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[]2000-03-07;[]2000-07-29;[][](JG9471901)1,1,1,2,2(1.,541004;2.,730000)[],;,Au,Cu,Pb,Zn,As,Sb,Mo,V,MnAg,Sn,Sr,BaTi,Cr,Co,Ni;Au,Ag,As,Sb,Mo,Mn,SrCu,Pb,Zn,Sn,BaCo,Ni,Ti,V,Cr;Cu,Pb,Zn,Mo,Au,Ag,BaAs,Sb,Sn,MnTi,V,Cr,Co,Ni,Sr,Au,Ag,As,Sb,Mo,(Mn)Cu,Pb,Zn,(Ba,Ti,V,Cr)()AuCu,()[][]P593[]A[]0495-5331(2001)03-0045-05[1723][18],,1[9]4603(AnJx)(S);3(C)[9],(S);;[10],(1),2000m,5m50m;,,,,1Au:10-9;10-6AuAgCuPbZnAsSbMoSnSrBaCoNiTiVCrMn2780.900.142918.7685.11.330.931.74289890143127088665694124164.041.398119.02810.72.761.572.092023068111298393111002332.250.8425863.51119.11.930.831.463166601526366412751813(1996)Au(WPG-1001m);As,Sb(AFS-120);(90-750II),,,,(Reaumuriasoongrica),15%25%;(Salsolaarbuscula),6%12%(Haloxylonam2modendron)(Haloxylonpersicum)(Zygo2phyllumxanthoxylon)(Ephedraprzewalskii)(Nitrariasibirica)(Kalidiumgracile),;,,[11,12]21)km22;(),(20m50m)(100m30m)5437320015GEOLOGYANDPROSPECTINGVol.37No.3May,20012),4m2,400g3),();(60),804),(450)(As,Sb),5),2%,[13]33.12,,Au200,(0.56954)10-9,(Vx)146%;(0.141.78)10-9,Vx43.5%Cu20,(10.5497)10-6,Vx124%;(3.121)10-6,Vx32.1%Ag,As,Sb,Mo24,Vx40%96%;Vx20%30%Pb,Zn,Sn,Ba,Co,Ni1.53.5,Vx40%60%;Vx16%30%,2Au:10-9;10-6AuAgCuPbZnAsSbMoSnSrBaCoNiTiVCrMn540.840.19122.4220.850.140.260.60140441.232.281212.86.3542120170.880.78214.6331.820.310.660.33147252.103.01723.63.5581081.420.382738.3361.510.220.440.97127722.353.871794.010.0501:Au,Ag,As,Sb,Mo,Sr,Mn;Cu,Pb,Zn,Sn,Ba,Co,Ni,Co,Ti,V,Cr3.21,,,,,;,[14,15,16,18]3.32,Au,Cu,Pb,Zn,As,Sb,Mo,V,MnAg,Sn,Sr,BaTi,Cr,Co,Ni3Cu;Ag,Sn,Cr,Co,Ni[14,16,18]Au,Ag,As,Sb,Mo,Mn,SrCu,Pb,Zn,Sn,BaCo,Ni,Ti,V,Cr3Cu,Pb,Zn,Mo,Au,Ag,Ba11;2;3(:Au10-9;10-6)As,Sb,Sn,MnTi,V,Cr,Co,Ni,Sr3AuAg,As,Sb,Cu,Pb,Zn;CuPb,Zn,As,Sb642001..19952R3.4(3),,,,,,()Au,Ag,As,Sb,Mo,(Mn)Cu,Pb,Zn,(Ba,Ti,V,Cr),3AuAgCuPbZnAsSbMoSnSrBaCoNiTiVCrMn203.04.11.81.901.492.142.212.540.551.050.571.701.320.591.290.561.08162.010.22.11.020.412.102.081.691.200.700.340.540.340.480.450.481.591.72.020.53.431.641.781.571.691.620.911.641.911.701.471.411.580.932.56.28.93.401.641.781.450.890.841.090.741.040.081.351.480.781.17346021;2;3;4;5;6(:Au10-9;10-6)743:49D31;D32,;D33;D34;1;2;3;4(:Au10-9;10-6)5621;2;3;4;5;6(:Au10-9;10-6),3.5()()(345)(1)842001()AuCu,,,();(2)()Au,Ag,As,Sb,MoCu,Pb,Zn,Sn,Ba;(3),Au,Ag,As,MoSb,Ba,(Cu)Ti,Mn;Au,As,Sb,Co,PbMo,AgBa,Ti;Cu,Pb,Zn,Sn,(Ag)Ba,(Au)Ti,V4,,,,,,,();AuCu()[][1],.Au[J].,1996,25(2)196203.[2],.