The Nanfen iron deposit, genetically belonging to Archean volcanic sedimentary metamorphic deposit of Anshan type, is in super large scale, with simple orebody shape and evenly distributed useful components. The ore bodies are composed of three iron ore layers which are distributed in the Archean Anshan group. The ores are controlled by monoclinic structure, with stable scale, occurrence, mineral composition and grade of TFe.%南芬铁矿床成因类型为太古宙鞍山式火山沉积变质铁矿床,矿床规模为超大型,矿体形态和组构较简单,矿石有用组分分布均匀.矿体由分布于太古字鞍山群茨沟岩组中的3个铁矿层组成,控矿构造为单斜构造,矿体的规模、产状、矿物组成、品位(TFe)稳定.
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