Vol. 324 No. 1 (2014): Науки о Земле
Mineral and geochemical composition of dust aerosols in snow cover of Blagoveschensk city (Amur region)
The urgency of the discussed issue is caused by the fact that Blagoveshchensk (Amur region) is referred to the cities of the Russian Federation with the highest level of atmospheric air pollution in 2010. The main aim of the study is to investigate mineral and geochemical composition of solid precipitation accumulated in snow cover of Blagoveshchensk city. The methods used in the study: microscopic, X-ray analysis, atomic-emission analyses and inductively coupled plasma mass spectrometry (ICP) were used to study the samples. The results: In winter in urbanized territory of the city an average fall of abnormal quantity daily of dust and chemical elements is very high. The authors have determined the natural (quartz, albite, anorthite, microcline and others) and technogenic (soot, amalgam magnesium, rubidium molybdenum selenide and others) phases of genesis. The coal particles of snow are the main concentrators of toxic and radioactive elements.
Keywords:
dust-aerosols, snow cover, mineral composition, microscopic, roentgenographic, atomic-emission analyses and inductively coupled plasma mass spectrometry (ICP) analyses, toxic and radioactive elements


