下?lián)P子區(qū)中古生代海相原型盆地特征及分析.pdf

1、同濟大學(xué)海洋與地球科學(xué)學(xué)院碩士學(xué)位論文下?lián)P子區(qū)中古生代海相原型盆地特征及分析姓名：印峰申請學(xué)位級別：碩士專業(yè)：礦產(chǎn)普查與勘探指導(dǎo)教師：祁景玉20090301AbstractABSTRACT’I。heevolutionsequencefeaturestransformationandresidualstratadistributionofthemarineprototypebasinsofMesozoicandPaleozoicinthe

2、LowerYangtzeareconstrainedbycombinedmethodsbasedonthe‘TSM”strategyofbasinprototypeanalysisonthebasintectonics，deformationandsedimentaryPreviousstudiesindicatethattheLowerYangtzehasevolvedfiompassivecontinentalmargininthe

3、LateSinian—MiddleOrdoviciantoforelandbasinintheLateOrdovicianEarlyCarboniferousandpassivecontinentalmarginintheMiddleCarboniferousearlierMiddleTriassicThebasinstructureandsedimentdistributionchangedfromsiliceousclasticse

4、dimentsequenceintheJingdezhenHuzhouareatocarbonateplatformandtheformationofsynchronousfaultsduringLateSinian—MiddleOrdovicianTheLateOrdovician—EarlyCarboniferousforelandbasinhasfourpartsofforelandfoldandthrustbelt，forede

5、epdepressionbelt，forebulgeupliftbelt，depressionbeltoutsidetheuplift，theUpperOrdovicianturbidformationinthewestpartofZhejiangprovinceandtheWutonggroupmolassedepositionoftheUpperDevonianThepassivecontinentalmarginintheMidd

6、leCarboniferous—earlierMiddleTriassichaswidelydistributedsiliceousclasticsedimentsequenceintheIIIandIVdistricts，mixedcarbonatedepositionandclasticsedimentintheI，IIIandIVdistricts，purelimestoneintheIIdistrict，andthedeltad

7、epositsoftheLongtangroupthroughoutJiangsu，ZhejiangandAnhuiprovincesAnalysisofthebasinsuperimposedreformationintheLowerYangtzeshowedthattheprototypebasinhadevolvedchronologicallyfromasecondforelandbasinduringlaterMiddleTr

8、iassic—MiddleJurassic，astrike—slipandpull—apartbasininLateJurassic—EarlyCretaceous，afault—depressioncompoundextensionalbasinduringLateCretaceous—OligocenetoaninversionbasineversinceLateOligoceneThemarineresidualstrataint