摘要
Datingofmetallicoredepositshasbeenoneoftheproblemsconcernedwithbyoregeologistsformanyyears.TheestablishmentoftheRe-OsIsotopeLaboratoryattheInstituteofRockandMineralAnalysis,ChineseAcademyofGeologicalSciences,hasprovideduswithanewtechniquetocarryoutgeochronologicalstudiesofmolybdenumores.AsoneofthemostimportantRe-bearingminerals,molybdenitecontainsalmostnocommonosmium,but^187Oswasderivedcompletelyfromdecayof^187Re,with^187OscontentasthefunctionofRecontentinthemineral.AnID-ICP-MStechniquehasbeenusedinthisstudy,andRe-Osisotopicagesofseverallargemolybdenumdepositsofdiffer-enttypesfromtheEastQinlingmolybdenumbelthavebeendetermined.ItisindicatedthattheHuanglongpucarbonatitevein-typemolybdenum-(lead)deposithasaRe-OsagecorrespondingtoIndosinian,whiletherestporphyry-typemolybdenumdepositsandporphyry-skarn-typemolybdenum-(tungsten)depositshaveRe-OsagescorrespondingtoYenshanian.
出版日期
1995年04月14日（中国期刊网平台首次上网日期，不代表论文的发表时间）
