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从铁矿储量、品位等数据统计出发 ,分析各类铁矿品位的分布特点与规律 ,认为铁矿品位分布结构与该类铁矿的成矿条件、作用特点和机制有关 ;以系统数据及图表论证了单一成矿作用、一次成矿形成广泛分布的贫矿 ,再次或多期次 (多阶段 )和多种作用成矿的同位叠加 ,是使品位加富和形成工业富铁矿的关键 ;对各类铁矿品位高低、富矿规模力图进行合理的解释。
Based on the statistics of iron ore reserves and grade, the paper analyzes the distribution characteristics and rules of various iron ore grades, and considers that the ore grade distribution structure is related to the metallogenic conditions, the characteristics and mechanisms of the iron ores. Based on the system data and charts It is demonstrated that single mineralization, mineralization at one time and extensive distribution of lean ore, re-or multi-stage (multi-stage) and multiple-action ore-forming are superimposed, which is the key to enriching the grade and forming industrial iron-rich ore. The level of various types of iron ore, rich ore scale trying to make a reasonable explanation.