(,,, [39] ; [28]; ( ) [10]) Fig.1 Thesea-floormapofnorthernSouthChinaSea ;(c) [15] ;(d) [11-13] ( );(e) (a) (b) (e), (c) (d) Posamentier(200

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1 Vol.30,No MARINEGEOLOGY & QUATERNARY GEOLOGY Aug.,2010 DOI: /SP.J (1 ( ), ; 2, ; 3 ( ),,266555) : 7, ( ),, ;, : ; ; :P736.2 :A : (2010) D 3D [1] Campos,,, [1-3] 1,, 1.1, ; 15 [4] [5] [6], [8] ;,, 500 m [9],,, (mudline),, [8] [7] 21, :, ( ) ( ) ( 1) : (KZCX2-YW-229); (2009CB219406) : (1982 ),,,, swu@ms.qdio.ac.cn : ; : :(a) ;(b)

40 2010 1 (,,, [39] ; [28]; ( ) [10]) Fig.

2 (,,, [39] ; [28]; ( ) [10]) Fig.1 Thesea-floormapofnorthernSouthChinaSea ;(c) [15] ;(d) [11-13] ( );(e) (a) (b) (e), (c) (d) Posamentier(2003) 3D 40~500m, 25~30km,, [13] [15] [8],, Lowe(1982),,,, - [14], 2, [8] 2.1 [16],Mohrig (1998), ( 2),, Ya35-1-2

4, : 41 ( 1),, ( 3) 1000 ( 3),LW3-1-1 m ( 4b),,, 0.3m ( 4a) 2.3 2.

2 Theshelf-slopegeologicseismicprofileofQiongdongnanBasin(LocationseeA-A infig.

3 4, : 41 ( 1),, ( 3) 1000 ( 3),LW3-1-1 m ( 4b),,, 0.3m ( 4a) Shanmugam [18-19] ( ),, [11] [20], Shanmugam (, ), ;,,,, Shanmugam,,, 2 - ( 1 A-A ) Fig.2 Theshelf-slopegeologicseismicprofileofQiongdongnanBasin(LocationseeA-A infig.1) 3 ( 1 B-B ) Fig.3 Thegeologicseismicprofilefrom PearRiverMouthBasinshelftoSouthwest sub-basinofsouthchinasea(locationseeb-b infig.1)

42 2010 LW-1-1 2.5,, 4 3-1-1 (a b c ) Fig.4 ThecorepicturesofwelLW3-1-1 2.4, 2.7,,,, [29], ( 1), ( 1) 11-1 ( 1.

4 LW ,, (a b c ) Fig.4 ThecorepicturesofwelLW , 2.7,,,, [29], ( 1), ( 1) 11-1 ( 1.64 t [10] [13,28,30-32] 1), (2001) ( ), -,,, ( 2) 3-1-1, (2006) 180~420km, ( 2~8km,, [21-22] ) ( 1, 4c) [23-25] [26],, km 2, 7000km 2 ( 5), ( 6,7) 2.6,, [27] ( 1), m [28], ( 1),

5 4, : 43,, -, 2 1 (2007) ( 1),, 5.5 Ma,,,, ( 7), Yuan (2009) ( 1) (2009) 3, [18,33-36],, ( ),, ( 1,3) [21-22,37] 5 Fig.5 AplanemapofQiongdongnanBasinshowingthePliocenelargedeformedslidearea

5) [40] [34,38], [39], ( ) - [24], 7 (Ya35-1-2 [32]) Fig.

6 ( 5 A-A,B-B ) Fig.6 TheseismicprofileofPlioceneslideinQiongdongnanBasin(LocationsseeA-A andb-b infig.5) [40] [34,38], [39], ( ) - [24], 7 (Ya [32]) Fig.7 Thelithologyundermicroscopeforthesample, from mid-qiongdongnanchannel (WelYa35-1-2,fromlit[32]), 7 ( Campos 8), 4, km 2 ( ) m [28],, m,,,3,

4, : 45 8 Fig.8 ThesedimentsupplymodelmapofnorthernSouthChinaSea [1] 80% (References),( ), ingedge,2002,21:371-376., 822. ( ), MineralResources,2004,39:610-621.,, 5 [1] PetingilH Sand WeimerP.

