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J4 ›› 2011, Vol. 19 ›› Issue (1): 42-44.

• 矿产勘查 • 上一篇    下一篇

内蒙古哈达门沟金矿山前钾化带再认识

路英川1,李伟2,范俊杰1,刘纲1,朝银银1,张岱1   

  1. 1.武警黄金地质研究所,河北  廊坊   065000;
    2.鑫达黄金矿业有限责任公司,内蒙古  包头   014060
  • 出版日期:2011-02-28 发布日期:2012-03-16
  • 通讯作者: 路英川(1986-),男,河北邯郸人,助理工程师,从事金矿找矿工作.luyingchuan1986@163.com

Recognition of Piedmont Potassic Zone in the Hadamengou Gold Deposit,In-ner Mongolia

  • Online:2011-02-28 Published:2012-03-16

摘要:

哈达门沟金矿区山前钾化带分布在矿区的南部,为一条钾长石化蚀变破碎带,源量约70 t。长期以来,人们认为山前钾化带为矿区重要的导矿构造,其走向为NE向,但是深部产状与矿脉的关系并不明确。经过野外勘查发现山前钾化带的走向为NW或NWW向,通过物探电法剖面法揭示其深部产状有上陡下缓,深部切割矿脉的特点。通过山前钾化带和矿脉的形成时间探讨分析,认为山前钾化带为金矿脉导矿构造的可能性较小,真正的导矿构造为山前大断裂。

关键词: 哈达门沟金矿, 山前钾化带, 左行剪切, 内蒙古

Abstract:

Geotectoniclly,Hadamengou gold deposit is the Yinshan apophysis level of Inner Mongolia axis middle part on the west segment of northern edge of Huabei platform.So far the explored volume of resources has reached at 70 t.The piedmont potassic zone,which is a potash K-feldspathization alteration fracture zone,located in the southern part of the ore district.In a period of time,it's believed that piedmont K-feldspathization zone is the main ore-conduit structure,and it is NE-direction.But the relationship between deep-occurrence and vein is unclear. By field survey,the paper research that it is NW-direction or NWW-direction.Method of geophysical electrical prospecting section shows that the upside of deep-occurrence is steep and underpart is gentle.The ore vein is dissected deeply.By studying and analyzing the forming time of piedmont K-feldspathization zone and ore vein,we think that it is not much possible gold ore-conduit structure which is piedmont major fault.

Key words: Hadamengou gold deposit, Piedmont K-feldspathization zone, Left-handed shear, Inner Mongolia

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