柴達(dá)木盆地西部阿爾金斜坡地區(qū)沉積地層與構(gòu)造研究.pdf

1、蘭州大學(xué)碩士學(xué)位論文柴達(dá)木盆地西部阿爾金斜坡地區(qū)沉積地層與構(gòu)造研究姓名：蔡鄭紅申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：構(gòu)造地質(zhì)學(xué)指導(dǎo)教師：王金榮20070501AbstractThewesternareaofQaidambasin(westernQaidarnbasin)isthemainoil—enrichedregioninQaidambasinconfinedbytheAltynandKunlunMountainorogenicbelts，who

2、setectonicsdevelopmentandevolvementbasinsareinfluencedbytheAltynstrikeslipfaultinthenorthandtheNorthernKunlunMarginFaultinthesouth，itstectonicsanddeformationsisquitecomplicated球stratigraphicsequenceandthetectonics’framew

3、orkofthisareaarecontroversialforalongtime，whichhamperedtheprospectingandexploitationofoilgasresourceseverelyInthispapertheauthorregardstheAltynorogenicboltandQaidamBasinasauniformstudyobjectBasedonthetheoriesoftectonicsg

4、eologysedimentology，thestratigraphyofstratumsequence，etc，andsynthesizedGeology，Seism，well—loggingmethodsandsoontheauthoranalysisandstudythestratumandtectonics’characteristicsofwesternOaidambasinindetail(1)Takingwholebasi

5、nstandardstratumdescriptionasfoundationanalyzesQigequanandGanchaigousections’characterisficsofthisareadeterminedthestratum’timeanewAccordingtothedivisionprincipleofdepositionstructuresequencedividesthisareainto2firstgrad

6、estratumsequences12secondgradestratumsequences56thirdgradestratumsequences(2)Throughseismsectionplane。slink—pieceexplanation，divisionprincipleofsecondgradetectonicunitisdecidedthenfromthesouthwesttonortheastthisareaisdiv

7、idedinto4secondgradetectonicunits：thrustfoldboltofQigequanHongliuquan；SliantingslipthrustorganicbeltofNorthAhatiOanchaigou；thrustbeltboforetheextrusivewedgeofXianshuiquanHonggouzi；thmstoverlapboltofYueyashan(3)Aeeordingt

8、otheanalysisontectonicskincmmics，combinedwithplatetectonicstheoryandbasinmountaincouplingtheory，analyzesthepropertiesofbasinboundariessystemly：thrustbasinboundaryintheNorthofAhatiOanchaigoua1“eaandinthesouthofQuanyagouar

9、eawhichiscontroledbytheeomprcssslantingsliptectonicsfromEocene；overlapcompressthrustbasinboundaryintheHongliuquanQigequanandHonggouzi—YueyashanwhichiscontroledbythecompressthrustfunctionofAltynfromPaleocene(4)Usingthe”P(pán)r

10、oduce，StoreCoverEncloseTransportConservation”threorytoestimateoilgasresourceconcludedthattherehastwokindsofoilgasstoringboundarybystrikeslipthrustorogenicbeltofnorthAhati—Ganchmgouasboundary，therearetwosetsofoil—gasstori

11、ngoneisdeepandtheotherisshallow：thedeeponeisoriginal(EN1)，theshallowoneishypoproduced(N2)TheresultsindicatethatwesternQaidambasinhasagreatprospectingpotentialAndthen，reasonableexplainingthestratumandtectonics’characteris