FIELD: mining.
SUBSTANCE: open-pit field in its water-bearing part is developed alternatively from above-water and under-water faces by an excavating machine installed on the pontoon used earlier during development of open-pit field in its non-watered part. Undeveloped pillar of the open-pit field is left in its water-bearing part.
EFFECT: increasing the development efficiency of water-bearing mineral deposits without performing any additional operations.
2 cl, 6 dwg
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Authors
Dates
2012-12-10—Published
2011-11-10—Filed