1、碩士學(xué)位論文論文題目重壺墮堅莖塾生塑室蟲墨箜墾!：Q!作者姓名學(xué)科專業(yè)導(dǎo)師姓名完成時間同位素地球化學(xué)二0o七年十二月毪絳汐@AbstractABSTRACTThetermLargeIgneousProvinces(LIPs)andthemantleplumehypothesisplayanimportantroleinexploringtheoriginofmassiveintraplatemagmatismHowever，theman

2、tleplumehypothesishasreceivedgreatchallengesinrecentyears，andthe“MantlePlumeDebate’’iscurrentlyratherheatedWebrieflydescribedtheconcept，character，distributionintimeandspace，genesismodelandresearchsignificanceofLIPandthem

3、antlehypothesisand‘‘MantlePlumeDebate”，aswellastheapplicationofthebothofHfWandPtRe—OsisotopesystemsindetectingthecontributionfromtheoutercoreinplumederivedlavasofLIPinthefirstchapterofthisthesisTheEmeishanbasalts，located

4、inSichuan，Yunnan，andGuizhouprovincesofSWChinaisanuniquecaseoflargeigneousprovinceinChinawhichisacknowledgedbytheinternationalgeologicalcommunityThegeology，petrologygeochemistryandresearchhistoryofELIPareshortlydescribedi

5、nthesecondchapterWefocusedontheRe—OsgeochemistryofpicritesandassociatebasaltsfromLijiang，ELIPinthethirdchapterOsandReabundancesandOsisotoperatiosof18samplesfromtheareaarereported，andtheirimplicationsontheoriginofELIPared

6、iscussedinthatchapterWebrieflydescribedanalyticalproceduresforRe—Osisotopesystemusedinourlaboratory，andoriginaldataofReandOsconcentrationsandOsisotopiccompositionsarecriticallyevaluatedinthefourthchapterBasedontheclassic

7、aldefinitionofLIPs，theyareformedviathethermalmantleplumes，Accordingtotheclassicalplumemodel，theplumesareoriginatedfromtheD”layeraroundcore—mantleboundary(CMB)withintheearthThehugepotentialheatfromthecoreprovidethemantlem