy Yu. N., Skamnitskaya L. S., Savichev A. N., Koroteev D. V. 2012, Kianitovye rudy Rossii [Kyanite ores of Russia]. Ekaterinburg, 334 p.
6. Rozanov K. I., Mineev D. A. 1973, Geokhimicheskaya kharakteristika dokembriyskikh granitoidov Priazov’ya [Geochemical characteristics of Precambrian granitoids of the Priazovye]. Geokhimiya [Geochemistry International], no. 2, pp.
238–249.
7. Bel’kov I. V. 1963, Kianitovye slantsy svity Keyv [Kyanite schists of the Keyv formation], Moscow, 136 p.
8. Bel’kov I. V. 1981, Mineral’nye mestorozhdeniya Kol’skogo poluostrova [Mineral deposits of the Kola peninsula], Leningrad, pp. 163–177.
9. Lutts B. G., Mineev D. A. 1967, Redkie elementy v porodakh razlichnykh metamorficheskikh fatsiy [Rare elements in the rocks of various metamorphic facies], Moscow, pp. 59–104.
10. Voytekhovskiy Yu. L. 2010, Kianitovye slantsy B. Keyv – strategicheskiy resurs Rossii. Problemy osvoeniya kianitovykh mestorozhdeniy Kol’skogo poluostrova, Karelii i Urala [Kyanite schists of Keyv – Russia’s strategic resource.
Problems of development of kyanite deposits of the Kola peninsula, Karelia and the Urals], Apatity, pp. 3–21.
11. Kameneva E. E., Skamnitskaya L. S., Shchiptsov V. V. Bukchina O. V. 2003, Osobennosti veshchestvennogo sostava i tekhnologicheskie svoystva kianitovykh rud Khizovaarskogo mestorozhdeniya [Features of material composition and
technological properties of kyanite ore deposits of Hizovaarsk deposit]. Obogashchenie rud [Ore dressing], no. 6, pp. 17–21.
12. Shchiptsov V. V., Skamnitskaya L. S., Bubnova T. P., Danilevskaya D. A. 2010, Rol’ geologicheskikh, mineralogicheskikh i tekhnologicheskikh issledovaniy Instituta geologii KarNTs RAN v otsenke potentsiala mineral’no-syr’evoy bazy
Respubliki Kareliya. Sb. nauchn. tr. «Tekhnologicheskaya mineralogiya, metody pererabotki mineral’nogo syr’ya i novye materialy [The role of the geological, mineralogical and technological researches of the Institute of Geology of Karelian Research Centre of Russian Academy of Sciences to assess the potential of the mineral resource base of the Republic of Karelia. Collection of scientific papers «Technological mineralogy, methods for recycling of mineral products and new materials], Petrozavodsk, pp. 37–55.

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