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磁黄铁矿

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In the ores there exist a low-temperature mineral assemblage of arsenopyrite, stibnite, jamesonite, silver fahlerz,berthierite, and electrum, which is consistent with the measurement result of the ore temperature. It can be seen that one the outstanding features of the Sawaya''erdun gold deposit is low-temperature metallogenesis.

在矿床中发现的一套由针状毒砂-辉锑矿-脆硫锑铅矿-银黝铜矿-辉锑铁矿-自然银-单斜磁黄铁矿等组成的低温矿物组合,与成矿温度的测定结果(主阶段100-230℃)相当吻合,显示出该矿床的成矿特殊性-低温成矿作用。

It can draw the conclusion thatδ~(34)S_ in solution has an approximate content(0±3‰)with S isotope of pyrrhoSne by measuring S and Pb isotope of sulfide in ore bodies,a lower value shows S in hydrothermal fluid is origin from magma;Linear array of Pb isotope in galenite suggests that Pb may be multisources.

对矿体硫化物进行硫和铅同位素测定,获得溶液的δ~(34)S_与磁黄铁矿硫同位素组成相近约等于0±3‰,δ~(34)S_值小,表明热液硫是岩浆来源,方铅矿铅同位素线性排列,暗示出铅可能是多来源的。

Judged from the high content of Ni+Cu+Co in pyrrhotite, the liquation separation of sulfide-silicate melts in primary ore-bearing system took place in deeper sites before magma emplacement.

磁黄铁矿较高的Ni+Cu+Co组分判断,原始含矿岩浆〓统中硫化物—硅酸盐间的熔离作用应发生在岩浆定位前的较深部位。

A new type of inhibitor was used for separating jamesonite from pyrrhotite.

研究了新型抑制剂RC在脆硫锑铅矿和磁黄铁矿浮选分离中的作用。

Pyrrhotite is the most common and abundant iron sulphide mineral in mine wastes worldwide.

磁黄铁矿是矿山尾矿堆中最为常见且分布很广的一种硫化铁矿物。

Base metals and gold are often found in association with magnetic minerals such asmagnetite and pyrrhotite.

某些贱金属以及金常常与磁铁矿和磁黄铁矿这类磁性矿物一起被发现。

Pyrrhotite can have change in the magnetism due to its different Fe/S.

磁黄铁矿因其Fe/S不同,磁性会发生变化。

Effects of water quenching on properties of pyrrhotite in calcines of Huangjingdong concentrates are examined using TG-DTA techniques.

回转窑焙砂中的硫主要以磁黄铁矿形式存在,在高温及酸性气氛下直接水淬冷却时。

During heating in an argon atmosphere, magnetite begins to occur at 380℃, while pyrrhotite does not occur until 535℃.

氩气环境下加热过程中,从约380℃开始即有磁铁矿生成,但直到约535℃才有磁黄铁矿的生成。

Therefore, the rapid oxidation of pyrrhotite contributes to a great extent to the contamination of environment in tailings through the production of acid mine drainage AMD. In order to ...

为了阻止或降低磁黄铁矿的自然风化反应速度从而达到源头治理酸性矿山废水的目的,首先必须研究它在各种条件下的氧化机理、氧化产物和氧化速度。

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