Calculated Low-Temperature Phase Equilibria in System ZnS-PbS-FeS-H2S
详细信息
- 责任者：Li Xiaowei (School of Earth and Space Sciences ; Peking University ; Beijing 100871 ; China) ; Mo Xuanxue
- 刊名：Acta Petrologica Sinica
- 出版年：2010
- 卷期：26(10)
- 关键词：热力学 ; thermodynamics ; 铅锌矿床 ; lead-zinc deposit
- 页码：p.3153-3157
- 图表：4 illus., 2 tables, 22 refs.
- 分类号：1001
- issnNo：ISSN1000-0569
- isbnNo：CN11-1922/P
摘要
This paper mainly introduces the application of thermodynamic phase diagrams in epithermal sulfide deposit, as a case study in Jinding lead-zinc deposit, Sanjiang area. On the one hand, the thermodynamic phase diagrams show the relations between concentration and mineral (assemblage) in the constant temperature, for an example, the assemblage of pyrite and galena is stable under alkaline environment at 400 K and 105 Pa, whereas the assemblage of galena and sphalerite is stable under acid environment at 400 K and 105 Pa; on the other hand, this paper contrasts the different assemblage and pH conditions between 298.15 K and 400 K,and concludes that the crystallization of mineral (assemblage) needs much higher concentration at 400 K.
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