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Figure 1. The effect of the amount of metal contained in the ore on the cost of the 
concentrations of cast iron (a), copper (b) and iron(c).
According to Professor Kh. Kh. Kojiev, G.G. Lomonosov[2,3], the quality of ore in the extraction 
can be controlled by the following methods: mining-technological, organizational and economic.
Problems with the quality of minerals require an excellent mining-technological solution. The 
mining-technological method is based on the selection of the extraction system and its parameters, 
which ensure the quality of the ore, as well as the improvement of the extraction processes, the 
introduction of additional processes(normalization of ore, sorting ore, separation of enclosing rocks, 
crushing-sifting, drying and installation of other points)into the technological scheme. Additional 
measures and production processes related to the control and management of the quality of minerals 
in foreign countries are carried out[4,5]. Managing the quality of ore in an organizational way is to 
create a clear order of extraction, ore drawing, haulage, transportation, loading and unloading into the 
ore extraction, collection. 
20
40
60
80
100
,
5
1
9
,
1
2
,
3
,
7
2
1
,
3
5
,
3
Cu,%
b
70
80
90
100
35
40
45
50
55
60
Fe,
%
а
60
70
80
90
100
29
30
31
32