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324200210()JOURNALOFJILINUNIVERSITY(EARTHSCIENCEEDITION)Vol.32No.4Oct.2002:16715888(2002)04033307,,,(,130026):,()()(),,(),,,:;;;;:P544.4:A:20011029:(QZ97204102):(1968),,,,11,,-,-,,(1):,;,;,,,,5000m,,,,2003000m,1Fig.1ClassificationoftectonicunitinChaidamubasin1.;2.;3.;A1.;A2.-;A3.;A4.;B1.;B2.;B3.;B4.;B5.-;C1.;C2.;C3.;C4.;C5.2,,:[1];[2];[3][4];[5],,,,:(1),,,,,,;(2)[6],,,;(3)[7],[8];(4)[9],,,;(5)(2.7/100m)[10],,,,,,(2),,(3),,Dickinson[11],[12],,,,3,,[13],[14],,-,,2(82-1182B)Fig.2Thetensionfaultdepres2sionwithNStrendinthenorthernChaidamuT6.;TJ1.;TR.;T5.(E1+2)(E13);J11.;J21.;E1+2.;E13.433()20023(HY99144)Fig.3TheseismicprofileofEboliangfaultwithnorth-northwesttrend(HY99144)T6.;TR.;T5.(E1+2)(E13);J1.;E1+2.;E13.,,,,(),(),,,47(4),,,,,T2jAB,,A,B,,,,A,,B,,,C,D,C,;D,,,2941204,,,,-,,,EF,5334,,,:4Fig.4TheinfillingfeatureofMesozoictectosequencesinNorthernChaidamu,,2941200,-,,,,,,,,,,TR,(4),,,,-,,,633()2002,,,--,()()(),(),,,5Fig.5EvolutionofMesozoicsedimentaryfaciesinNorthernChaidamubasin4,,-4.1,-(5A),,,,,1-,,,,,-,-,,12300m,4.2,,,(5B)(),,201,(10m)7334,,,:(),,;(),;(),,-,,,,,,,,,,,,,,,(5C)(),,(5D),,,--,,,,,[15],,,-,,,,,,,,,5(1),,(2)()()(),,,,(),,,(3),,-,,,,,,,,:[1].[J].,1993,14(1):113.[2],,.[J].,1996,17(4):81727.[3],,.[J].,1999,45(1):92104.[4].[J].,1993,20(5):1525.[5]XIAWenchen,ZHANGNing,YUANXiaoping,etal.CenozicQaidamubasin,China:Astrongtectonicinversed,extensionalriftedbasin[J].AAPGBulletin,2001,85(4):715736.[6].[D].:,2001.725.[7].[J].,1999,20(1):1522.[8]BEAUMONTC,QUINLANGM,HAMILTONJ.Orogenyandstratigraphy:numericalmodelsofthePaleo2zoicintheeasternInteriorofNorthAmerica[J].Tecton2ics,1988,7(3):389416.[9],,.[J].,2000,30(2):139144.[10],,.[J].,1997,24(5):2024.[11]DICKINSONWR.Basingeodynamics[J].BasinRe2search,1994(Suppl):11951196.[12].-[J].833()2002,1995,8:105123.[13]FLEMMINGSPB,JORDANTE.Stratigraphicmod2ellingofforelandbasin:interpretingthrustdeformationandlithosphererheology[J].Geology,1990,18:430434.[14]TANKANDAJ.Depositionalresponsetoforelandde2formationintheCarboniferousofEasternKentucky[J].AAPGBulletin,1986,70(7):853868.[15],,,.[J].,2000,24(3):218223.THEGENETICTYPEOFTHEMESOZOICBASININNORTHERNCHAIDAMUANDITSTECTONIC2SEDIMENTARYEVOLUTIONHEZhong2hua,LIUZhao2jun,GUOWei,DONGQing2shui(CollegeofEarthSciences,JilinUniversity,Changchun130026,China)Abstract:ChaidamubasinisabigMesoCenozoicoilbearingcontinentalbasininNWChina.Itssec2tiontexture,structuralstyle,sedimentaryfeature,basalsubsidenceandpaleogeothermicsshowthatthebasinisasuperimposedforelandbasinrelatedtoQilianorogenicbeltduringMeseozoicperiod,whichwasformedbyepisodicthrustingandevolvedfromearlyJurassicbrokenforelandtotheforeland2likebasinaftermiddleJuras2sic.Mesozoicsedimentaryinfillsconsistofthreecompletetectosequences,ie.,tectosequence(earlyJuras2sic),tectosequence(middleJurassic)andtectosequence(lateJurassic).Sedimentarycircleswiththefin2ing-upwardtrendindicateepisodicthrustingfromactivitytoquiescence.Withstrongandrapidthrusting,tectosequence(Cretaceous)onlyunderwentactiveperiodandisnotacompletetectosequence.Atthattime,thebasindevelopedoverfilledsedimentsandgraduallywithered.Keywords:genetictype;tectosequencethrusting;basinevolution;MesozoicforelandinNorthernChaidamu(332)THEMINERALOGICALEXPLORATIONTYPOMORPHISMINVEINNO.1OFSHANCHENGGOLDDEPOSIT,SHANDONGPROVINCEFANChun2guang1,HUDa2qian2,CHUXiang2tao3(1.PrognosticResearchInstituteofMineralResourcesofSyntheticInformation,JilinUniversity,Changchun130026,China;2.CollegeofEarthSciences,JilinUniversity,Changchun130026,China;3.GeologicalDataBureauofJilin,Changchun130026,China)Abstract:TheoreveinNo.1isoneofthemainlindustricalorebodiesinShanchenggolddeposit.Pyriteandquartzarethemaingold-bearingminerals,andtheirstypomorphicfeaturesaresystematicallydistribut2ed.Intheupperpartoforebody:theformofpyriteismostlycombinatedformcrystalswithoctahedronandcube,cube,octahedronandpyritohedron.Theelectricityphysicalpropertyofpyriteisvup|-17|and|-120|.ThedataofinfraredspectrumofquartzasD2,D3,D2/D1,D3/D1andD2+3/D1arerelativelylargerthanthelowerpartoforebody.Inthelowerpartoforebody:theformofpyriteismainlycubeformandcubeandoctahedroncombinatedform.Theelectricityphysicalpropertyofpyriteisvup|-17|and|-120|.D2,D3,D2/D1,D3/D1andD2+3/D1ofquartzaresmall.Basedonthedistributionalrulesofmineraltypomorphismandgoldcontentintheorebody,thepaperpredictsthedepthoforevein.Keywords:golddeposit;pyrite;quartz;explorationtypomorphism9334,,,: