安徽銅陵冬瓜山銅金礦床黃鐵礦微量元素地球化學(xué)特征及其成因意義.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文安徽銅陵冬瓜山銅金礦床黃鐵礦微量元素地球化學(xué)特征及其成因意義姓名：梁建鋒申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：礦物學(xué)、巖石學(xué)、礦床學(xué)指導(dǎo)教師：徐曉春201204TraceelementgeochemistrycharacteristicofpyriteanditssignificancefbrdepositgenesisltSSlgnltlcance10rnep0Sltgenesls0mtheDongguashancoppel

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3、itcloselyrelatedtoyanshanperiodmagmatismwiththestmctureinintersectionofsubprimeanticlinenucleardepartmenttomT0n91ingShunandoublesynclineandBaocunHouShan—QingshanEWbasementtectomcsInconSiderationofitsuniquegeologicalchara

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8、tethesourceoforrf0HningnuidsandoregenesisAccordingtopetrographyobservations，DongguashanoredepositcouldbediVidedintocolloidalpyritea11dgranulafpyriteThecolloidalpyritehadlaminateda11dhull—likestmcture，somewerefo肌edinto6ne

9、—grainedtexturebythelatemet哪orphic—recrystallizationofOuartz—calciteveinsGranularpyriteoftencoexistedwithpyHhotite，showedaseuhedral—semieuhedral，medium—finegrainedtextureAnalysisresultsandmedatacast矗gureshowedmatc0110idf

10、ormpyriteandballbraincdpyritehaddifferenttraceelementscompositionfeatures，theformerispoorinCobutrichinNi，thelaterisoppositetotheformerInCo_Nicontentrelationshipchart，colloidfonnpyritemainlydiStributedinm靴aprovinceandhydr