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DOI: 10.15862/09NZOR325 (https://doi.org/10.15862/09NZOR325)

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Erokhin Yu.V., Tupikov I.N., Shiryaev P.B. Copper slags of the Neivo-Rudyansky plant (material composition and geoecology). Russian journal of resources, conservation and recycling. 2025; 12(3). Available at: https://resources.today/PDF/09NZOR325.pdf (in Russian). DOI: 10.15862/09NZOR325

Copper slags of the Neivo-Rudyansky plant (material composition and geoecology)

Erokhin Yuriy Viktorovich
The Zavaritsky Institute of Geology and Geochemistry of the Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia
E-mail: Erokhin-yu@yandex.ru
ORCID: https://orcid.org/0000-0002-0577-5898
RSCI: https://elibrary.ru/author_profile.asp?id=66412

Tupikov Ilya Nikolaevich
Secondary Educational School No. 9, Neivo-Rudyanka settlement, Russia
E-mail: tupikov.ilya@mail.ru

Shiryaev Pavel Borisovich
The Zavaritsky Institute of Geology and Geochemistry of the Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia
ORCID: https://orcid.org/0000-0002-3090-6001
RSCI: https://elibrary.ru/author_profile.asp?id=897248

Abstract. The article examines the material composition and geoecology of copper slags from the Neivo-Rudyansky plant, which operated from 1810 to 1918, around which the modern settlement of Neivo-Rudyanka (Middle Urals, Sverdlovsk Region) gradually grew. At the same time, the plant was initially built as a copper smelter and was engaged in copper smelting from 1810 to 1849 (we established this fact based on archival documents). Until recently, it was believed that the Neivo-Rudyansky plant was exclusively an iron smelter and ironworks. The material composition of the studied samples was obtained using scanning electron microscopy, inductively coupled plasma mass spectrometry, and X-ray spectral analysis. It has been established that the slags are composed of olivine (fayalite) aggregate with the presence of pyroxene, magnetite, hercynite, glass, metallic copper and sulfide mineralization (troilite, bornite, digenite, pentlandite and galena). Secondary mineralization is represented by malachite, barite and gypsum. The studied slags are waste from copper smelting production, and sulfide ores mined in mines near the plant were used as raw materials. These slags can be completely processed, namely, copper-sulfide, hercynite-magnetite and fayalite concentrates can be obtained from them, which can then be used in metallurgical processing. The studied slags, in all likelihood, pose an environmental threat to the Rudyansky pond and the village of Neivo-Rudyanka itself, because were poured directly into the pond for the road (Rudyansky pond is divided in half by a dirt road with slag inclusions).

Keywords: Middle Urals; Neivo-Rudyansky plant; copper slags; mineralogy; geochemistry; geoecology; copper; fayalite; sulfides

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