内蒙古1017高地银铅多金属矿地质特征及找矿标志

1017*黄忠军,王贵春,111000:1017高地银铅多金属矿区是近两年在内蒙古自治区锡林郭勒盟东北部发现的一处岩浆热液型银铅多金属矿,大规模的地质普查和综合性研究工作正在进行之中燕山晚期中粗粒黑云二长花岗岩和中细粒黑云二长花岗岩是主要矿源层,褶皱和断裂提供了成矿空间岩体中构造破碎带构造角砾岩,具有各种蚀变和矿化的地质体,物探激电中梯测量圈定的极化率异常区和可控源音频大地电磁测深圈定的低阻地质体都是寻找银铅多金属矿的重要标志1017高地具有形成大中型银铅多金属矿床的成矿条件:银铅多金属矿;地质特征;找矿标志;1017高地;内蒙古:P618.51:A:10052518(2009)050036061017,20km,90km,:1173900!~1174700!460130!~460430!10172050,1956,101,1∀20;1959~1960,1∀100;[1]21,1∀511017#,#,#,#[2],,,(),1.11017,,(D3a),,,,1.2,,,NENNE,NE,NW,#,,,,(1)1.3,,;,,,NWEW,50~200m,0.3~2m,,NW,,,,,,NW175200910GOLDSCIENCEANDTECHNOLOGYVo.l17No5Oct.2009*:20090112;:20090319.:(1965),,,,.Emai:[e-mail].;EW,,,,,,11017[3]1.;2.;3.;4.;5.;6.1017;∃;%;&;&1;&2;&3;&31;&32;&33;&4;∋1.4,#,,,[4],,,,,#,:();(1017);(),,[4],,22.11017,NE,()1237,1:,55,SE,25~351TC310.60m,;,Ag457.67(10-6,Pb44.68(10-231ZK31033(1)2:,260m,60m,5~6mNE65,SE155,25~35,,;,,2TC40196)30,9.7m,:Ag71.65(10-6,Pb1.01(10-22TC242,13m,:Ag327.84(10-6,Pb12.408(10-2;22m,:Ag578.21(10-6,Pb25.405(10-29,:Ag250.00(10-6,Pb2.07(10-2,Zn3.55(10-226,3:,,,37黄忠军等:内蒙古1017高地银铅多金属矿地质特征及找矿标志,,,,,150m,1m,2310,5m146)20,3TC391.44m,:Ag786.75(10-6Pb3.21(10-2,3TC471.20m,:Ag326.75(10-6Pb2.30(10-211ZK3103/m/m/m/m/%/%113.20~117.704.50Ag18.2(10-6AgZn0.91(10-2ZnAg74.3(10-6Ag111ZK3103260277.01122.50~125.863.36Pb0.56(10-2Pb10096Zn0.52(10-2Zn256.73~258.031.30Ag18.2(10-6AgZn0.91(10-2Pb7:982,WYZK0001s3,1,5AgZn,20~40,,,,,1172.26~173.46m(1.20),:Ag6.75(10-6Zn3.68(10-2;2195.14~196.84m(1.70),:Ag5.90(10-6Zn2.73(10-2;3242.91~244.36m(1.45),:Ag63.1(10-6Zn1.23(10-2;4249.06~250.66m(1.60),:Ag5.72(10-6Zn2.09(10-2;5256.76~258.01m(1.25),:Ag4.24(10-6Zn3.28(10-257,,1~102.2;;2.3;2.4,(),,8,16s11017,1800m,400~700m,,NE,12,,s2s2s1,s1s3982,500m,,,,NE,,,5.4%,7,,,s41017,∗+,,,,45,,s5,EW,,6km2,3.5km,1.5km,,1.5%~3.0%,,,,,,,s6s3,NEs7NE,,,38HUANGZhongjunetal.:GeologicalCharacteristicsandProspectingCriteriaofAgPbPolymentallic,,5%,10%,,,,,s82km2,,,,[5](2)9,3916,()[5](3)210171.;2.;3.;4.;5.;6.;7.;8.;9.;10.;Q;D3a;K11b!a;K11c!a33.1NE#,,,3.2,,(1),2,,7000m,1500m;,,(),(2)(3)NENW(4)1%~5%,10%,,(5)AgPbZnAsSbAgPbZn,,AsSb,AgPbZn,,[4]4(1)1017,,,,(2),1017,(3),,39黄忠军等:内蒙古1017高地银铅多金属矿地质特征及找矿标志#,,NE###,,,[4]33(4),AgPbZnCu,1017[1].()[R].:,1978.[2].[M].:,1993.[3].1∀52007[R].:,2007.[4],#[R].:,2008.[5].1017[R].:,2008.40HUANGZhongjunetal.:GeologicalCharacteristicsandProspectingCriteriaofAgPbPolymentallic,GeologicalCharacteristicsandProspectingCriteriaofAgPbPolymentallicDepositinHighland1017,InnerMongoliaHUANGZhongjun,WANGGuichunNO.4GoldGeologicalPartyofCAPF,Liaoyang111000,Liaoning,ChinaAbstract:AgPbpolymetallicminingareaofhighland1017isakindofmagmatichydrothermalAgPbpolymetallicdepositfoundinthenortheastpartofXilinguoleleague,InnerMongolia.Largescalegeologicalsurveyandcomprehensiveresearchforitareinprocess.ThemajorsourcebedsaremediumcoarseandmediumfinegrainedbiotiteadamelliteoflateYanshanera,thefoldsandfaultsstructureprovidespacesforthepolymetallicmineralization.TheimportantindicatorsoffindingAgPbpolymetallicoreincludestructurefracturezoneandtectonicbrecciainrocks,thegeologicalbodywithavarietyofalteredandmineralized,thepolarizabilityanomalyareadelineatedbythegeophysicalIPintermediategradien,tandthelowresistivitygeologicalbodydelinaeatedbycontrollablesourceaudiofrequencymagnetotelluricsounding.TherearetheorecontrollingfactorsforlargeormediumAgPbpolymetallicoreinhighland1017.Keywords:AgPbpolymetallicore;Geologicalcharacteristics;Prospectingcriteria;Highland1017;InnerMongolia:,,,,,,,;,,;:(1),0.044~0.42mm,,,200~400mV(SCE),35~85−,2.0~7.5mol/L,0.5~4.0mol/L,(∀)(3~10)∀1,0.7~2.5,2~6h;:Ni+2HCl+H2O2=NiCl2+2H2O(1)Fe+2HCl+H2O2=FeCl2+2H2O(2)2FeCl2+H2O2+2HCl=2FeCl3+2H2O(3)Co+H2O2+2HCl=CoCl2+2H2O(4)Cu+H2O2+2HCl=CuCl2+2H2O(5)Si+2H2O2=SiO2+2H2O(6)(2),35~85−,10%~20%0.044mm,2~5h;:CuCl2+Ni=NiCl2+Cu(7)CuCl2+Co=CoCl2+Cu(8)CuCl2+Fe=FeCl2+Cu(9)(3),,,,400~600mV(SCE);35~85−,1.0~3.5mol/L,3~1,,;99%,;,,;41黄忠军等:内蒙古1017高地银铅多金属矿地质特征及找矿标志