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252Vol.25,No.220114MINERALRESOURCESANDGEOLOGYApr.,2011,(,726000):,326()1,-,,,,:;;;;:P618.4:A:1001-5663(2011)02-0120-060,()-()105km,40km,4200km22070~90,712713,26()1,,,-----3(),[1~4],,,-,,--[1](1),()-()EW,---,,22.1,:2.1.1(S1my):-(65),,,1120:2010-09-10:19-,--,(S2s):,-1400,(S3s):1Fig.1GeotectoniclocationdiagramofXunbeigoldleadzincoreconcentrationarea--------2.1.2(D1x):,(D2g):-(D2s):,(D2d):,(D2y):(D3l):(D3n):2.2,,--EW,50km,25km,EW--(F1):,,NWW-SEE,50km,5~50m,-,N,,,(F2):,,,-(F3):,40km,2~10m-(F4):,,,W,10~40,,,1212.3,,-,,,,3105km,40km53(2)--():,,30km,4km31-():,,-40km,20km--():,NWW,64km,12km()2Fig.2GeologyandmineralresourcesschemeofXunbeigoldleadzincoreconcentrationareaC-P--C-D--D3-D2-3-D2-S2s-S1my-O-F1-F2-F3--F4--1-2-3-4-5-6-7-44.17131985~1987-,20~50(D2g)(D2s),,150~5~,5~6,()%~%,(Z)5.55%~7.17%--,,,4.2(D2s)-,[]40m1.2918.44m2.917.1mwPb0.020.14wn21223,,0.5~2.5m,20,w(Pb)0.67%~5.68%,w(Zn)2.39%~12.62%,,40~60,,,4.37131993~1997(D1x)(D2g)(D2s)310[4]100~470m,0.8~nm,w(Au)n~1010-6,,,,,55.1-,-,,,-[5~6],,,,()()5.2-5,-5.3()-(),,,,,-66.1:[2],232~292,-(219~273)[7],:34S-8.46~+13.42,21.88,5.27,,,:206Pb/204Pb17.838207Pb/204Pb15.580208Pb/204Pb38.148,:DH2O-77.8518O18.76,D-18O3,,,,,6312.-199.[8],Sheppard[9],:pH4.75~7.66,5.67,-6.2:136~320[4],210~250,,:34S14.28~18.21,15.97,:206Pb/204Pb18.200207Pb/204Pb15.647208Pb/204Pb38.458,:DH2O-58.5418O18.52,DH2O,,,:REE177.10179.74143.11,LREE/HREE9.719.288.34,7,,,,-(),,,,,,,-(),,,,(),,,,,,,()3Fig.3ComprehensivemetallogenicmodelofXunbeigoldleadzincdepositD1x-D1g-D2d-D2y-S1-2-1-2-3------8,-,,,,()--:1-:124,,1:51:10,1:5,1:1-,-,(2):,,,(3)-:(),-,,,(),,,,,,:[1],.[M].,1991.[2],,,.[J].,2003,21(1):19.[3],,.[J].,2007,26(2):155165.[4],,.[J].,2000,24(1):6569.[5],,,.[J].,2005,24(10):927934.[6],,,.[J].,2005,24(5):490500.[7].-[J].,1994,12:38.[8],,.[J].,2000,7(2):299320.[9]SheppardSMF.Characterizationandisotopicvariationsinnaturalwaters[J].Rev.Mineral.1986,16:165183.MetallogenicgeologicalcharacteristicsandproposalforprospectingmethodofgoldleadzincoreconcentrationareainXunbeiregion,ShaanxiprovinceZHANGXishe,DANGKanfen(No.713Team,GeneralNorthwestBureauofNonferrousGeologicalProspecting,Shangluo,Shaanxi726000)Abstract:XunyanggoldleadzincoreconcentrationareaislocatedinnorthernXunyangcountyofShaanxiprovinceandintheeastsectionofIndosinianfoldzoneinsouthernQinling.Threegoldleadzincmetallogenicbeltsand26leadzincdeposits(occurrences)andonegolddeposithavebeenfoundinthearea.Theyarehostedinsilurianseriesanddevonianseries,andthemineralizationisconcernedwithhydrothermaldepositionandtectonicrestructuringeffect.Theleadzincorebodiesareinbeddingdistributioninalayerorlayerlikeform,thegoldorebodiesareproducedfromrupturestructuralbeltinavein,alensorabeanform.Thispapersetsupthecomprehensivemetallogenicmodelsofleadzincdepositandgolddepositonthebasisofthesummationoforeforminggeologicalconditions,indicatesthatthisoreconcentrationareaisexpectedtobealargeleadzincresourcebaseandoffersaproposaloffurtheroreprospectingwork.KeyWords:leadzincgoldpolymetallicdeposit,geologicalcharacteristics,metallogenicmodel,Xunyang,Shaanxi512