FIELD: mining.
SUBSTANCE: invention relates to open mining developments during terrace recultivation. Method of a terrace formation in the for of an artesian reservoir involving dumping inside the terrace first a layer of water-resistant rock, then - a layer of water-permeable rock with another layer of water-resistant rock on the top; the above layers are shaped in the form of lenses with outlets to the day surface wherethrough water is charged into the water-permeable layer.
EFFECT: creation of a terrace represented by an artesian reservoir.
1 dwg
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