中国主要高压_超高压变质带的大地构造背景及俯冲_折返机制的探讨_杨经绥

30AetaPetrologiea51,ziea2009,25(7)beltsintheWestHimalayanSyl-KeywordsHP/UHPM;CoresPeetively.Oiamond;Subduetion;Exhumation,(100km),?,(HP/UHP)11,,20,HPUHP,!?HPUHP?()()HPUHP?11/,4:I,()/,(I),(2),(3);11./,(4)/,(5)/,(6);(7)();111./,(8)();W./,(9),(10),(11)/()(),;(),(),()(),//;//,,/;/,,//;;;;P541,()30%,(),(),20,(Chopin,2003)(xu,1987)19878,,,(,1994)(Chopin,1984)(Shath,1984),,,((220240Ma)(xu,1987;Wangetal,1989;Okayetal.,1989:xuetal.,1992),(2)(220-240Ma)(YangandSmith,1989;Enamiandzhang,1990)(Hongseong)(Kimetal.,2006);(3)(42045oMa)(,200];Yangetal,2001,2002:Songe,al,Zoo3a,b)(493504Ma)(zhangal.,200],2002;,2002:,2002;Liuezal.,2003);(4)(50738Ma)(,2002;Yangetal.,2003);(5)(,2006)(,1978;wutal.,1993);(6)(244223Ma)(,2006a,b);(7)()(261SMa)(,2006a,2007;Yangetal.,2009);(8)(226233Ma)(,2005;Luetal.,2008);(9)()(,2007);(10)(819ZIMa)(,1998;,2006b);(11)(3254Ma)(,2004)(1),(I)DoraMairaMassif(3538Ma)(Chopin,1984)(2)(401Ma)(WestemCneissRegion)(smth,1954,1988:Carswelletal.,2003),.llesl.1532AezaPezrolog:aSinica2009,25(7)()(),:(3)Kokohetav(535Ma)(50,olevaodSllatsky,990;Sarsky02al.,1995:Haekerezal.,2003);(4)ZerlnatSaaS(44Ma)(Reieeke,]991;Ruba,*o,al.,1998);(5)panAfrioaoNappes(620Ma)(Caby,1994);(6)Makbal(482Ma)(Tagirietal.,1995);(7)CentralSulaweziBalltimalaCo,11plex(110120Ma)(Parkinso,1.,1995);(s)MaksyutovCoroplex(375400Ma)(IeeehandErnst,1998):(9)BohemiaflMassif(380Ma)(Masso,ne,1999,2001);(10)l(Carpa[hians)LeaotaMassif(Sdbdu,2000);(11):lRhd)PeMetamo,,hiprovinee(149,73,slMa)(MloskoandKostopoulos,2001):(12)VariseanMassifCentral(400420Ma)(Lardeauxetal.,2001);(13)KaghanValley(4050Ma)(OBrie,1etal.,2001);(14)Mi,las(;e,i*paliAieanNappes(630640Ma)(Painsonetal.,2001);(15)NorthViroriaIa,ldLantermanRange(500Ma)(GhiriLelli;2.,2002);(16)(400Ma)(GilottiandRavna,20()2;M(Cleland2al.,2006);(17)dakh,rsMo,eoolplex(55Ma)(sa(hane,al.,2004);(18)J--LW,()dla,klift}}(SMa)(Baldoine,al.,2004,2008)/,,()100150km,,,,,;20,()//(HP)(UHP),HPUHP,??HPUHP?()()HPUHP?,,2//,,11/(1),,4:1.()/,(l),(2),(3);n.(),(4)/,(5)/,(6);(7)();1.(),(8)/;W.()/,(9),(ro),(11)2.1()//,,,,,,,400km(,1999;,1999),(,2002)2.1.110,,,350km(2)(,1998,2002;Yangt2.,2000,2001,2002,2006;,2000;zhangJ--xetal.,20()5,2006;,2001;Songel1.,2003a,2006),25a,T)700C,50044oMa,(zhangJX,2009;ZhangGB,2009),,(,1987;,1994)(Yangetal.,2000,Zoox,2002;songetal.,2005)Yangetal.(2002)SHRIMPUPb440490Ma,(0.010.03)TU,,:/1533(,2001)AsimpliedgoologiealmaPoftheNorthQaidamfgionandsouthAltun,showingthemainelogitel(,alilies(afleryang2001)(440500Ma)(Yangetal.,2002;,2001,2002)sorlgtaz.