Sulphur and Lead Isotope Compositions of the Dajiangping Deposit in Western Guangdong Province-中国期刊网

摘要 TheDajiangpingpyritedepositlocatedinthemiddlesectoroftheYunkaiupliftinwesternGuangdongisastratiformsulphidedepositoccurringinSinianmarineclasticandfineclasticrocks.Theformationofthedepositwasrelatedtosubmarineexhalationandhotbrinedeposition.Apartofitwasreformedbylate-stagehydrothermalsolution.Theδ34Svaluesofpyritevaryfrom-25.55‰to+21.07‰,whichareinverselyproportionaltothecontentoforganiccarboninoreandpyrite.Passingfromstripedfine-grainedpyriteoretomassivecoarse-grainedpyriteore,i.e.fromsouthtonorth,thesulphurisotopiccompositionchangesfromthelightsulphur-enrichedonetotheheavysulphur-enrichedone.Theleadisotopiccompositionofstripedoreisconsistentwiththatofthecountryrocksoforebodiesandtheleadisradiogenicleadderivedfromtheuppercrust.Theleadisotopiccompositionofmassiveoreisrelativelyhomogeneousandits206Pb/204Pb,207Pb/204Pband208Pb/204Pbratiosareabitlo

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Sulphur and Lead Isotope Compositions of the Dajiangping Deposit in Western Guangdong Province

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Sulphur and Lead Isotope Compositions of the Dajiangping Deposit in Western Guangdong Province

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