戈罗布拉戈达茨克铁矿床已开采250年。近30年中,用最先进和最有发展前途的联合法开采(露天和地下同时开采)。矿床中段为中部露天矿,矿床南翼和北翼分别为南矿井和北矿井(图1) 露天和地下同时开采时,要严格划定露天矿田和井田的开采顺序,在露天开采和地 The Gorod Blagodak Iron Deposit has been mined 250 years ago. In the past 30 years, the most advanced and the most promising combination of mining (open pit and underground mining). The middle part of the deposit is the central open pit mine. When the south wing and the north wing of the deposit are the simultaneous mining of the south mine and the northern mine (Figure 1) in the open air and the underground respectively, the order of the opencast mine and the mine field shall be strictly delineated.