随着矿物原料开采量的不断增加和开采强度的不断加大,势必引起矿床开采自然条件的恶化。这种大家所熟知的情况至今尚未在数字方面予以应有的评价。作者就自然因素对乌拉尔铁矿基地经济效果的影响作了分析。开采深度对铁矿地下 With the continuous increase of the exploitation of mineral raw materials and the continuous increase of mining intensity, the natural conditions of the ore deposits will inevitably lead to the deterioration. So far we all know the situation has not yet been given the numerical evaluation. The author analyzes the impact of natural factors on the economic effects of the Ural iron ore base. Depth of mining underground iron ore