Vol.31No.3Jun.，2023矿产勘查与资源评价386Ar-ArDatingofSericitefromAqiyinGoldDepositintheWestSectionofEastKunlunandItsGeologicalSignificanceLIUZhigang，ZHANGAikui，LIUYongle，ZHANGYong，HEShuyue，SUNFeifeiTheThirdInstituteofQinghaiGeologicalProspecting，Xining810029，Qinghai，ChinaAbstract：TheEastKunlunmetallogenicbeltisanimportantgoldandothermetalmetallogenicbeltinQinghaiProvince，butitismostlyconcentratedintheeasternpartoftheEastKunlun.ThewesternpartoftheEastKunlunnotonlyhasasmallnumberofdeposits，butalsohasasmallscaleoforedeposits.Meanwhile，theresearchonthegenesisofthedepositsisweakandtheprospectingpotentialisunknown，whichbecomethebottleneckrestrictingthebreakthroughofgoldprospectinginthewesternpartoftheEastKunlun.ThediscoveryofAqiyingoldoredepositcannotonlyenrichthetypesofgolddepositintheEastKunlunmetallogenicbelt，butalsohaveimportantscientificresearchvaluetoimprovetheunderstandingofgoldmineralizationrulesinthewesternpartoftheEastKunlun.TheAqiyingolddepositislocatedinthewesternpartoftheEastKunlunmetallogenicbelt，whichisastructuralore-controlgolddepositoccurredinporphyriticquartzmonzonite.Inordertodeterminethemetallogenicageofthegolddeposit，the40Ar-39Aragetestofsericiteinthealteredgranite-porphyryrelatedtogoldmineralizationwascarriedout，andtheweightedaverageagesofsericiteare（263.2±4.5）Maand（268.7±9.7）Ma，respectively.Theresultsshowthatthemainore-formingageoftheAqiyingolddepositistheMiddlePermian，whichisofgreatsignificanceforfurtherunderstandingofthegeneticmechanismandgeodynamicbackgroundandregionalgoldexplorationofthegolddepositinthewesternpartofEastKunlun.Meanwhile，enoughattentionshouldbepaidtowhetherthereisaMiddlePermiangolddepositintheEastKunlunarea.Keywords：sericite；Ar-Ardating；metallogenicepoch；MiddlePermian；Aqiyingolddeposit；EastKunlun《中国矿产地质志·金矿卷》通过评审验收据7月14日报道，由中国地质科学院矿产资源研究所（以下简称“资源所”）研究员王登红主编的《中国矿产地质志》系列成果之《中国矿产地质志·金矿卷》（以下简称《金矿卷》）通过...
