柴達(dá)木盆地西部地區(qū)第三系沉積相研究.pdf

1、分類號(hào)UDC密級(jí)編號(hào)中國科學(xué)院研究生院博士學(xué)位論文礦776823曹國強(qiáng)指導(dǎo)教師夏越班究函生巨型堂瞳亡攪絲蔓他堂班窺壓差在送熬援蟲國絲廈盔堂(j邕塞2申請(qǐng)學(xué)位級(jí)別熳堂焦學(xué)科專業(yè)名稱絲蔓絲堂論文提交日期圣QQ壘生!!且!魚旦論文答辯日期堡壘Q量生!旦量旦培養(yǎng)單位生國攔堂瞳亡趟墊壁絲堂班宣壓學(xué)位授予單位主國科堂醫(yī)塹塞生暄SedimentaryFaciesoftheTertiaryinWestQaidamBasinbyCaoGuoqiangDi

2、rectedby：XiaBin(Boffin)AbstractIntegratinggeologyandgeophysics，theobservationanddescriptionofoutcropanddriUingcore，andthrou【ghtheanalysisofsinglefactorwithsynthesizefactordrawing，thearticlestudiessedimentaryfaciesanditss

3、pacedistributioninTertiaryinWestQaidamBasin，recoveritssedimentaryevolutionhistoryanddislributionThechangeofthehydrocarbonresourcecentreinmacroscopicaspects，atthesametime，themostprospectivesandstonebodieswereforecastFirst

4、lybasedontheobservationanddescriptioⅡofalargenumberofdrillingcoresinmacroscopicandmicrocosmicaspects，faciesmarksalesummarised，whichsuppliedfromthecharacteristicsoflithologydistributionofgrainsize，sedimentarystructure，ich

5、nologyandloggingfaciesSecondlythroughtheidentificationoffaciesmarksandtheanalysisofsedimentaryfaciescrosssections，alluvialfan，riverfandelta，delta，lake，sublacustrinefanandtempestitesedimentenvironmenthavebeendevelopedinWe

6、stChaidamBasinAlluvialfandevelopsinthefrontofAliunslopeFandeltadistributesinthewestofAltanslopeDeltadevelopsinYanjin，Dongchaishan，HuangshiandDafengshanareaRiverdistributeswidelyinGasikule，NiubiziliangareaIntheotherplace，

7、lakedevelopsThirdlybasedonthestudyofcrosssections，thearticlesetsupsedimentaryframeworkintheareabycorrelationsixsedimentaryfaciescrosssectionsAaccordingtotheprincipleofgraveldepthcontourdiagrams，sandstonedepthcontourdiagr

8、ams，percentageofgravelcontourdiagrams，percentageofsandstonecontourdiagramsandmethodofquantificationalsedimentaryfacies，Thedistributionandevolutionofsedimentaryfacieshavebeensummarizedandmeanwhilethepaleogeographybeenreco

9、veredforTertiaryformaOoninWestQaidamBasinLastlythearticleanalyzesthesituationofsedimentarycenteranditstransferringregularitybasedonmudstonecolorzoning’Scharacteristic，developingsituationofshallow—deeplakeanddeeplake，fore