toomey donald francis & al. (1970) upper devonian algae & foraminifera from the ancient wall carbone complex, jasper national park, alberta, canada [{can. j. earth sci.} 7, 946981]外语英文电子书

《toomey donald francis & al. (1970) upper devonian algae & foraminifera from the ancient wall carbone complex, jasper national park, alberta, canada [{can. j. earth sci.} 7, 946981]外语英文电子书》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、UpperDevonian(Frasnian)algaeandforaminiferafromtheAncientWallcarbonatecomplex,JasperNationalPark,Alberta,CanadaPanAmericanPetroleumCorporation,ResearchCenter,Tulsa,Oklahoma74102ANDMcGillUniversity,Montreal,QuebecANDInstituteofSedimentaryandPetroleumGeology,Calgary,Alb

2、ertaReceivedNovember20,1969AcceptedforpublicationFebruary11,1970MarinealgaeandforaminifersoccurintheAncientWallcarbonatecomplexofUpperDevonian(Frasnian)ageinJasperNationalPark,Alberta,Canada.ThismicrobiotaisthemostdiverseandabundantyetdescribedandillustratedfromNorthA

3、merica;itclosely,resemblesothermicrobiotasfromtheUpperDevonianofWesternAustraliaandtheVolga-UralsregionoftheSovietUnion.StrataoftheAncientWallcomplexcomprisetwoformationseachwithtwomembers.Theyare:theCairnFormationwithalowerFlumeMemberandanuppermemberandtheoverlyingSo

4、utheskFormationwithalowermemberandanupperSimlaMember.Abiotaof15generaand21speciesisrecordedfromtheserocks.Theformsgroupedunderthealgaeare:Vermiporellasp.,Girvanellasp.,Sphaerocodiumsp.,Renalcissp.cf.R.turbitusWray,R.sp.,radiosphaeridcalcispheres,andalgal?borings.Theca

5、lcareousforaminifersare:Parathuramminasp.cf.P.spinosaLipina,P.sp.,Bisphaerasp.,lagenid-likeform,Paratikhinellasp.cf.P.cannula(Bykova),P.sp.,Tikhinellasp.cf.T.measpisBykova,T.sp.,Evlania?sp.,Eonodosariasp.cf.E.evlanensisBykova,E.sp.,Multiseptidasp.cf.M.corallinaBykova,

6、M.sp.,andNanicellasp.Calcareousforaminifers,dominantlyparathuramminids,compriseabouttwo-thirdsofthetotalForpersonaluseonly.biota.Theremainingone-thirdconsistsofalgae,amongstwhichradiosphaeridcalcispheresarethemostabundant.Therelativelyprimitiveparathuramminidsaremoren

7、umerousintheCairnFormation,whereasmoreadvancedforaminiferssuchastikhinellids,eonodosarids,andmulti-septidsoccurmorefrequentlyintheoverlyingSoutheskFormation.Thereisalsoanappreciableincreaseinforaminifera]diversitybetweenthebasalFlumeMemberanduppermemberoftheCairnForma

8、tion.Radiosphaeridca~cis~heresandparathuramminidsaremosthumerousinskeletalwackestonesandtikhinellids,eonodosarids,andmultise