7 4, : 45 8 Fig.8 ThesedimentsupplymodelmapofnorthernSouthChinaSea [1] 80% (References),( ), ingedge,2002,21: , 822. ( ), MineralResources,2004,39: ,, 5 [1] PetingilH Sand WeimerP.Worldwidedeepwaterexplora- tionandproduction:past,present,andfuture[j].thelead- [2] PauloJ.Reservoirgeophysicsindeepandultradeepwaterin thecamposbasin[j].theleadingedge,1999,18(7):819- tra-deepwaterzonesofcontinentalmargins[j].lithologyand [3] KhainV E,PolakovaID.Oilandgaspotentialofdeepandul- [4] MutiEand Normark W R.Anintegratedapproachtothe studyofturbiditesystems[m].inp.weimer,and M.H. Link,eds.,SeismicFaciesandSedimentaryProcessesofSub- marine Fansand TurbiditeSystems:New York,Springer- Verlag,1991: (1) 7 (2), (3) Geology,2000,17: ,, ditesystems:overview,fine-grainedturbiditesystems[m]. AAPG Memoir72/SEPM SpecialPublication,2000,68:1-8. [6] BoumaA H,Normark W R,andBarnesN E.COMFAN: [5] SteltingCE,BoumaA HandStoneCG.Fine-grainedturbi- Needsandinitialresults,SubmarineFansandRelatedTurbi- ditesystems[m]:new York,Springer-Verlag,1985:7-12. [7] Stow D A V,Mayal M.Deep-watersedimentarysystem: New modelsforthe21stcentury[j].marineandpetroleum [8] WeimerP,SlatR M.IntroductiontothePetroleum Geology ofdeepwatersetings[m].aapg Studiesin Geology57, AAPG/DatapagesDiscoverySeries8, [9] MiddletonG Vand Hampton M A.Sedimentgravityflows:

8 mechanicsofflowanddeposition[m].turbiditesand Deep- Water Sedimentation, Pacific Section SEPM publication, 1973:1-38. [10] SatlerU,ZampetiV,Schlager W,ImmenhauserA.Late leachingunderdeepburialconditions:acasestudyfromthe MioceneZhujiangCarbonateReservoir,SouthChinaSea[J]. MarineandPetroleum Geology.2004(21): plement1): [12] MulderT,MigeonS,SavoyeB,etal.Twentiethcentury floodsrecordedinthedeep Mediterraneansediments[J]. GeologicalSocietyAmerica,2001,113: gy,2009,27(2): [11] KnelerBandBuckeeC.Thestructureandfluidmechanicsof turbiditycurrents:areviewofsomerecentstudiesandtheir geologicalapplications[j].sedimentology,2000,47 (Sup- [13] YuanSQ,LvFL,WuSG,etal.Seismicstratigraphyof the Qiongdongnan deepseachannel,northwestern South ChinaSea[J].ChineseJournalofOceanologyandLimnolo- [14] LoweD R.Sedimentgravityflows I:Depositionalmodels withspecialreferencetothedepositsofhighdensityturbidity currents[j].journalsedimentarypetrology,1982,52: [15] PratsonLF,ImranJ,ParkerG,etal.Debrisflowsvs.tur- biditycurrents:amodelingcomparisonoftheirdynamicsand deposits,in A.H.Bouma,andC.G.Stone,eds.,Fine - grainedturbiditesystems[m].aapg Memoir72;SEPM SpecialPublication68,2000: letin,1998,110: [18] Shanmugam G.TheBoumaSequenceandtheturbiditemind set[j].earth-sciencereviews,1997,42: [19] SatlerU,ZampetiV,Schlager W,ImmenhauserA.Late leachingunderdeepburialconditions:acasestudyfromthe MioceneZhujiangCarbonateReservoir,SouthChinaSea[J]. MarineandPetroleum Geology.2004(21): [20] PostmaG,Nemec W and Kleinspehn K L.Largefloating clastsinturbidites:amechanismfortheiremplacement[j]. SedimentaryGeology,1988,58: [21],. [J]. LIJunliang,JIANG Tao,etal.Morphologicalfeaturesand D :,2007,37(6): [SHAOLei, LIXuejie,GENG,Jianhua,etal.Thedeepwaterbotom sedimentationefectofnorthernsouthchinasea[j].science inchinaseriesd,2007,37(6): ] [22] WangH R,YuanSQandGaoH F.Thecontouritesystem andtheframeworkofcontourcurrentcirculationinthesouth ChinaSea[J].Geo-Temas,2010,7: [23] Haflidason H,Sejrup H,Nygard A,etal.TheStoregga rinegeology,2004,213(1-4): [24],. [J].,2009,29(3):69-74.[WANG Dawei,WU Shiguo,DONG Dongdong,etal. SeismiccharactheristicsofQuaternarymasstransportdepos- itsinqiongdongnanbasin[j].marinegeology & Quaterna- rygeology,2009,29(3):69-74.] [25],. [J]. -,2009,34(3): [YAO Genshun,YUAN Shengqiang,MA Yubo,etal.Deepwater Mass Transport DepositionSystem ofhuaguang Depression,Qiongdongnan BasinanditsSignificancefor HydrocarbonExploration[J]. EarthScience-JournalofChinaUniversityofGeosciences,, 2009,34(3): ] [26] Brown H E,Holbrook W S,Hornbach M J,etal.Slide structureandroleofgashydrateatthenorthernboundaryof thestoreggaslide,ofshore Norway[J].MarineGeology, 2006,229: [27] Kola V.Areview ofsinuouschannelavulsionpaternsin somemajordeep-seafansandfactorscontrolingthem[j]. MarineandPetroleum Geology,2007,24: [28]. [M]. :,2007:8-52.[ZHU Weilin.TheGasGeologyof Northern MarginofSouthChinaSea[M].Beijing:Oilpress, gdongnanbasin,northernsouthchinasea[j].marineand Petroleum Geology,2009a,26: [30],. - [J].,2001,46(1): [LIN Changsong,LIUJingyan,CAIShixiang,etal. Thelargescaleincisionvaley,seafloorgravityflowsystem andit sdevelopsetinginyinggehaiandqiongdongnanbasin 2007:8-52.] [29] YuanSQ,WuSG,ThomasL,etal.Fine-grainedPleisto- cenedeepwaterturbiditechannelsystemontheslopeofqion- [J].ChineseScienceBuletin,2001,46(1):69-72.] [31],. [J].,2006,28(6): [TAO Weixiang,HEShibin,ZHAOZhigang,etal.Reservoirdis- tributionindeepwaterareaoftheqiongdongnanbain.petro- leum Geology & Experiment.2006,28(6): ] [32],. [J].,2009,29(4)85-93.[SU Ming, ternarygeology,2009,29(4):85-93.] [33] Brown H E,Holbrook W S,Hornbach M J,etal.Slide structureandroleofgashydrateatthenorthernboundaryof thestoreggaslide,ofshore Norway[J].MarineGeology, 2006,229: [34] BoumaA H,HolisterCD.Deepoceansedimentation,inG. [16] Posamentier H W.Depositionalelementsassociated witha basinfloorchannel-leveesystem:casestudyfromthegulfof Mexico[J].MarineandPetroleum Geology,2003,20:677- [17] MohrigD,WhippleK X,Hondzo M,etal.Hydroplaningof subaqueousdebrisflows[j].geologicalsocietyamericabul- Slide:architecture,geometryandslidedevelopment[J].Ma- formationmechanismofcentralcanyonintheqiongdongnan Basin,northernSouthChinaSea[J].MarineGeology & Qua- V.Middleton.andA.H.Bouma,eds,TurbiditesandDeep-

