Mineral mining exerts aggravating effect on environment. All components of the environment, namely, lithosphere, atmosphere, hydrosphere and biosphere, are susceptible to geoecological risks. The risk extent is governed by the type of a mineral deposit, its geographical location and a method of mining. Russia possesses many deposits composed of magnesium silicates. Majority of such deposits are developed using open pit mining method. The basic environmental impact is exerted by overburden dumps in this case. Geoecological risks due to magnesium silicate-based rock dumps are illustrated in terms of mineral deposits located in the North Baikal ore zone. The adverse effect is connected with agricultural land withdrawal and disfigurement of the natural landscape. Land is polluted by copper, chromium and iron components washed out from dump waste by atmospheric precipitation. The pollutants penetrate through soil cover, get into ground and surface water and accumulate in plants. Simultaneously, finely dispersed particles are carried by wind over long distances, settle on the ground and also contaminate natural areas. Dumps cause transboundary pollution. For this reason, it is necessary to minimize the risks by efficient management of waste represented by overburden and country rocks. The key branch using waste is the construction industry. The tests of magnesium silicate roadstone show that it belongs to group I, has high grade crushability and wearability and is free from harmful components. This material is applicable in all areas of construction. The studies show that high quality concrete can be produced based on magnesium silicate rocks. Finely milled fractions of magnesium silicates are usable in ceramics manufacture. Road concrete mixes made of mineral powder and magnesium silicate filler are applicable in road making in the conditions of the North.

The studies have been supported under the state contract with the Baikal Institute of Nature Management, Siberian Branch, Russian Academy of Sciences, Project No. 0339-2016-0004.


Mineral despots, environmental impact, geoecological risks, mining industry waste, dumps, magnesium silicate rocks, roadstone, construction materials.

Issue number: 2
Year: 2018
UDK: 622.271.504
DOI: 10.25018/0236-1493-2018-2-0-111-117
Authors: Khudyakova L. I., Voiloshnikov O. V.

About authors: Khudyakova L.I., Candidate of Technical Sciences, Senior Researcher, e-mail:, Voiloshnikov O.V., Candidate of Technical Sciences, Leading Engineer, e-mail:, Baikal Institute of Nature Management, Siberian Branch of Russian Academy of Sciences, 670047, Ulan-Ude, Russia.


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