Abstract
The authors study the engineering geological characteristics and material constitution of loparite ore mill tailings in the active disposal area and in the dump decommissioned more than 30 years ago. The material constitutions and the contents of valuable components are nonunform in the test tailings. The content of light rare earth elements in fine fraction (–0.071 mm) is 1.5–2 times higher than in the composite sample. Based on the calculated effective specific activity of natural radionuclides 226Ra, 232Th and 40K, the composite sample and the tailings fines belong in waste categories I and II, respectively.
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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2021, No. 3, pp. 190-198. https://doi.org/10.15372/FTPRPI20210318.
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Krasavtseva, E.A., Makarov, D.V., Maksimova, V.V. et al. Studies of Properties and Composition of Loparite Ore Mill Tailings. J Min Sci 57, 531–538 (2021). https://doi.org/10.1134/S1062739121030182
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DOI: https://doi.org/10.1134/S1062739121030182