SAFETY OF BUILDING SYSTEMS. ECOLOGICAL PROBLEMS OF CONSTRUCTION PROJECTS. GEOECOLOGY

ASSESSMENT OF THE CHEMICAL POLLUTION OF THE SOIL, GROUND AND BOTTOM SEDIMENTS AT KLEN GOLD AND SILVER DEPOSIT

Vestnik MGSU 5/2012
  • Bryukhan' Fedor Fedorovich - Moscow State University of Civil Engineering (MSUCE) Professor, Doctor of Technical Sciences, +7 (495) 922-83-19, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Lebedev Viktor Vadimovich - Regional'naya Gornorudnaya Kompaniya Open Joint Stock Company project manager +7 (495) 777-31-04, Regional'naya Gornorudnaya Kompaniya Open Joint Stock Company, Building 1, 4 Sadovnicheskaya St., Moscow, 115035, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 150 - 155

Currently, prospecting and design-related works are performed prior to the upcoming launch of mining operations at Klen gold and silver deposit in Chukot Autonomous District. The anthropogenic impact of the geological exploration in this intact territory has been produced since 1984. A considerable amount of borehole drilling, prospecting, road building, and temporary housing development has been performed. The engineering research, including ecological surveys, has been completed to assess the ecological impact of upcoming exploratory and mining operations at the deposit. Assessment of the geochemical condition of the landscape constituents, including the soil, ground and bottom sediments is of special importance in terms of their engineering protection and rational management of the natural environment.
The above assessments were based on the field sampling made by «Sibgeoconsulting», CJSC (Krasnoyarsk) and the laboratory research made by accredited laboratories of Federal State Unitary Geological Enterprise «Urangeolograzvedka» (Irkutsk) and «Krasnoyarskgeologiya» (Krasnoyarsk). The analysis of the chemical pollution of soils, ground and bottom sediments is based on the examination of 30 samples.
Peculiarities of the chemical composition of samples extracted at the deposit were identified. It has been discovered that pH values of the soil vary from 5.1 to 7.3. The concentration of metal in bottom sediments exceeds its concentration in the soil by far. Almost all irregular features of the sample water in the whole territory of the deposit are caused by the anthropogenic impact. In general, the metal content in soils, ground and bottom sediments within the territory of the deposit is slightly different from the regular clarke.

DOI: 10.22227/1997-0935.2012.5.150 - 155

References
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