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ArticleName Geoecologic situation at site of drainage brine utilization during development of primary deposits in Yakutia
DOI 10.17580/em.2019.01.11
ArticleAuthor Legostaeva Y. B., Ksenofontova M. I., Popov V. F.

Diamond and Precious Metal Geology Institute, Siberian Branch, Russian Academy of Sciences, Yakutsk, Russia:

Legostaeva Y. B., Leading Researcher, Candidate of Biological Sciences,


Ammosov North-Eastern Federal University, Yakutsk, Russia:
Ksenofontova M. I., Senior Researcher of Research Institute of applied ecology, Candidate of Geographic Sciences
Popov V. F., Associate Professor of Faculty of Geologic and Survey


Development of primary diamond deposits in Yakutia is related to involvement of significant amount of brines from subpermafrost water complexes in mine working. Safe removal of them is important for diamond production and safe geoecologic conditions of the region. Geoecologic conditions of subsurface polygons of drainage waters at the industrial site of the Udachninsky mining-and-processing facility ("ALROSA" company) are estimated, based on analysis and generalization of the results of studies of microelement composition of soil of natural landscapes, ground of technogenically transformed landscapes, bottom sediments and surface water. Purposeful changes of cryosilic-hydrogeologic conditions at subsurface polygons of drainage water disposal provide the potential for diamond extraction and they uniquely and justifiably affect subsurface cryohydrosphere. But, at the same time, complexity and dynamism of cryohydrogeologic conditions, increase of water supply into the mine working and probable excess of capacity of drainage brine storages increase ecologic risks."Perennially frozen rocks – drainage brine" system represents natural-technogenic geosystem, which instability is determined by changes of temperature, mechanic, physical-chemical and chemical values of its components. Origin of emergences of highly mineralized water is due to the faults, changes of hydrogeodynamic conditions. Abiotic components of the ecosystem reflect variations of biogeochemical parameters of natural and technogenic geochemical anomaly of the area. Spatial distribution of microelement composition of soil, bottom sediments and surface water is characterized by increased concentrations of wide variety of elements, including strontium, lithium and barium – markers of highly mineralized subsurface water impact on abiotic components of the ecosystem.

keywords Geoecology, cryolithozone, hyfrogeology, geothermal section, industrial waste, drainage water, perennially frozen rocks, highly mineralized water, ecosystem, abiotic components

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Full content Geoecologic situation at site of drainage brine utilization during development of primary deposits in Yakutia