Influence of morphological types of ilmenite on processability of titanomagnetite ore of Gusevogorskoe deposit

The article presents the results of mineralogical and technological studies into influence exerted by morphological types of ilmenite on magnetic separation of titanomagnetite ore of Gusevogorskoe deposit. The occurrence forms of ilmenite in titanomagnetite ore are represented by the decomposition products of solid solution of magnetite and by the products of collective recrystallization during metamorphism, in the form of lamellae of ilmenite into magnetite and compact grains of ilmenite in accretions with magnetite. The electron-probe microanalysis data on composition of morphological types of ilmenite in titanomagnetite ore samples subjected to magnetic separation are presented. To assess the influence of morphological types of ilmenite on beneficiation of titanomagnetite ore, the test ore samples were divided into magnetic fractions and into electromagnetic fractions I, II and III based on their magnetic properties. The quantitative assessment of the size of the magnetic fractions was performed, and the percentage ratio of the extracted mineral phases was determined. The X-ray phase analysis results on the magnetic fraction of the test samples are presented. Based on the experimental separation outcomes, the influence of morphological types of ilmenite on magnetite concentration in the magnetic fraction was analyzed. The results obtained will serve as an information basis for the further studies aimed at optimizing the magnetic separation modes during processing of titanomagnetite ore from Gusevogorskoe and Kachkanar deposits.

Titov R. S. Influence of morphological types of ilmenite on processability of titanomagnetite ore of Gusevogorskoe deposit. MIAB. Mining Inf. Anal. Bull. 2021;(5—1):192—205. [In Russ]. DOI: 10.25018/0236_1493_2021_51_0_192.

Titov R. S., senior researcher, Quality management sector, Institute of Mining of Ural branch of RAS, Ekaterinburg, Russia, ukr07@mail.ru.

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