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J4 ›› 2012, Vol. 20 ›› Issue (2): 43-49.

• 矿产勘查 • 上一篇    下一篇

山东埠上金矿石英成因矿物学研究

王杜涛1,张殿龙1,陈美君2   

  1. 1.招金矿业股份有限公司,山东  招远   265400;
    2.浙江省地质调查院,浙江  杭州   311203
  • 收稿日期:2012-01-08 修回日期:2012-03-05 出版日期:2012-04-28 发布日期:2012-08-21
  • 作者简介:王杜涛(1982-),男,山东淄博人,工程师,从事矿山地质及投资开发工作.angelfly_1103@163.com

Study on the Genetic Mineralogy of Quartz in Bushang Gold Mine,Shandong Province

WANG Dutao1,ZHANG Dianlong1,CHEN Meijun2   

  1. 1.Zhaojin Mining Industry Co.,Ltd.,Zhaoyuan   265400,Shandong,China;
    2.Zhejiang Institute of Geological Survey,Hangzhou   311203,Zhejiang,China
  • Received:2012-01-08 Revised:2012-03-05 Online:2012-04-28 Published:2012-08-21

摘要:

石英是金矿床中最发育的脉石矿物,贯穿于整个成矿作用过程,是主要的载金矿物之一。除原岩残留的石英之外,在矿化过程中形成了大量的次生石英。因此,在金矿找矿评价中对石英的矿物标型特征进行研究是非常必要的。通过对埠上金矿床中石英的产出特征、杂质元素、晶胞参数、热发光及红外光谱特征进行系统的研究,得出含金性好的石英与细粒浸染状黄铁矿及绢云母密切共生,呈细粒他形、烟灰色,破碎现象明显;杂质元素K、Na、Au、Cu、Pb和Zn含量较高;石英晶胞参数a0值较大,c0/a0较小;天然热发光曲线峰型复杂多样,峰值高,积分强度大;红外光谱的3 400 cm-1与2 350 cm-1吸收峰强度大,DH2O>1,同时DCO2最大,上述特征可为本区石英脉中找金提供指导。

关键词: 石英, 标型特征, 成因矿物学, 埠上金矿, 山东省

Abstract:

Quartz is the most developed gangue mineral in the gold ore deposit,passing through entire mineralization process as one of the main minerals which contained gold.Besides the residual protogenic quartz,massive deuterogenous quartz was formed in the mineralization process.Therefore,it is extremely essential to research the typomorphic peculiarities of quartz in the gold ore prospecting appraisal.This paper systematically dealt with the morphological peculiarities,impurity elements,lattice parameter,thermoluminescence,and infrared spectrum of quartz samples from the gold deposit.The results show that fine gold-bearing quartz accreted with granule dissemination pyrite and sericite closely,which took on granule xenomorphic crystal,smoky gray and obviously breaking phenomenon,contained higher levels of impurity elements such as K、Na、Au、Cu、Pb、Zn along with higher a0 and lower c0/a0,the thermoluminescence curves of quartz were complex and diversed with high peak and large integrated intensity,infrared spectrum took on high absorption peak near 3 400 cm-1 and 2 350 cm-1,with DH2O>1,and the highest DCO2.These features can be used to find gold prospecting in quartz vein zones.

Key words: Quartz, Typomorphic peculiarities, Genetic mineralogy, Bushang gold mine, Shandong Province

中图分类号: 

  • P618.51

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