DBPapers
DOI: 10.5593/SGEM2014/B13/S4.104

APPLICATION OF MATHEMATICAL STATISTICS METHODS TO CORRELATION OF MINERALOGICAL AND CHEMICAL ROCK COMPOSITION, THE TECHNOLOGICAL PROPERTIES OF MINERALS AND ENRICHMENT INDICES

T. Bubnova
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-09-4 / ISSN 1314-2704, June 19-25, 2014, Book 1, Vol. 3, 817-822 pp

ABSTRACT
As high-quality raw material reserves are being exhausted nowadays, more attention is given to deposits which contain low-grade ores. This type of raw material is difficult to enrich. To precisely evaluate the quality of initial raw material, the typomorphic characteristics (mineralogical composition, crystallochemical and physico-mechanical characteristics) of individual minerals from the apatite-bearing carbonatites of the Tikshozero massif of alkaline pyroxenite-gabbro-carbonatite formation, North Karelia, Russia, were studied. Carbonatites were analyzed using statistical methods. To study this location using the factor analysis method, the percentages of rock-forming oxides in initial and enriched samples and technological indices were included into the initial database. Statistically significant quality prediction models of enrichment products were constructed. An optimum complex enrichment scheme for the production of apatite, calcite, magnetite and mica concentrates was selected.

Keywords: enrichment, technological properties, statistical analysis

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