(2005)SHRIMP,45722Ma423SM3976Ma,,UHP,SHRIMP,421-454Ma,(,2007:Zhangetal.,2008)IS,,SHRIMPUPb4%Ma446Ma(,2001,2002,2004,2007b,2008),,UPb510Ma(,2004a),UPb4966Ma(,2002)(1999)UPb48613Ma,1,,,500400Ma,(,2003a;,2004h:Yangezal.,2005),800-75oMa(zhangt2.,2005,2006),,smNd78022Ma,111)Sr765,39Ma(,Zoo4a),,(,1996,2002,2003;,1999,2002,2005;,2001);SOOMa(,1999:zhangetal.,2001,2005),(2003)UI(),7.OGPa(,2005;Ietal,2007)(ULll)(,2005),=1.52.7Gpa,T=870]050(zhangeal.,2005),SHRIMP500Ma,ArAr474SMa,(,),,(,1999),HP/UHP,,(,1999;Zhangetal.,2001:Yangezal.,2001)2.1.2(1534AetaPetrolieasiniea2009,25(7),1976;,1978),/,,HP/LTFranciscanHP/LT,,,(l),(2),(3),(4)(l),,()()(),(19%)522495Ma,445428MaSHRIMP533568Ma,(,2006)(2),/(HP/LT),(,2006;Zhange,al.,2007),NSEE,(,1998),ArAr440460Ma(Wuetal.,1993;,1997),SllRIMP463468Ma(,2004),SHRIMPUPb479489Ma(Zhangetal.,2007)(3)LlJ,,,,,,466481Ma(,1997)(4),,,,,(),(,1998;,1999),(,2002),sHRIMPuPb479SMa,(,2008)(1995),(Zhangetal.,2005;,2008)25km,40kmHP/[T,,NWWSEE,,,,4s0Ma(,2005;,2005,Zoo7a),Hp/ITJ,,2.1.3,,,(Mattaueretal.,1985;,1986;,1995,2001;Mengandzhang,1999)(3),(MengandZhang,1999),,,,,,,(1000sooMa)(,2001),;480Ma;(,2001),,,1154Ma,444Ma(,2002),Ediaoaran(61113Ma),3193Ma(,2005)Mengandzhang(1999),,(,2001)(1994)50km,2skm,,SmNd40016Ma,(,1996),,,,(,2002):/]5353(,1994,)l;2;3;4;5;6;7;8;9;10;11;12;13PtlQ;PtZK;Pz1D;Pz1EFig.3Sketeedgeol)giealmapoftheEastQinlingandadjaeentSinoKoreanplateandYangtzeplate(modifiederZhangetal.,1994)llocationOfdiamondbengeelogiteandeountrockeiss;2CovelofNortlChinaClaton;3Cove,ofSc)t,thQir,lingBelt;4CovoroftlleYan,Craton;5~Plllterozoi,;61aean;7hiolite;8hateMesozoi{gnit:9ePaleozoieEarlyMesozoi(1nites:10EarlyPaleozoiegrantes;11MidlleePerozoi!9.utes;12Multlala6eintri;sions.PtlQQiingCouP;ptZKKuanpingGroup;IDI)ifeng(up;PzlEE,lallgpirC1,up:T=680770,=2.32.7GPa(,),(2.SGPa)SHRIMP,50738Ma,(,2002)(2003)[JAICPMS,206Pb/38u50512Ma,SHRIMP,sooMa(490440Ma)(,2001;,2002),(4244s0Ma,,2000;450-46oMa,,2002;3ogMa,,2008),,(,2003;Yangetal.,2005),,,(Qiuet,ll.,2007),,()(Kimeal.,2006)2.2/,:(l),(2),(3),(4)()2.2.1,(x,1987;Wangetal.,1989:okayet2.,959;xu2al.,1992),,,(4)/,/36ActaPe,rolieaSiniea2009,25(7)4/(,2005a)yLsuHP;QYSuHP;THSHP;YCB;YCC;MF;HB;FB;T[JFFig.4TeetonienlapoftheDabieHPUHPmetamohieterrain(modifiedafterXuetal.,2005a)YLSYuexiLuotianUHpmetamohioteetoniesliee;QYSQianshanYingshanUHPtneta:11orpliieoniesliee;rHSTaihuHonnHpmetamoIPhieteconio511(:YCBYangtzebasement;YCCYangtzeeovers;MFMetamohie11ysh;HBBaeklanzl:FBreland;TIFTanglustrikeslipfault:UHPUHPHP,,(,2005a)(4)(,1991;Xuezal.,992),,,,,(,,2005a,,2007),,(