[J].,199234(10)781789.[3],.[J].,1992,16(6)471473.[4],.[J].,1993,29(1)4146.[5],.[J].,1998,7(4)241249.[6].[J].,1989,8(1)8992.[7],.[J].,1995,17(2)3238.[8],,,.[J].1991,37529541.[9],.[M].,1990.34,197209.[10],,.[J].,1998,8(3):523528.[11].()[M].,1987.368370,304305,319320.[12].()[M].,1985.350355,911,380382.[13].[M].,1994.5560.[14],.[M].,1988.359360.[15],,,.[M].,1987.3134.[16],.[M].,1985.169177.[17]BrooksRR.BiologicalmethodsofProspectingforMineral[M].John2WileyandSons,NewYork,1983.153158.[18]LevinsonAA.IntroductiontoExplorationGeochemistry[M].AppliedPublishingLtd.Calgary.Alberta,Canada,1987.1520,198212[19]BrooksRR.GeobotanyandBiogeochemistryinMineralExplorationHerperandRow[M],NewYork,1972.213217.[20]KovalevskiiAL.BiogeochemicalprospectingfororedipositsintheUSSR[M].J.ofGeochem.Explor.1984,21:6273.[21]KovalevskiiAL.BiogeochemicalExplorationforMineralDeposits(TranslatedbyM.B.Rosenberg)[J].VNUSciencepress,Utrecht,1987,2555.[22]BuscheFD.Usingplantsasanexplorationtoolforgold[J].J.ofGeochem.Explor,1989,32:199210.[23]BowenHJM.EnvironmentalChemistryoftheElements[M].Aca2demicPress,London,1979.243,272.BOTANICALGEOCHEMISTRYOFREDWOODOFTHEAu-CuDEPOSITSINBEISHAN,GANSUSONGCi-an,LEILiang-qi,YANGQi-jun,WANGDe-zi,YANGYun-songAbstract:Beishanisagubiarea.Itsfloraismainlyredwood.Thecontentsofthemostelementsespeciallytheore-formingelementsandtheirvariousindexarehigherthanbackgroundarea.Theelementcontentsarecharacterizedbylogarithmnormaldistributionpatterninthebackgroundarea,butbylogarithmnormaldistributionpatternwithmulti-peakintheorearea.TheelementassemblageofredwoodisAu,Cu,Pb,Zn,As,Sb,Mo,V,MnandAg,Sn,Sr,BaaswllasTi,Cr,Co,Niinthebackgroundarea.TheelementassemblageofredwoodinthegoldoreareasisAu,Ag,As,Sb,Mo,Mn,SrandCu,Pb,Zn,Sn,BaaswellasCo,Ni,Ti,V,Cr.InthecopperareatheelementassemblageisCu,Pb,Zn,Mo,Au,Ag,BaandAs,Sb,Sn,MnaswellasTi,V,Cr,Co,Ni,Sr.Theelementarycon2centrativeparameterofredwoodishighwherethatofrocksishighintheorearea.ThetypicalelementsofredwoodandrocksinthegoldandcopperdepositsareAu,Ag,As,Sb,Mo,(Mn)andCu,Pb,Zn,(Ba,Ti,V,Cr)respectively.TheAuandCubotanicalgeochemicalanomalyandcomposedzonationarerespectivelydevelopedoverorebodiesingolddepositsandcopperdeposits.Accordingtothebotaniclgeochemistryofredwood,thegoldandcoppermineralizationcanbeiden2tifiedandtheconcealedorebodesbepredicted.Keywords:golddeposit,copperdeposit,Gansu,prospecting,phtogeochemisty[](1948-),,1976,,:12:541004943: