华南地区钦杭成矿带地质特征和矿床时空分布规律_

85520115ACTAGEOLOGICASINICAVol.85No.5May2011:(2007CB411405),(40930419),(1212011120831):2010-11-19;:2011-03-23;::,,1956:100037,26;Email:[e-mail]:CNKI:11-1951/P.20110512.0827.001:2011-5-128:27:29:毛景文,陈懋弘,袁顺达,郭春丽,,,100037:,,,,:,--,:,,;--,,;160~150Ma,,,;135Ma,,,,,,:--;;;;;;-(),-()-(),,,,,S,2000km,100~150km,))))),))(,1987);))))),)))(,2009)(2009),-,(1)Cu-Au-Pb-Zn-Ag,(,2009),,,(,2007),,5:1(,2009)Fig.1SketchedmapofQing-Hangcombinedbeltandadjacentregions(afterYangMingguietal.,2009)1)();2);3);4);I1);I11);I21);I2);I12);I22);II1);II01)-;II11);II21);II31);II41);II51);II61);II12));I-II1);I-II2);I-II3)-;I-II4);I-II5);I-II6)1)Ancientcombiningbelt(Thedottedlinesareinferredparts);2)Faultsandboundariesoftectonicunits;3)boundariesoftransitionaltectonicbelts;4)Ophiolite;I1)Yangtzeblock;I11)JiangnanMassif;I21)LowerYangtzedepression;I2)continentalorogenicbeltinHunan-Guangxi;I12)depressionincentralHunan;I22)Youjiangrift;II1)continentalorogeniczoneinZhejiang;II01)Luo-Xianforefoldedpunchbelt;II11)Luo-Xianfoldbelt;II21)Wuyifoldbelt;II31)volcanicfaultbeltinSoutheastcoast;II41)Yunkaifoldbelt;II51)EasternGuangdongfoldbelt;II61)Hainanfoldbelt;II12)CathaysianBlock-SouthHainanresidualblock;I-II1)WestZhejiangTerrane;I-II2)WannianTerrane;I-II3)Ping-Ledepression;I-II4)Southeastdepression;I-II5)Nanlingcompoundzone;I-II6)Qinzhoudepression,,,,11.1(1960,1977),/0/0,(1990)-3,,2070,,(1980,1986),(1986)--,,,(1986,1987,1988,1995)珺等(1993)等认,-,,/0;),,(1993),(2000),,(1980,1987);Hsu(1981,1988);(1996);(1989)/0,,(,1986,1987;,1990;珺,1993;丘元,1993,1994;,1994;,1994;,1994;,1994;,1994a,1994b,1996;,2006)(1998)/0,/0(1998),)2090,6372011Lietal.(1999)(1999)(2000)(2000)(2008)Rodinia1.0~0.9Ga,(,),0.9~0.85Ga,,,0.7GaRodinia()21,(2002)(2004,2007,2008)EWNE,NE-NNE(175?5Ma),(,2002;,2009)1.2,Grabau(1924)/0,,(1951)(1959)(1959)/02050~60,(1965)-,/0/0(1954,1960)(1961)(1960,1964)/080,,()(Shuietal.,1986;Shui,1988;,1986,1987,1988,1995;,1993;,1991,1992;,1989,1992,1993;,1991;,1993,1995,1996;,2008),/0,(,1996),SHRIMP1894?17Ma1847?59Ma,2702?13Ma(,2006,2007);,Sm-Nd1410?69Ma(,2000);(2007)0.9~3.76Ga,),,)(,1996),(),SHRIMP1462?28Ma(,2005,2006,2007),()--()906?24Ma,GrenvilleRodinia,2600~1800Ma;,1400Ma-;-(1000Ma);1000~800Ma-;500~400Ma,(,2000),(2006)61,:¹16();º16~10();»10~8(),))),860~1030Ma;820MaS(,1998;,2001),8~9,,,Rodinia,Rodinia(825Ma),)),),,,,,,-,),,,,6385:430~400Ma,S,I,;,1.3/)0ENdtDMGilderetal.