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Abstract
An analysis of the mining-geological and mining-technical conditions and morphology of the ore bodies of deposit A is carried out, on the basis of which the selection of technically applicable competitive development systems is performed. The choice of the optimal development system is carried out on the basis of the estimated “critical grade” of gold inthe ore. It has been established that at values less than the “critical content”, it is advisable to use a development system with sublevel drifts with ore breaking by wells and subsequent dry effervescent backfilling of the excavation space, and at values above this - horizontal layers with hardening backfilling.
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