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1、第12卷第3期地学前缘(中国地质大学(北京);北京大学)Vol.12No.32005年9月EarthScienceFrontiers(ChinaUniversityofGeosciences,Beijing;PekingUniversity)Sep.2005中国海相烃源岩发育控制因素11231114张水昌,张宝民,边立曾,金之钧,王大锐,张兴阳,高志勇,陈践发1.中国石油勘探开发研究院,北京1000832.南京大学地球科学系,江苏南京2100933.中国石化石油勘探开发研究院,北京1000834.中国石油大学(北京)资源与环境学院,北京10220011231ZHANGShui2chang,ZH
2、ANGBao2min,BIANLi2zeng,JINZhi2jun,WANGDa2rui,114ZHANGXing2yang,GAOZhi2yong,CHENJian2fa11ResearchInstituteofPetroleumExplorationandDevelopment,PetroChina,Beijing100083,China21DepartmentofEarthSciences,NanjingUniversity,Nanjing210093,China31Exploration&ProductionResearchInstitute,SINOPEC,Beijing100083
3、,China41SchoolofResources&Environment,ChinaUniversityofPetroleum,Beijing102200,ChinaZHANGShui2chang,ZHANGBao2min,BIANLi2zeng,etal1DevelopmentconstraintsofmarinesourcerocksinChina1EarthScienceFrontiers,2005,12(3):0392048Abstract:Theformationofsourcerocksislargelydependentonthenatureoforganismsfromwhi
4、chkerogenisderivedandthepreservationconditionsoforganicmatter,whicharefundamentallydependentonafavourablecombinationofvariouselementsinwhichorganismsliveandaresubsequentlyburied1Theseelementsincludeclimate,oceaniccurrents,structureandenvironmentalconditions1Theformationofmarineorganic2richsourcerock
5、siscloselyrelatedtotheoxygencontentintheatmosphere,xerothermicclimate,andtherapidriseofsealevelcausedbyarapidincreaseoftemperaturesandmeltingofglaciers,betweenaglacialageandapostglacialage1Theformationandevolutionofoceaniccurrentsareconsideredasanotherimportantfactorthatcontrolstheformationofmarineo
6、rganic2richsourcerocks1Theupwellingofwatersrichingreen2sulfurbacteriaandel2ements,suchasphosphorus,siliconandferrouscompounds,cangreatlyacceleratetheproductivityandburialrateoforganicmatter1AdistributionmodeloftheCambrianupwellinginSouthChinaandTarimBasinandadistributionmodelofanticycloneoceaniccurr
7、entsduringtheformationofthelime2mudmoundsourcerockonthemesa2marginalslopeoftheUpperOrdovicianLianglitageFormationinTarimBasinareproposed1Thesestudiesshowthathigh2qualitysourcerockscandeveloponlyinrift
