丰山铜矿南缘矿带开采技术条件复杂，原采用的无底柱分段崩落法在生产中存在较大问题。
Because of the mining condition of ore belt of southern edge in Fengshan Copper Mine is more complicated, the originally used sublevel caving method in the production have obvious shortcomings.
近几年在丰山铜矿周边地区发现的多金属矿其性质比较复杂。
However, over the past few years, deposits discovered in the region surrounding the Fengshan Copper Mine exhibit more complicated properties.
并从矿石物质成分、典型矿物组合、同位素组成、稀土元素丰度型式，以及矿化分布和相关分析等方面、探讨了成岩成矿的物质来源及成因问题。
An approach has been made to the ore genesis from the ore composition, the typical mineral assemblage, the mineral geological thermometer, the K-Ar isotopic age, the sulfur iso - topic dat...
并从矿石物质成分、典型矿物组合、同位素组成、稀土元素丰度型式，以及矿化分布和相关分析等方面、探讨了成岩成矿的物质来源及成因问题。
An approach has been made to the ore genesis from the ore composition, the typical mineral assemblage, the mineral geological thermometer, the K-Ar isotopic age, the sulfur iso - top...
并从矿石物质成分、典型矿物组合、同位素组成、稀土元素丰度型式，以及矿化分布和相关分析等方面、探讨了成岩成矿的物质来源及成因问题。
An approach has been made to the ore genesis from the ore composition, the typical mineral assemblage, the mineral geological thermometer, the K-Ar isotopic age, the sulfur is...
对于大多数金属成矿元素 ，地壳特别是上地壳是大多数矿石和矿胎的储库 ，地壳丰度是元素富集成矿的物质基础。
For most ore metals, the continental crust, especially, the upper continental crust, is the repository of all ores and protores.
对于大多数金属成矿元素 ，地壳特别是上地壳是大多数矿石和矿胎的储库 ，地壳丰度是元素富集成矿的物质基础。
For most ore metals, the continental crust, especially, the upper continental crust, is the repository of all ores and protores.
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