ISSN 1005-2518
CN 62-1112/TF
矿产勘查与资源评价

江苏甘家巷铅锌矿区稀土元素地球化学特征及指示意义

  • 张燕 ,
  • 赵培松 ,
  • 傅圣涛 ,
  • 陶哲 ,
  • 花林宝
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  • 华东有色金属矿产地质勘查局,江苏  南京   210007
张燕(1979-),女,河北承德人,高级工程师,从事矿床地球化学研究工作.dixiezhy@126.com

收稿日期: 2014-03-06

  修回日期: 2014-04-23

  网络出版日期: 2014-11-04

基金资助

国土资源部公益性行业科研专项“铜多金属矿床深部矿体预测地球化学理论方法研究”(编号:201111008)资助

REE Geochemical Characteristics and Its Indicative Significance of Ganjia-xiang Lead-Zinc Mining Area in Jiangsu Province

  • ZHANG Yan ,
  • ZHAO Peisong ,
  • FU Shengtao ,
  • TAO Zhe ,
  • HUA Linbao
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  • East China Mineral Exploration&Development Bureau for Non-ferrous Metals,Nanjing   210007,Jiangsu,China

Received date: 2014-03-06

  Revised date: 2014-04-23

  Online published: 2014-11-04

摘要

对江苏南京甘家巷矿区铅锌矿床不同类型岩石和矿石的稀土元素地球化学特征进行研究,探讨了岩石和矿石中稀土元素地球化学行为。结果显示:矿床中稀土元素的分布较为一致;甘家巷矿区稀土元素总量变化大,总体来看,稀土总量在铅锌矿石、底砾岩和粉砂岩中相对富集;在稀土元素配分模式图上,轻稀土相对富集,稀土配分曲线向右缓倾,轻稀土元素随原子序数的增加富集程度降低,重稀土元素分布比较平坦。相对较稳定;稀土元素地球化学特征指示甘家巷矿区为受F2断裂和不整合面控制的中低温热液矿床。

本文引用格式

张燕 , 赵培松 , 傅圣涛 , 陶哲 , 花林宝 . 江苏甘家巷铅锌矿区稀土元素地球化学特征及指示意义[J]. 黄金科学技术, 2014 , 22(3) : 15 -22 . DOI: 10.11872/j.issn.1005-2518.2014.03.015

Abstract

Through the REE geochemical characteristics research of the rocks and minerals which have different types in Ganjiaxiang lead-zinc mining area,Jiangsu Province,the REE geochemical behavior of rocks and ores were investigated.And the results show that the distributions of REE in ore deposit are consistent.Overall,the total REE is relatively enriched in Lead-zinc ore,basal conglomerate and siltstone.On the REE patterns,LREE are enriched,and the curve tilts to the right slowly.In addition,the enrichment degree of LREE would be reduced with its atomic number increasing,but the HREE is relatively stable.REE geochemistry characteristics indicates that the Ganjiaxiang lead-zinc mining is a medium-low-temperature hydrothermal deposit which controlled by the F2 fault and unconformity.

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