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Table 3.29. Comparative characteristics of regional influence on the geological environment by the exploitation of different types of the mineral resources

Mining region

Factors of influence on the geological environment by mining activities

Areas of surface deterioration

(km2)

Rate of mine water rising

(m3 per day)

Technogenic level of hazardous geological processes

Volume of accumulated waste

(million cub.m)

Level of soil pollution

Donbas (bituminous coal)

15 000

2.5x106

Land subsidence, underflooding, dislocations, karst, erosion

1050

Complex (heavy metals, oil products and chemical compounds)

Lviv-Volyn (bituminous coal)

150

0.06x106

Land subsidence, underflooding, karst

0.05

Complex (heavy metals and chemical compounds)

Dniprovskyi (brown coal, lignite)

20

0.24x106

underflooding, dislocations

Negligible

Complex (heavy metals, oil products)

Dniprovsko-Donetsk depression (crude oil, natural gas)

Negligible

No

Negligible,

local

No

Complex,   local (oil products)

Kryvbas (iron ore)

170

0.13x106

Land subsidence, underflooding, dislocations, karst

1.6

Complex (heavy metals, oil products and chemical compounds)

Prycarpattia (natural sulphur)

150

0.13x106

Land subsidence, underflooding, dislocations, karst, suffosion

More than 50.0

High (chemical compounds, sulphur, salts)