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  • 简介:Explorationforburiedgoldoresandotherdee-plyburiedores,especiallyinhighaltitudelocalities,isoneofthetoughchallengesfacingthegeologicalworldtoday.Fastandefficientoreprospectingmethodsarebadlynee-dedtodealwiththesituation.Thispaperdocumentsatestthat,forthefirsttime,usesanelectrogeochemicalapproachtoprospectoresinthealpinemeadow-coveredBangz-huomaareaanditsperipheryinQinghai-TibetPlateau.Theresultswerecomparedwithconventionalsoilmea-surementsfroma2Dprospection,andanidealmodelofelectrogeochemicalanomalyformationintheareawasestablishedbasedonthecomparisoninordertoprovidetheoreticalguidancetoburiedoreprospectinginareaswithsimilarconditions.Theresearchshowsthat:(1)Forexplorationofdeeply-buriedmineraldeposits,anelectro-geochemicalapproachisbetterthansoilmeasurementsintermsofcorrespondencebetweenelementcontentvaluesandanomalyformsandspatialdistributionofknowndepositsinsections.Anomaliesofhightolowtemperatureelementassociations(Bi-Mo;Au-Ag-As-BiandAu-Ag)andclearzonationwerealsoobservedalongverticalveinrunsinthesections.Basedonintegrationoftheobservationwithgeologicalcharacteristicsofthesections,weproposetouseAu,AgandAsastheelectrogeochemicalindicatorsandBiandMoastheelectrogeochemicaltracingelementstoguidefurtheranalysis.(2)Judgingfromelementstatis-ticsandthescale,intensity,andrangeofanomaliesinplanmaps,wefoundthatanelectrogeochemicalapproachislessaffectedbytopographyandsecondaryactions.TheplanmapsalsoshowthatelementaldifferentiationcoefficientsofthestudyareaareinanascendingorderofAg(0.67)〈Mo(0.85)〈Bi(0.97)〈Au(1.51)〈As(2.35),betterrepresentingtheelementdistributionintheareaandyieldingmorestrikingandconcentratedanomaliesforknowndepositsthanthatofthesoilmeasurements.Apartfromthat,electrogeochemicalanomalieswereob

  • 标签: Electrogeochemistry BURIED mineral deposit Ideal anomaly