吉林省长白县十二道沟地区钨矿找矿前景探讨

摘要

The Shierdaogou area,lying in the Paleoproterozoic Liaoji rift valley between Longgang complex landmass and Korean Rangrim block,is situated in the Changbaishan volcanic rock belt of the northeastern section of the giant Mesozoic marginal-Pacific volcanic-intrusive complex.The strata ranging various ages crop in this area,with complicated deposit types and tectonic settings.Structures moved in multiply stages,among which the Badaogou-Changbai fold-fault zone is the most significant one.This area also belongs to the Ji'an-Changbai Au-Ag-Cu-Pb-Zn-Co-W metallogenic belt.A breakthrough on tungsten deposit seeking is expected by recent detailed work.%十二道沟地区位于龙岗复合陆块与朝鲜狼林地块之间的辽吉古元古代裂谷,同时又处于中生代滨太平洋巨型火山-侵入杂岩带北东段的长白山火山岩带之中.不同时代地层均有出露,矿床成因类型及构造背景较为复杂.区内构造属多期活动构造,主要构造为八道沟-长白褶皱断裂带.该区位于集安-长白金银铜铅锌钴钨成矿带,近期工作可望在寻找钨矿方面有所突破.