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《Journal of Northeastern University(Natural Science)》 2007-08
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Process Mineralogy of Refractory Gold Ore in Jinya,Guangxi Province

YANG Hong-ying,YANG Li,TONG Lin-lin,FAN You-jing (School of Materials & Metallurgy,Northeastern University,Shenyang 110004,China.)  
Jinya gold mine in Jinya,Guangxi Province PRC is of refractory type,in which the Au and Ag contents are 6.28 g/t and 1.37 g/t,respectively.The rest includes As 0.58wt%,S 3.10wt%,and C 1.76wt% containing TOC 0.21wt%.In the gold concentrate the Au content is 52.61 g/t,Ag 6.00 g/t,As 11.32wt%,S 29.32wt%,and C 0.35wt%.It was found that the main metallic minerals in Jinya gold ore are pyrite and arsenopyrite and the rest includes galena,sphalerite and chalcopyrite,etc.The main gold-bearing minerals are pyrite and arsenopyrite,and the occurrence form of gold in the ore is sub-micro grain gold.The main arsenic-bearing minerals are pyrite,realgar and orpiment.The objectionable constituents are arsenic,carbon-containing material and clay minerals.The characteristics of the gold ore are fine-grain granular texture and minuteness dip-dye structure.
【Fund】: 国家自然科学基金资助项目(50674029);; 国家高技术研究发展计划项目(2006AA06Z127);; 教育部高等学校博士学科点专项科研基金资助项目(20060145015);; 辽宁省自然科学基金资助项目(20052030)
【CateGory Index】: TD953
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