内蒙古金矿床成矿系统及找矿方向-论文.pdf

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1、SeriesNo．459金鬣砖总第459期September2014METALMINE2014年第9期内蒙古金矿床成矿系统及找矿方向王继春，李海龙。王兢繁4孙雨霞张晓欣(1．中国地质大学地球科学与资源学院，北京100083；2．内蒙古自治区地质调查院，内蒙古呼和浩特010020；3．中国地质科学院地质力学研究所，北京100081，4．内蒙古地质勘查基金管理中心，内蒙古呼和浩特010020)摘要通过收集内蒙古地区主要金矿床的最新资料，进行综合整理和分析，初步总结了内蒙古金矿床区域成矿规律，将全区划分为6个金

2、矿成矿远景区；运用成矿系统理论，结合金多金属矿床成矿特征，在该区提出了9个金矿成矿系统；另外分析和总结其控矿因素及分布规律，认为内蒙古金矿床空间分布具有明显的区域性集中的特点，大部分金矿床分布于华北陆块北缘及华北板块北部大陆边缘金矿床成矿带中；矿床成矿时代为元古代、加里东期、华力西期和燕山期4个时期，主要集中在华力西期和燕山期成矿。根据金矿床成矿特点及其控矿因素，进一步提出找矿方向。关键词成矿带成矿系统找矿方向金矿床中图分类号P612，P618．51文献标志码A文章编号1001—1250(2014)-09

3、-108-04MetallogenicSystemandProspectingDirectionofGoldDepositsinInnerMongoliaWangJichun·LiHailongWangJingfan，。SunYuxia2ZhangXiaoxin(1．FacultyofE口砒SciencesandMineralResources，ChinaUniversity0厂Geoscienees，Beijing100083，China；2．GeologicalSurveyInstituteofInn

4、erMongolia，Hohhot010020，China；3．InstituteofGeomechanics，ChineseAcademyofGeologicalSciences，Beijing10081，China；4．ManagementCenterExplorationFundInnerMongolia，Huhhot010020，China)AbstractThelatestdataofgolddepositsinInnerMongoliaareaiscollected，collatedandan

5、alyzedtoprimarilysumma-rizetheregionalmetallogenicregularityofgolddepositsinInnerMongolia．Theresearchareaisdividedintosixprospectivear-easofgoldmineralization．AccordingtothemetallogeniccharacteristicsofAu—polymetallicdeposits，ninegoldmetallogenicsys—temsa

6、reproposedintheareabasedonthemetallogenicsystemtheory．Inaddition，theore—controHingfactorsanddistributionregularitiesaI_eanalyzedandsummarized．Itisll0undthat．thespatialdistributionofgolddepositsinInnerMongoliahavetheobviouscharacteristicsofregionalconcentr

7、ation，andmostofthemarelocatedinthemetallogenicbehofgolddepositsinthenorthmarginofNorthChinablockandthenortherncontinentalmarginofNorthChinaplate．ThemetallogenicepochsofgolddepositsinInnerMongoliaarethoughtof4periodsincludingProterozoicera，Caledonian，Varis

8、canandYanshan，amongwhichVariscanandYanshanarethemainmetallogenicepochs．Accordingtothemetallogeniccharacteristicsandorecontrollingfac—totsofgolddeposit，theprospectingdirectionisfurtherproposed．KeywordsMetallogenicbeh