Regional Geochemistry and Prospecting Prediction of Dali Area, Guangxi, China
详细信息
- 责任者：Wei Ziren (No.6 Geological Team of Guangxi ; Guigang 537100 ; China) ; Ye Youle
- 刊名：Geology and Mineral Resources of South China
- 出版年：2013
- 卷期：29(3)
- 关键词：金属矿 ; metal ores ; 广西 ; Guangxi Province
- 页码：p.234-241
- 图表：3 illus., 5 tables, 12 refs.
- 分类号：1001
- issnNo：ISSN1007-3701
- isbnNo：CN42-1417/P
摘要
Dali area,Guangxi province is located in the southwestern tip of Dayaoshan gold polymetallic metallogenic area in Qinzhou-Hangzhou metallogenic belt.1:50000 stream sediment survey results show that the Au,Ag,As,Hg,Sb,Pb,Cu,Sn,Mo,Bi and other elements were significantly higher than the national level elements in stream sediments of this area;and the Au,Ag,As,Pb,Cu,Sn,Bi,Mo and other elements are above background levels in Guangxi Zhuang Autonomous Region;abnormal elements are mainly zonal distributed along Pingxiang Dali deep faults and Cangwu-Dali buried basement fault E-W-and NW-trending,major anomalies are located in convergence zone among Pingxiang-Dali deep fault with nearly north-south trending faults.Dali deposit with copper,molybdenum,silver,gold,lead,zinc and other types of mineralization has got zonation characteristics of secondary halo anomalies of Mo-Cu-Au,Ag,Pb,Zn,As from intrusion to outwards.Through a comprehensive evaluation of geochemical anomaly,combined with geological conditions and mineralization regularity analysis,prospecting areas of Dali area are subdivided: grade Ⅰ prospecting area of Liucen,Dali and Chentang-Taohua;grade Ⅱ prospecting area of Malian and Liulianding;grade Ⅲ prospecting area of Tonghe.
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