Facieology and Mineragraphy Characteristics of Drilling ZK725 in Hujiashan on Yongping Copper Deposit Peripheral Areas, Jiangxi Province and Their Significance
详细信息
- 责任者：Ding Li (Wuhan Center ; China Geological Survey ; Wuhan 430205 ; China) ; Zhao Yuanyi
- 刊名：Acta Geologica Sinica
- 出版年：2013
- 卷期：87(11)
- 关键词：铜矿 ; copper ores ; 矿相学 ; ore microscopy ; 江西 ; Jiangxi Province
- 页码：p.1715-1730
- 图表：8 illus., 2 tables, 31 refs.
- 分类号：1001
- issnNo：ISSN0001-5717
- isbnNo：CN11-1951/P
摘要
Hujiashan area is located to east of the Yongping deposit in Yanshan County,Jiangxi province.It is a breakthrough of geological prospecting in recent years,with Cu resources increasing about 300000tons(333+334types).Taking the Hujiashan drilling ZK725as the main research object,we found two kinds of mineralization genesis in the shallow part where above 766.0mdepth in drilling ZK725and deep part under 766.0mbased on collected samples,indoor petrologic and mineralogical determination,SEM and EDS analysis.The shallow part is magmatic hydrothermal-structure mineralization and the deep part is the eastern extension of Yongping deposit.(Zn,Sb)Tetrahedrite in quartz vein type ores indicates the hydrothermal mineralization,and extensive distribution of mylonite magmatite reflects control of structure over mineralization.The presence of a large number of colloidal pyrite suggests that there had been largescale hot water sedimentary and the same mineralization system as the Yongping deposit.We also have found(Zn,Sb)Tetrahedrite,Re-scheelite,Re-ferberite,uraninite,thorianite,pilsenite,hammarite,hessite,volynskite.In addition to copper,zinc,lead,cadmium and tungsten,it can be determined in this study that the concentration of bismuth and indium is up to the lowest level for exploration.
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