The Occurrence States and Regularities of Dispersed Elements in Tianqiao Pb-Zn Ore Deposit, Guizhou Province, China
详细信息
- 责任者：Zhou Jiaxi (State Key Laboratory of Ore Deposits Geochemistry ; Institute of Geochemistry ; Chinese Academy of Science ; Guiyang 550002 ; China) ; Huang Zhilong
- 刊名：Acta Mineralogica Sinica
- 出版年：2009
- 卷期：29(4)
- 关键词：铅锌矿床 ; lead-zinc deposit ; 分散元素 ; disperse elements ; 贵州 ; Guizhou Province
- 页码：p.471-480
- 图表：6 illus., 4 tables, 30 refs.
- 分类号：1001
- issnNo：ISSN1000-4734
- isbnNo：CN52-1045/P
摘要
In this study, contents, occurrence states and regularities of the dispersed elements in ore minerals of Tianqiao Pb-Zn ore deposit were analyzed by using the methods of Electron Probe Microanalysis (EPMA) and Inductively Coupled Plasma Mass Spectrum (ICP-MS). The results showed that the contents of dispersed elements in Tianqiao Pb-Zn ore deposit had arrived at the level of comprehensive utilization, and some elements had even reached production grade ( such as Cd, etc). The occurrence states of the dispersed elements maybe allomerism in the sulfide minerals. Ga, Cd, In, etc, are distributed in sphalerite, and Ge, Tl, etc, are distributed in galena, and all of the elements dispersed elements in pyrite are low. The concentrations of Ga, Cd in sphalerite are according the order of lightcoloured sphalerite > mesocratic sphalerite > black sphalerite, and the concentrations of Ge, Tl, In, Se in mesocratic sphalerite are higher than those in lightcoloured and black sphalerite.
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