摘要
CrudeoilsfromdifferentbasinsinChina,AustraliaandNewZealandwereanalyzedtocharacter-izearomatichydrocarbonsproducedindifferentenvironmentsbymeansofGC/MS.Thedistributionsofsomecommoncompoundssuchasnaphthalene,phenanthrene,chrysene,pyrene,fluoranthene,fluorine,dibenzothiopheneanddibenzofuranwerefoundtoberelatedtosedimentaryenvironments.Especiallytherelativecontentsoffluorenes,dibenzofuransanddibenzothiophenescanbeusedtodi-videtheoilsintothreetypes(1)salineormarinecarbonateenvironment;(2)fresh-brackishwaterlake;(3)swampandcoal-bearingsequence.Aromaticbiomarkers(e.g.retene,nor-abietene,derivativesoflupeolandβ-amyrin)representhigherplantinpultswithrespecttotheprecursorsofcrudeoils.Highcontentsofsulphur-containingcompoundslikebenzothiopheneanddibenzothiopheneseriesindicateareducingsulphur-abundantdiageneticcondition.Thebenzohopaneseries(C32-C35)wasidentifiedbothinhypersalineandcoal-bearingbasins,anditispostulatedtobetheresultofstrongbacteriaactivity.Inallthesam-ples,acompleteseriesofalkylbenzeneswasanalyzed.Thesimilarityofitscarbon-numberdistrbu-tionwiththatofn-alkanesprobablysuggeststheirgeneticrelationship.Thedistributionofthemethylphenanthreneseriesreflectstheevolutiondegreeofcrudeoils,MPIholdingapositivecorrelationwithC29-sterane20S/(20S+20R).
出版日期
1994年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）
