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SU Xiao-yun,WANG Deng-hong,WANG Cheng-hui,LIU Shan-bao,LIU Jian-guang,FAN Xing-tao,KUAI Li-jun,CHEN Guo-hua,WAN Hao-zhang,ZHANG Cheng,HUANG Gui-qiang.Metallogenic Element Geochemistry Characteristics and Genesis of the Zhuxi Copper-Tungsten Polymetallic Deposit, Jiangxi Province Base Using XEPOS X-ray Fluorescence Spectrometry[J].Rock and Mineral Analysis,2013,32(6):959-969
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Metallogenic Element Geochemistry Characteristics and Genesis of the Zhuxi Copper-Tungsten Polymetallic Deposit, Jiangxi Province Base Using XEPOS X-ray Fluorescence Spectrometry
Received:April 21, 2013  Revised:September 18, 2013
DOI:
Key words: Zhuxi copper and tungsten deposit in Jiangxi  ore-forming elements  metasomatism  geochemistry characteristics
Author NameAffiliationE-mail
SU Xiao-yun School of Earth Sciences and Resources, China University of Geosciences (Beijing), Beijing 100083, China  
WANG Deng-hong Institute of Mineral Resource, Chinese Academy of Geological Sciences, Beijing 100037, China  
WANG Cheng-hui Institute of Mineral Resource, Chinese Academy of Geological Sciences, Beijing 100037, China wangchenghui131@sina.com 
LIU Shan-bao Institute of Mineral Resource, Chinese Academy of Geological Sciences, Beijing 100037, China  
LIU Jian-guang No.912 Team, Jiangxi Bureau of Geological Exploration and Exploitation of Mineral Resources, Yingtan 335001, China  
FAN Xing-tao National Research Center for Geoanalysis, Beijing 100037, China  
KUAI Li-jun National Research Center for Geoanalysis, Beijing 100037, China  
CHEN Guo-hua No.912 Team, Jiangxi Bureau of Geological Exploration and Exploitation of Mineral Resources, Yingtan 335001, China  
WAN Hao-zhang No.912 Team, Jiangxi Bureau of Geological Exploration and Exploitation of Mineral Resources, Yingtan 335001, China  
ZHANG Cheng No.912 Team, Jiangxi Bureau of Geological Exploration and Exploitation of Mineral Resources, Yingtan 335001, China  
HUANG Gui-qiang Nanning Geological Exploration Institute, Central South Bureau of China Metallurgical Geology Bureau, Nanning 530022, China  
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Abstract:
      The Zhuxi deposit is a new discovery of copper-tungsten dominated large-super-large ore deposit with great mineralization potential situated in the Zhuxi Area, Jingdezhen City, Jiangxi Province. However, present research is somewhat limited for some of the geological characteristics. Further study on genetic types and geochemical characteristics for this deposit is necessary. A bench-top type Polarized Energy Dispersive X-Ray Fluorescence Spectrometer, coupled with directly pressed powder samples has been used to analyze drill core samples of the Cu-W ore body. The instrument used in the experiments has a high detection ability for measuring major elements (SiO2, CaO and MgO) and trace elements (Cu, W, Zn and Ag), compositions with low detection limit, small error, good stability and other characteristics. The experimental results show that the major elements of SiO2, CaO and MgO have strong metasomatism characteristics. The SiO2 and CaO have a negative correlation. Trace elements Cu, W, Zn and Ag also exhibit symbiotic features, and Cu, W contents are high in the middle and low on both sides spatially. All evidence explains the metasomatism characteristics controlled by structures. The element variations and related mineral compositions also indicate that ore-forming materials were derived from granodiorite, porphyry, granite porphyry and diorite. These results provide a theoretical basis for mineralization forecast and further exploration goals.