河南栾川地区矽卡岩型铅锌矿地质特征———南泥湖钼矿外围找矿问

1,2,2,1,2,1,2(1.450007;2.,471023):,,,,,,,,,,,:;;;:P618.4:A:1672-4135(2005)01-0025-07:2004-03-08,:2004-06-20:(199910200227):(1960-),,,,.,1986.()6070,,,,(),,[1],,(),MVT[2](),,,1(),,,,,,(1),:1),,,UPb999Ma,RbSr(139443)Ma,1410,2),,,,,,,,,,,,,,,,28120053GEOLOGICALSURVEYANDRESEARCHVol.28No.1Mar.2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(1),,,1Fig.1Regionalgeologicalsketchmap1.;2.;3.;4.;5;6.;7.;8.;9.;10.;11.;12.;13.;14.;15.;16.;17.;18.;19.;20.;21.;22..(),1982..,1975.,(743Ma),,(2),,,,0.12km2,,600m1.2km2,,(5080)(2040),290120,,2,(),6228©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2Fig.2SketchshowingthedistributionofthesmallrockbodiesandthethermalmetamorphicbeltintheNannihuMoorefield1.;2.;3.600m;4.;5.2.1(),,,,,,3001800m,550m,2002203060(),50100m,5000m;,5570;,,;,,,3050m,3km;1306585,;,,,;,,,,;5%10%,,;,,,,,(3),,,,,[3],21024030456001200m,500m,254m,:S17.6110-2,Cu0.3610-2,W0.2210-2,Zn2.5010-2;:Zn8.5010-2,Pb2.2010-22.2,;,,,2.3,;,,721:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3Fig.3GeologicalsketchmapoftheLuotuoshanorefield1.;2.;3.;4.;5.;6.;7.;8.;9.;10.;11.;12.;13.;14.,,,2.4,,,,,,,,,,,;,,,,,,,,,,,520m,,2.5,:1),;2),,,2.6(),,,,8228©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved..,1980.,,,FK1S031,20,Pb4.5010-2,Zn9.7010-22.7,(),(),,,(1),,,fS2,fO2pH,,34S34Ss,34Ss1Table1Compositionofthesulfideisotope34SLn071.29S152.32S16S170.371.77S182.24,[4];(40Ar39Artp=137139Ma,),,33.1,()(),,(),,()3.2150,()(4),,,()(),3.315()[5],,40km,20km,,MoWBiCuZnPbAgAsBaGe,,WMo(Bi)Cu(Pb)(Ag),(W)MoCuZnPbAgAs(Mo)(Cu)ZnPbAgAs(Ba),(Zn)(Pb)(Ag)AsBaGePbZnAg,,921:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4Fig.4GravityverticalsecondaryderivativeplanimetricmapoftheNannihuMoorefieldPbZnAgPb,,,ZnPb,ZnCuW,CuZn,ZnPbAgPb,110-6,,,,()()(),4,/,-,,(),,,,()(),1km,520,,:[1],.[M].:,1991,108130.[2],,,.MVT[J].,2004,27(4):249254.[3],,.[M].:,1989,104130.[4].[J].,1987,5(3):1618.[5],,,.[J].,2002,25(34):164169.0328©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.CharactersoftheSkarnPbZnDepositinLuanchuanCounty,HenanProvinceLBWende,ZHAOChunhe,SUNWeizhi,YANJianshe(1.GeologicalSurveyofHenanProvince,Zhengzhou,Henan450007;2.No.1GeologicalSurveyofHenanGeologicalBureau,Luoyang,Henan471023)Abstract:TheNannihuMo(molybdenum)oreinLuanchuanCounty,HenanProvinceisveryfamousintheworldbecauseofitsbigscale,highquality,easilymininganddressing.ItisoneofthemostimportantplacesproducingmolybdenuminChinaandevenintheworld.Resentyears,duringthege2ologicalsurvey,theSkarnPbZnorewasfoundfirstlyaroundtheoldMoore.ThePbZnoreappearsinthelayeredskarnrock.Itislayeredwithbigthicknessandwidedistribution,andcontrolledbytheMidLateProterozoicmarblestrata.ItsformationhasrelationshipwiththelittlegranitesinYanshanperiod.Thiskindoforeisabiggoalofprospecting.Keywords:PbZnore;layeredskarntypeore;NannihuMoore;Luanchuan,HenanProvince:210Pb,137Cs210Pb/137Cs210Pb/137Cs1980(,1983)210Pb(,198719911992),,,210Pb;2000,210Pb137Cs(,2003;,2003)20,75(210Pb43,210Pb/137Cs32)(,,2005,),,,,,908,210Pb/137Cs,75,210Pb/137Cs,:,,,/,,,210Pbexc,,(1),,02224023551/[e-mail],(2),,,02224023524/[e-mail]()131:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.