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桂北葡萄溪地区铅锌矿矿床地质特征及其成矿规律探讨.docx

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桂北葡萄溪地区铅锌矿矿床地质特征及其成矿规律探讨 Title:GeologicalCharacteristicsandMetallogenicRegularitiesoftheLead-ZincDepositsintheGrapeCreekAreaofGuibeixi Abstract: TheGrapeCreekareainGuibeixiisknownforitssignificantlead-zincdeposits,withnotablegeologicalcharacteristicsandmetallogenicregularities.Thispaperaimstodiscussthegeologicalcharacteristicsofthelead-zincmineraldepositsintheGrapeCreekarea,aswellasexplorethemetallogenicregularitiesofthesedeposits.Theanalysisisbasedonbothfieldobservationsandavailableliterature,providingvaluableinsightsintotheexplorationanddevelopmentoflead-zincmineralresourcesintheregion. 1.Introduction: Lead-zincdepositsplayacrucialroleinindustrialapplicationsandhaveattractedconsiderableattentionfromresearchersandminingcompaniesalike.TheGrapeCreekareainGuibeixipossessessubstantiallead-zincmineralresources,makingitanimportantstudyareaforunderstandingthegeologicalcharacteristicsandmetallogenicregularitiesofthesedeposits. 2.GeologicalCharacteristics: 2.1GeologicalSetting: TheGrapeCreekareaislocatedinthesouthwesternpartofGuibeixi,whichischaracterizedbyacomplexgeologicalstructurecomprisingsedimentaryrocks,volcanicrocks,andgraniteintrusions.Thelead-zincmineraldepositsprimarilyoccurwithinthePaleozoicsedimentaryformations,particularlyinlimestone,dolomite,andblackshaleformations. 2.2DepositTypes: Thelead-zincmineraldepositsintheGrapeCreekareacanbedividedintotwomaintypes:MississippiValleyType(MVT)andstratiformdeposits.MVTdepositsaregenerallyassociatedwithdolomiteandlimestoneformations,whilestratiformdepositsarecommonlyfoundwithinblackshaleformations. 2.3MineralogyandOreGenesis: ThemainoremineralsintheGrapeCreeklead-zincdepositsincludegalena,sphalerite,andpyrite,accompaniedbyminoramountsofchalcopyriteandpyrrhotite.Themineralizationispredominantlyattributedtohydrothermalfluidsthathavemigratedalongfracturesandfaults,resultinginthereplacementandmineralizationofthehostrocks. 3.MetallogenicRegularities: 3.1GeologicalControls: Theformationoflead-zincmineraldepositsintheGrapeCreekar