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黄金科学技术 ›› 2015, Vol. 23 ›› Issue (3): 30-37.doi: 10.11872/j.issn.1005-2518.2015.03.030

• 矿产勘查与资源评价 • 上一篇    下一篇

内蒙古正镶白旗—正蓝旗银成矿地质条件及远景预测

王新江1,刘辰曦2,沈柳生3,祝永平3,张晓3   

  1. 1.河南省有色金属地质矿产局第七地质大队,河南  郑州   450016;
    2.华北地质勘查局五一四地质大队,河北  承德   067000;
    3.天津华北地质勘查总院,天津   300170
  • 收稿日期:2014-12-05 修回日期:2015-02-16 出版日期:2015-06-28 发布日期:2015-11-16
  • 作者简介:王新江(1961-),男,河南平顶山人,工程师,从事矿产勘查研究工作。ayswtjx@163.com

Study on Metallogenic Geological Conditions and Prospect Prediction at a Silver Ore in Zhengxiangbai Banner-Zhenglan Banner,Inner Mongolia

WANG Xinjiang1,LIU Chenxi2,SHEN Liusheng3,ZHU Yongping3,ZHANG Xiao3   

  1. 1.The Seventh Geological Brigade,Henan Provincial Non-ferrous Metals Geological and Mineral Resources Bureau,Zhengzhou   450016,Henan,China;
    2.No.514 Geological Party of North China Geological Exploration Bureau,Chengde   067000,Hebei,China;
    3.Tianjin North China Geological Exploration General Institute,Tianjin   300170,China
  • Received:2014-12-05 Revised:2015-02-16 Online:2015-06-28 Published:2015-11-16

摘要:

内蒙古正镶白旗—正蓝旗地区成矿地质条件优越,但地质工作程度较低,具有较大的找矿潜力。区内出露地层主要有下二叠统三面井组上岩段和上侏罗统张家口组三岩段,其银含量较高。区内火山活动频繁且强烈,火山岩分布,火山期后热液活动与火山作用有关的构造、次火山岩体及其富含的大量挥发分,均对银等多金属的活化、迁移和富集起着重要作用,对矿床分布具有一定的控制。根据研究区银成矿地质条件,银矿(化)点的地质特征及分布规律,划分出2处银成矿远景区,指出应主要寻找火山热液—斑岩型和石英脉型银矿。因此,重视并加强火山岩区成矿条件的研究,对推动该区火山岩内银矿找矿工作具有一定的意义。

关键词: 正镶白旗&mdash, 正蓝旗, 成矿地质条件, 成矿远景区, 内蒙古

Abstract:

Although the high degree of geological conditions at the Zhengxiangbai Banner-Zhenglan Banner region,geological work was at low level with great prospecting potential.It presented the lower Permian Sanmianjing Group upper rock section and the upper Jurassic Zhangjiakou Group three rock section,and the silver content was higher.Due to the violent volcanic eruption,the structure of the hydrothermal activities related to volcanism during later volcanic period,volcanic rock and contains showed a large amount of volatiles,which played an important role in activation,migration and enrichment of silver and other metals.On this basis,according to the research area of silver and silver point of geological characteristics distribution laws and the metallogenic geological conditions,the region was divided into two silver metallogenic prospect areas.Therefore,strengthen the study of the metallogenic conditions of volcanic rock was meaningful to promote silver ore prospecting in volcanic rocks.

Key words: Zhengxiangbai Banner-Zhenglan Banner, ore-forming geological condition, minerogenic prospect, Inner Mongolia

中图分类号: 

  • P618.52

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