Chromium in the coal seams of the Chervonoarmiiskyi geological and industrial area of Donbas

Chervonoarmiiskyi geological and industrial area is located on the monoclinic slope of the south-western wing of the Kalmius-Toretsk hollow. The object of research is the main coal seams of the Chervonoarmiiskyi geological and industrial area of Donbas. The purpose of research is to establish the regularities of chromium distribution in the coal of the main working seams of the Chervonoarmiiskyi geological and industrial area.