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The technogenic deposit “Slag Depot 1“ was formed by many decades dumping with content of significant amounts of copper, gold, silver and other useful components. As the copper percentage in the ore, whic h is now mined at the open pits within RTB Bor Group, is significantly lower than in the technogenic deposit, its mining and reprocessing have started in 2002. Considering that it is a technogenic deposit, a specific technology of its excavation was previously used, and the same is described in this paper, wi...