Home > Archive > No. 2 (202) 2026 > 19–30
Geology & Geochemistry of Combustible Minerals No. 2 (202) 2026, 19–30
ISSN 0869-0774 (Print), ISSN 2786-8621 (Online)
https://doi.org/
Ariadna IVANOVAa, Lyudmyla ZAITSEVAb, Viktor GAVRYLTSEV c
Institute of Geological Sciences of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
a e-mail: ariadna.v.ivanova@gmail.com, https://orcid.org/0000-0001-6540-5605
b e-mail: l.b.zaitseva@gmail.com, https://orcid.org/0000-0002-2572-3139
c e-mail: gavriltsev@gmail.com, https://orcid.org/0000-0002-4234-2282
Abstract
The coal in the Dnieper brown coal basin contains high-quality bitumen, which is a raw material used in the production of lignite wax for a number of industries. A quantitative assessment of the variability of bituminousness from a number of indicators, with a possible genetic interpretation, revealed a dependence of bitumen yield on the petrographic composition of coal, as well as on some of its chemical and technological parameters. A positive correlation was found between bituminousness and the content of microcomponents of the liptinite group (primarily bituminite-desmite), the yield of volatiles, and the elemental composition of coal. Conversely, an inverse dependence was found between bitumen content and ash content and ash-forming components, as well as between bitumen content and humic acids. Insignificant correlations of bitumen with some rare elements in the Verkhniodniprovske deposit were revealed. Based on an analysis of the distribution of bitumen across the Verkhnyodniprovske deposit, as well as the Leifman – Vassoevich and Werner coefficient values, it can be concluded that marine conditions stimulate the transformation of organic matter, particularly the formation of bitumen. A slight decrease in bituminosity was detected in the marginal parts of the Verkhnyodneprovske deposit. It is hypothesised that these areas of peatland were situated on the slopes of an erosion-tectonic paleovalley, where the impact of seawater on the transformation of organic matter was less significant. The positive impact of marine conditions on bitumen formation is also illustrated on the example of the Novomyrhorod, Myronivske and Orativske deposits. No dependence of bituminosity was found on the thickness of the seam, the rocks of the roof and base, or the depth of its occurrence.
Keywords
brown coal, bituminosity, wax, resin, rare and trace elements
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Received: March 9, 2026
Accepted: April 21, 2026
Published: May, 2026