Wall Rock Alteration Characteristics and Migration Regularity of Mineralizing Fluid of Jiama Cu Polymetallic Deposit in Tibet
详细信息
- 责任者：Qin Zhipeng (Chengdu University of Technology ; Chengdu 610059 ; China) ; Wang Xiongwu
- 刊名：Mineral Resources and Geology
- 出版年：2013
- 卷期：27(1)
- 关键词：铜矿 ; copper ores ; 多金属矿 ; polymetallic ores ; 西藏 ; Tibet
- 页码：p.65-69
- 图表：illus., 1 table, 20 refs.
- 分类号：1001
- issnNo：ISSN1001-5663
- isbnNo：CN45-1174/TD
摘要
The development process of wall rock alteration in Jiama Cu polymetallic deposit can be divided into four phases or eight stages.During the process,the space and the time of mineralization is closely related to skarnization and sericitization.The calculation of mass balance of sericitized altered rock shows that the hydrothermal fluid which caused the alteration of sericitized wall rock is a kind of volatile-rich mineral-laden siliceous K-rich acidic fluid differentiated by late magma.During the process of alteration,the main elements and metallogenic elements of altered rock have different migration laws and similar migrating trend of altered fluids.The trend is that centering around Zegulang regions and migrating towards Tongshan,Qianshan and Mogulang regions.As the result of blocking of Tongshan slumped overthrust,the alteration in Tongshan region is more intense than that in Mogulang region.
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