Estimate of composition and properties of rocks, oxidized coal and ash and slag waste as materials for biological reclamation

The article describes the main characteristics and total macro and micro elements in the samples of overburden, oxidized coal and ash and slag waste (ASW) from Raspadsky Open Pit Mine. For assessing mobility of macro and micro elements, the concentrations of watersoluble species are determined in the test sample–water extracts. Then, using the determined concentrations of macro and micro elements in the water extracts from the test samples and the reference values of maximum allowable concentration in fishery water bodies, provisional water migration coefficients are calculated for elements. It is emphasized that the test samples of overburden, oxidized coal and ASW feature a low content of potentially hazardous elements. The analysis of the water extract shows that the samples of ASE differ by a higher yield of water-soluble species of macro and micro elements than the samples of oxidized coal and overburden rocks. The water extracts from the ASW sample have an alkaline medium, while the water extracts from the samples of oxidized coal and overburden have a nearly neutral pH value. The calculation of the provisional water migration coefficient shows that the potential water pollutant contained in the test samples is copper in case of oxidized coal and overburden and vanadium and molybdenum in case of ASW. The concentrations of the other elements in the water extracts from the samples of overburden rocks, oxidized coal and ASW are much lower than their MAC values and, therefore, constitute no threat of pollution to water bodies.

Keywords: biological reclamation, overburden rocks, loam, quaternary deposits (clays with inclusion of weakly rounded pebbles and parent rock debris), oxidized coal, ash and slag waste, technical analysis, macro and micro elements, potentially hazardous elements, provisional water migration coefficient of elements.
For citation:

Shaikhislam G., Solovev T. M., Epstein S. A., Semina I. S. Estimate of composition and properties of rocks, oxidized coal and ash and slag waste as materials for biological reclamation. MIAB. Mining Inf. Anal. Bull. 2024;(7):21-37. [In Russ]. DOI: 10.25018/ 0236_1493_2024_7_0_21.


The study was carried out within the framework of the Strategic Project on the Sustainable Development Technologies of the Federal Academic Leadership Program— Priority 2030.

Issue number: 7
Year: 2024
Page number: 21-37
ISBN: 0236-1493
UDK: 658.567.1:622.33:504.064
DOI: 10.25018/0236_1493_2024_7_0_21
Article receipt date: 24.02.2024
Date of review receipt: 30.03.2024
Date of the editorial board′s decision on the article′s publishing: 10.06.2024
About authors:

G. Shaikhislam1, Graduate Student, e-mail:, ORCID ID: 0009-0004-6988-1747,
T.M. Solovev1, Cand. Sci. (Eng.), Leading Engineer of Scientific Project, e-mail:,
S.A. Epstein1, Dr. Sci. (Eng.), Professor, Head of Laboratory, e-mail:, ORCID ID: 0000-0001-8356-4319,
I.S. Semina, Cand. Sci. (Biol.), Assistant Professor, Siberian State Industrial University, 654007, Novokuznetsk, Russia, e-mail:, ORCID ID: 0000-0001-9222-0358,
1 Research Testing Laboratory of Physics and Chemistry of Coals, NUST MISIS, 119049, Moscow, Russia.


For contacts:

G. Shaikhislam, e-mail:


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