9 4, : 47 water Sedimentation [M ]. SEPM Pacific Section Short Course,1973: [35] Stow D A V,LovelJPB.Contourites:Theirrecognitionin modernandancientsediments[j].earth-science Reviews, 1979,14: [36] Stow D A V,HolbrookJA.NorthAtlanticcontourites:an overview,fine grained Sediments:Processes and Facies [M].The GeologicalSocietySpecialPublication15,1984: [37],. [40]. [J].,2007,17(9): [WANG Hairong,WANG Yingmin,QIU Yan,etal.Thedeepwater sedimentwavesinthenorthern margin ofnorthern South ChinaSea[J].Progressinnaturalscience,2007,17(9): ] Valey,California[J].AAPGBuletin,1969,53: [39],,. - [J].,2005,23(01):1-11. [38] ShepardFP,DilR Fand VonRad U.Physiographyand sedimentaryprocessesoflajolasubmarinefanand Fan- [PENG Dajun,PANG Xiong,CHEN Changmin,etal.From shalow-watershelftodeep-waterslope-thestudyondeep- waterfansystemsinsouthchinasea[j].actasedimentolog- icasinica,2005,23(01):1-11.] [J].,2005,16(6): [WU Shiguo,YUAN Shengqiang. Advance ofexploration and petroleumgeologicalfeaturesofdeepwaterhydrocarboninthe world[j].naturalgasgeoscience,2005,16(6): ]

10 DEEPWATERSEDIMENTTRANSPORTATION MODELSFOR NORTHERNSOUTHCHINASEASLOPES YUANShengqiang 1,WUShiguo 2,ZHAOZongju 1,XU Fangjian 3 (1StateKeyLaboratoryofEnhancedOilRecovery,ResearchInstituteofPetroleum ExplorationandDevelopment,Beijing100083,China; 2KeyLaboratoryofMarineGeologyandEnvironment,InstituteofOceanology,ChineseAcademyofSciences,Qingdao266071; 3FacultyofGeo-ResourcesandInformation,ChinaUniversityofPetroleum,Qingdao266555,China) Abstarct:Thereare7typesoftransportationinthenorthernSouthChinaSea,includingdebrisflow,tur- bidityflow,sandydebrisflow,carbonategravityflow,masstransport,river-influx,anddeepwaterchan- nels,alofthem playimporfantroleintheformationofsedimenttypesanddistributionofreervoirs. Sandydebrisflowdeposits,masstransportcomplexanddeepwaterchannelsandsarethemaintypesofres- ervoirs,andtheturbiditesandarelesscommoninthestudyarea.thedeepwaterreservoirinthepearl River MouthBasinwasinfluencedbyriversupplyreworkedbybotomcurrent,andcarbonategravityflow existed,whichprovedthestronghydraulicconditioninthisbasin;thedeepwaterreservoirdistributionin QiongdongnanBasinwascontroledbydebrisflowandinfluencedbydeepwaterchannels,theremayexist goodsortedcleansandbodyinthedeepwaterareaofqiongdongnanbasincomparedtotheshalow water area,whichcouldhavegoodexplorationprospective. Keywords:deepwaterarea;sedimenttransport;model;sedimentgravityflow;northernSouthChinaSea

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