Geochemical Characters and Geological Significance of REE of Siliceous Rock in Devonian Barite Deposit in Zhenning , Guizhou
详细信息
- 责任者：Gao Junbo (College of Resource and Environment Engineering ; Guizhou University ; Guiyang 550003 ; China) ; Yang Ruidong
- 刊名：Guizhou Geology
- 出版年：2011
- 卷期：28(4)
- 关键词：barite deposit ; 硅质岩 ; silicolite ; 稀土元素 ; rare earths ; 贵州 ; Guizhou Province
- 页码：p.310-314
- 图表：2 illus., 1 table, 17 refs.
- 分类号：1002
- 出版序号：20122459
- issnNo：ISSN1000-5943
- isbnNo：CN52-1059/P
摘要
The siliceous rocks in the barite deposits of Devonian from Zhenning County revealed some characteristics. Characteristics of ∑REE, Ce/Ce*, Eu/Eu*, (La/Ce)N and (La/Lu)N indicate that during the diagenetic process of the siliceous rocks obvious evidences related to involvement of hydrothermal venting-flowing were observed, indicating its hydrothermal genesis, the paragenetic relationship of hydrothermal sedimentogenic silicious rocks and barite deposits manifest that the barite deposits were formed by hydrothermal exhalative mineralization. They were deposited in the platform basin facies that controlled by a syngenetic deep faults structure of Shuicheng-Ziyun-Nandan during the Late Palaeozoic.