Abstract
The eastern part of the Orenburg region is the largest center of the mining and processing industry of non-ferrous metals in the Ural region. The most significant are copper pyrite deposits containing ores of various chemical compositions. As a result of the study, it was found that in the area of development of the Gayskoye deposit, geochemical halos are developed around ore bodies in the rocks of the Paleozoic, Meso-Cenozoic and weathering crusts. Landscape-geochemical conditions contribute to the wide migration of ore elements and their accumulation in various environments - soils, groundwater, vegetation. Elevated contents of all ore elements are observed, many of them exceed the MAC, Pb, Cu, Zn, As should be attributed to ecologically hazardous elements.
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