Compositional Characteristics of Celestite in Dafengshan Strontium Deposit, Qinghai Province
详细信息
- 责任者：Sun Yan (Key Laboratory of Metallogeny and Mineral Assessment ; MLR ; Institute of Mineral Resources ; Chinese Academy of Geological Sciences ; Beijing 100037 ; China) ; Liu Xifang
- 刊名：Mineral Deposits
- 出版年：2013
- 卷期：32(1)
- 关键词：锶矿 ; strontium ores ; 天青石 ; celestine ; 青海 ; Qinghai Province
- 页码：p.148-156
- 图表：illus., 2 tables, 16 refs.
- 分类号：1001
- issnNo：ISSN0258-7106
- isbnNo：CN11-1965/P
摘要
The Dafengshan strontium ore deposit in Qinghai Province is a typical continental facies carbonate-sulfate deposit with the largest reserves of celestite in China.The authors studied the strontium component of celestites with different modes of occurrence from the Dafengshan strontium ore deposit by using the electron microprobe analysis and detected the variation regularity of the composition.It is discovered that the concentric circle-shaped celestite has the highest content of SrO,followed by fine fiber-shaped,flower-shaped,stalactitic,pseudo-laminated and crude fiber-shaped ones.The cryptocrystalline celestite has the lowest content of SrO.Based on a comparison with other types of celestite ore deposits such as Baogongmiao and Cihua in Jiangxi,Yonghe in Hunan,Dazu,Yuxia and Gangou in Chongqing and Jinding in Yunnan,the authors summarized the characteristics of different types of celestite deposits and pointed out that the Dafengshan strontium ore deposit has high industrial value.The Dafengshan strontium ore deposit is rich in SrSO4 and poor in other useless components,and this is benefitial to the extraction and recovery of strontium carbonate.
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