西藏雄梅地区1:5万水系沉积物地球化学特征及找矿远景
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  • 英文篇名:Geochemical Characteristics from 1:50000 Survey Data of Stream Sediments and Ore-Search Prospects in the Xiongmei Area,Tibet
  • 作者:丁吉顺 ; 陈伟 ; 周恒 ; 郭奇奇 ; 孙渺 ; 张祎
  • 英文作者:DING Jishun;CHEN Wei;ZHOU Heng;GUO Qiqi;SUN Miao;ZHANG Yi;College of Earth Sciences,Chengdu University of Technology;Institute of Mineral Resources Chinese Academy of Geological Sciences;School of Earth Sciences and Resources,China University of Geosciences;Coalfield Geology Bureau of Sichuan Province;
  • 关键词:1 ; 5万水系沉积物测量 ; 勘查地球化学 ; 找矿 ; 雄梅 ; 西藏
  • 英文关键词:1:50000 survey of stream sediments;;exploration geochemistry;;prospecting;;Xiongmei;;Tibet
  • 中文刊名:DZKT
  • 英文刊名:Geology and Exploration
  • 机构:成都理工大学地球科学学院;中国地质科学院矿产资源研究所;中国地质大学(北京)地球科学与资源学院;四川省煤田地质局;
  • 出版日期:2019-01-15
  • 出版单位:地质与勘探
  • 年:2019
  • 期:v.55;No.482
  • 基金:四川省科技计划项目(编号:2017JY0143);; 中国地质调查局项目(编号:DD20160026)联合资助
  • 语种:中文;
  • 页:DZKT201901006
  • 页数:16
  • CN:01
  • ISSN:11-2043/P
  • 分类号:50-65
摘要
依据1:5万水系沉积物测量资料,对雄梅地区水系沉积物地球化学特征进行了初步分析。通过对元素分布、元素相关性、单元素异常、组合异常等特征的研究表明,该区Pb、Zn、Au、W、Sn、Bi等元素具有一定的成矿潜力,结合野外异常查证工作,推断大多数异常受岩浆岩和构造作用控制,区内与酸性岩体有关且强度较高、元素组合较好的异常区有利于成矿。依据水系沉积物综合异常的圈定,结合区内成矿地质构造背景,进一步优选出赤打日钨锡多金属矿、查江铅锌多金属矿2个远景区,并在后续的野外工作中得到了相应的验证。
        Based on 1:50000 survey data of stream sediments,the geochemical characteristics of the Xiongmei area,Tibet were preliminarily analyzed. The study of element distribution,element correlation,single-element anomalies and combined-element anomalies shows that Pb,Zn,Au,Wu,Sn,Bi and other elements exhibit a certain mineralization potential in this area. Combined with field verification,it is inferred that most of the anomalies are controlled by magmatic rocks and structures,and the abnormal areas with high strength and good combination of elements are favorable for mineralization. Based on the delineation of the comprehensive anomalies of drainage sediments,combined with the metallogenic geological setting in the area,we have further optimized two prospective areas; one is the Chidari tungsten tin polymetallic deposit and the other is the Chajiang lead-zinc polymetallic deposit,which have been verified in the subsequent field work.
引文
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