(1996)ENdtDM()),,-(2002)ENdtDM,--,,ENdtDM,(2002),-,-(2007))ENdtDM,ENdtDM,,(,2004),/)0,(1999,2000,2001,2009),(2001)-,/)0,(2004))A,A(),A,()-,,ENdtDM,,2,,,,,,2.11500kmCu-Pb-Zn-AuW-Sn-Mo-Bi(,2007,2008,2010;,2009),()--Cu-Pb-Zn-Au-Ag,W-Sn-Mo-Bi(2)(,1989,2006),--,,,,Nb-Ta-W-Sn,40Ar/39Ar214.1?1.9Ma(,2009),,Re-Os224?1.9Ma(,2006)(2008),(),,,,();(),-(,);(,),63920112Fig.2Spatialdistributionofmajorcopper-gold-zinc-leaddepositsinQing-Hangcombinedbelt1);2);3);4);5);6);7);8)1)Qing-Hangcombinedbelt;2)researchrange;3)volcanicarc-relatedsyngeneticmineraldeposit(VMStype)inJinningperiod;4)polymetallicCudepositrelatedtointermediate-acidicrocksofcrust-mantlemixedtype;5)polymetallicCudepositrelatedtocrustalremelttypeandcrust-mantlemixedtypegranitoids;6)hydrothermalveintypecopper-zinc-leaddeposit;7)ductileshearzonetypegolddeposit;8)alteredfracturezonetypegold-silverdeposit(,);(,),();(),()();(,,,)2.2-(,1980;,1992),802.3~976.4Ma(,1992);-(,2008),Re-Os850Ma,;,,6405:(,2006),,,,,,,,,,,,(,1992),,,,(4~6)y,y,:Zn-Cu(Ba)(Cu/Zn1)yCu,S(Zn)(Cu/Zn1)yy(3):yy,,,(2008),,,,2.3----,,,,175Ma155Ma:,,,();,-,,(),,-()()():,,,,,,-,,(4)(,1993;,1983),,----(5),,()yy()-yyy,,,(,2003)(2009,2010)(),,-(),,,yyyy;W,Mo-Fe-(Fe),W,Mo-Zn,Pb(W,Sn)-Pb,Zn(6)(,1993):,Pb-Zn-Cu-Mo,(),SiO273.3%~75.2%,K2O/Na2O,RbThUKThNb,BaSrPEuTi,Eu,Sr/Y,,Rb/Sr(10.8~57.8),(Fe2O3/FeO=0.66~64120113()()(,1980)Fig.3Geologicalmap(upper)andthesection(lower)oftheXiqiuCopperdeposit,Zhejiangprovince(modifiedfromWangZhijunandZhaoXiaofu,1980)(a)1);2);3);4);5);6);7);8);9);10);(b)1);2);3);4);5);6)-;7);8)(a)1)Quaternarysediments;2)NeoproterozoicShuangxiwuGroupquartzkeratophyre;3)NeoproterozoicShuangxiwuGroupkeratophyreandbarite-keratophyre;4)NeoproterozoicShuangxiwuGroupspilite-keratophyrelava;5)spilite;6)albitegranite;7)albiteporphyry;8)quartzdiorite;9)felsiteporphyry;10)ore-hostedrocks;(b)1)NeoproterozoicShuangxiwuGroupkeratophyre;2)NeoproterozoicShuangxiwuGroupspilite-keratophyrelava;3)albiteporphyry;4)spilite-porphyritedike;5)albitegranite;6)massive-bandedore;7)disseminatedore;8)drillhole6425:4(a)(c)(,2006)Fig.4Geologicalmap(a)andthesection(c)oftheBaoshanCu-Pb-Znpolymetallicoredeposit,Hunan(afterLuYuanfaetal.,2006)1)(4b);2);3);4);5);6);7);8);9);10);11)1)Thelocationofresearcharea(Fig.4b)intheSouthHunanprovince;2)Mid-UpperCarboniferousHutianGroup;3)LowerCarboniferousZimenqiaoFormation;4)LowerCarboniferousCeshuiFormation;5)LowerCarboniferousShichengziFormation;6)LowerCarboniferousMenggong.aoFormation;7)UpperDevonianXikuangshanFormation;8)granodioriteporphyry;9)graniteporphyry;10)faultandnumbers;11)orebody1.74)(,2005;,2008),,,