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《中国钼矿资源现状及国家级钼矿床实物地质资料筛选.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、Vo1.25,No.1第25卷第1期中国矿业2016年1月CHINAMININGMAGAZINEJan.2016一对.盥纵横中国钼矿资源现状及国家级钼矿床实物地质资料筛选季根源,邓会娟,王春女,姜爱玲,韩健(1.国土资源实物地质资料中心,河北三河065201;2.中国地质调查局发展研究中心,北京100037;3.国土资源部矿产勘查技术指导中心,北京100120)摘要:根据中国钼矿床的成矿类型、成矿规模、成矿时代和分布等特点,简述了我国钼矿资源现阶段状况,提出了我国钼矿床实物地质资料筛选需要考虑的条件。结果表明:我国钼矿床类型多,以斑岩型为主,矽卡岩型次之,热液脉型、沉积型、海
2、相火山岩型较少;我国钼矿床规模大,现阶段勘探、开发的矿床以大型、超大型矿床为主;钼矿床的成矿时代以燕山期成矿为主,其次为喜山期、印支期和海西期;钼矿床资源分布广泛,相对集中在燕辽、东秦岭、小兴安岭一张广才岭和大兴安岭4个钼矿矿集区。根据我国钼矿资源特点,结合国家实物地质资料馆馆藏规划,提出了当前符合国家实物地质资料馆收藏保管的34个钼矿床名录。关键词:钼矿资源;实物地质资料;钼矿矿集区;筛选中图分类号:P5;G27文献标识码:A文章编号:1004—4051(2016)Ol一0139一O7Currentstatusofmolybdenum-oreresourcesinChina
3、andscreeningofnationalmolybdenum—oregeologicalmaterialdata儿Gen-yuan,DENGHui-juan,WANGChun-nv~,JIANGAi—ling,HANJian(1.CoresandSamplesCenterofLandResources,ChinaGeologicalSurvey,Sanhe065201,China;2.ResearchCentreforDevelopmentofChinaGeologicalSurvey,Beijing100037,China;3.NationalExploration&D
4、evelopmentPlanningTechnicalGuidanceCenterinMinistryofLandandResources,Beijing100120,China)Abstract:Basedonthemetallogenictype,metallogenicscale,metallogenicagesanddistributionofmolybdenumoredeposits,wesummarizedthecurrentstatusofmolybdenumoreresourcesinChina,andproposedtheconsideredfactorsw
5、henscreeninggeologicalmaterialdataofmolybdenumdeposit.TheresultsindicatedthatmolybdenumoredeposittypesinChinaweredominatedbyporphyrytype,secondlyforskarntype,hydrothermalveintype,sedimentaryrocktypeandmarinevolcanictypewereless.MolybdenumoredepositsweremostlylargescaleinChina,large—sizeands
6、uper-largemolybdenumdepositsweremainlyintheexplorationandexploitationofmolybdenummineralsatpresent.MetallogenicagesofmolybdenumoredepositsinChinaweredominatedbyYanshanian,followedbyHimalayanperiod,Indo—ChineseepochandHercynian.Molybdenumoreresourceswerewidelydistributedbutrelativelycentrali
7、zeddistributedinto4oreconcentrationareas,whichwereYanliao,EastQinling,Xiaoxing’anRange-ZhangguangcaiRangeandGreaterKhinganMountainsrespectively.AccordingtothecharacteristicsofmolybdenumoreresourcesinChina,combinedwithschemesofNationalPhysicalGeologicalDa
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